Densities of Aromatic Hydrocarbons

Landolt-Börnstein Numerical Data and Functional Relationships in Science and Technology New Series / Editor in Chief: W...

Author: K.R. Hall | K.R. Hall | K.N. Marsh | R.C. Wilhoit | X. Hong | M. Frenkel

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Landolt-Börnstein Numerical Data and Functional Relationships in Science and Technology New Series / Editor in Chief: W. Martienssen

Group IV: Physical Chemistry Volume 8

Thermodynamic Properties of Organic Compounds and their Mixtures Subvolume E Densities of Aromatic Hydrocarbons

R.C. Wilhoit, X. Hong, M. Frenkel, K.R. Hall

Edited by K.R. Hall and K.N. Marsh

12 3

Editors K.R. Hall Thermodynamics Research Center TheTexas A&M University System College Station, Texas 77843-3111, USA

K.N. Marsh former Thermodynamics Research Center TheTexas A&M University System College Station, Texas 77843-3111, USA now University of Christchurch New Zealand

Authors R.C. Wilhoit X. Hong M. Frenkel K.R. Hall Thermodynamics Research Center TheTexas A&M University System College Station, Texas 77843-3111, USA

Preface

Critically evaluated experimental data covering the densities of organic compounds is essential for both scientific and industrial applications. Knowledge of densities is important in many areas, including custody transfer of materials, product specification, development of various predictive methods, and for characterizing compounds and estimating their purity. Various compilations of densities for organic compounds have been published. The early LandoltBörnstein compilation [23-ano] contained recommended values at specific temperatures. International Critical Tables [28-ano-1] provided recommended densities at 0 °C and values of constants for either a second or third order polynomial equation to represent densities as a function of temperature. This compilation also gave the range of validity of the equation and the limits of uncertainty, references used in the evaluation and those not considered. This compilation is one of the most comprehensive ever published. Timmermans [50-tim, 65-tim], Dreisbach [55-dre, 59-dre, 61-dre] and Landolt-Börnstein [71-ano] published additional compilations, primarily of experimental data. These compilations contained experimental data along with reference sources but no estimates of uncertainty for the data nor recommended values. The Thermodynamics Research Center has published recommended values for the densities of organic compounds since 1942 in its two loose leaf publications: TRC Thermodynamic Tables - Hydrocarbons and Non-Hydrocarbons. These compilations are updated with four supplements per year. References to the literature values used in the selection and those not used in the selection appear in the references for each table. The accuracy of the values ia apparent from the number of significant figures provided. More recently, the Design Institute of Physical Property Data, Project 801 has assembled a set of recommended equations for the densities of over 1500 compounds [89-dau/dan, 91-dau/dan, 92-dau/dan, 93-dau/dan, 94-dau/dan, 95-dau/dan, 96-dau/dan, 97-dau/dan]. Densities are represented by an equation fit to selected values from the freezing temperature to the critical temperature. References to sources of data used in the evaluation and those not used are given along with a quality assessment. In many cases, the equation does not fit density values at intermediate temperatures, especially at 293.15 K and 298.15 K, within the experimental uncertainty. Thus, the equation is not useful for purity comparisons, custody transfer, or product specification when the highest accuracy is required. Smith and Srivastava [86-smi/sri, 86-smi/sri1] recently have published a compilation (in two volumes) which contains recommended values in tabular form as well as equations with statistical information regarding the fit. However, this compilation contains no indication of data quality or uncertainties. The present volume contains densities for monocyclic aromatic hydrocarbons including alkylbenzenes, alkenylbenzenes, alkynylbenzenes, alkadienylbenzenes, dialkenylbenzenes, alkatrienylbenzenes, alkatetraenylbenzenes, and other related compounds which have been collected from the literature published from 1870 to early 1997. The various compilations listed above also have been consulted for sources of original data. This volume continues our effort in evaluation of the densities of organic compounds [see volume IV/8B (96-wil/mar) for the densities of alkanes, volume IV/8C (96-wil/mar-1) for the densities of alkenes, alkynes and alkadienes, and volume IV/8D (97-wil/hon) for the densities of monocyclic non-aromatic hydrocarbons]. All experimental density values have been evaluated critically and assigned numerical uncertainties individually. These assessments have been used to derive an equation to fit the data and to obtain recommended values with uncertainties. Detailed evaluation procedures appear in Chapter 1. Algorithms for the automatic selection of data used in the fit and for the selection of the type of equation and order of polynomial have been developed. The algorithms depend upon the assigned uncertainties, the distribution of density values over the experimental temperature range, and the magnitude and distribution of differences between observed and smoothed values. These algorithms can fit any kind of data to a function of independent variables. We have collected data for 674 compounds, consisting of data sets drawn from 1137 sources.

The volume contains six chapters; a list of references, and two indexes (Chemical Abstracts Service Registry Number Index and Chemical Name Index). Chapter 1 contains: a short introduction; a description of the tables; a detailed description of the methods used in the evaluation, selection and smoothing process; a glossary of symbols and a description of the nomenclature used. Chapter 2 covers the alkylbenzenes, Chapter 3 contains the alkenylbenzenes, Chapter 4 has the alkynylbenzenes, alkadienylbenzenes, and dialkenylbenznes, Chapter 5 provides the unsaturated alkylbenzenes of general formula CnH2n-12, and Chapter 6 presents the unsaturated alkylbenzenes of general formula CnH2n-14. The tables contain the original literature data along with their estimated uncertainties and the evaluated data in both numerical form and as coefficients to equations with selected statistical information. When data cover a sufficient temperature range, graphical plots of the deviations of the experimental data from the recommended equation are given. The chemical name index contains the IUPAC names for the compounds, as well as alternate names that often appear in practice. This volume should be useful to a wide community of researchers, data specialists, and engineers working in the field of physical and organic chemistry, chemical engineering, material science, environmental chemistry, chemical aspects of energy technology, and those engaged in the development of new predictive procedures. The book should also be of use to students and faculty in Chemistry and Chemical Engineering departments at universities as a reference book of evaluated thermophysical properties.

College Station, April 1998

The Editors

Acknowledgments The authors wish to express their sincere appreciation to staff members of the Thermodynamics Research Center (TRC), part of the Chemical Engineering Division of the Texas Engineering Experiment Station in The Texas A&M University System. Our special thanks to Manuf Chasmawala, Cheryl Clark, Yong Lee, Brad Chin, and James Requenez for their assistance in data collection and entry, formatting the text, preparing the graphs, and composing the camera-ready copy of the manuscript.

College Station, April 1998

R. C. Wilhoit, X. Hong, M. Frenkel, K. R. Hall

References 23-ano

Landolt-Börnstein Physikalisch-Chemische Tabellen, Hauptwerk, Vol. 1, Roth, W.A., Scheel, K. (eds.), Springer-Verlag: Berlin (1923).

28-ano-1

International Critical Tables of Numerical Data, Physics, Chemistry and Technology Vol. III, Washburn, E. W. (ed.), McGraw-Hill: New York (1928).

50-tim

Timmermans, J.; Physico-Chemical Constants of Pure Organic Compounds, Vol. 1, Elsevier: New York (1950).

55-dre

Dreisbach, R. R.; Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 15, Am. Chem. Soc.: Washington, D. C. (1955).

59-dre

Dreisbach, R. R.; Physical Properties of Chemical Compounds - II, Advances in Chemistry Series No. 22, Am. Chem. Soc.: Washington, D. C. (1959).

61-dre

Dreisbach, R. R.; Physical Properties of Chemical Compounds, Advances in Chemistry Series No. 29, Am. Chem. Soc.: Washington, D.C. (1961).

65-tim

Timmermans, J.; Physico-Chemical Constants of Pure Organic Compounds, Vol. II, Elsevier: New York (1965).

71-ano

Landolt-Börnstein Sechste Auflage, II Band, Eigenschaften der Materie in ihren Aggregatzuständen, 1 Teil, Mechanisch-thermische Zustandsgrössen. SpringerVerlag: Berlin (1971).

86-smi/sri

Smith, B. D.; Srivastava, R.; Thermodynamic Data for Pure Compounds, Part B. Halogenated Hydrocarbons and Alcohols, Elsevier: New York (1986).

86-smi/sri-1

Smith, B. D.; Srivastava, R.; Thermodynamic Data for Pure Compounds, Part A. Hydrocarbons and Ketones, Elsevier: New York (1986).

89-dau/dan

Daubert, T. E.; Danner, R. P.; Physical and Thermodynamic Properties of Pure Chemicals: Data Compilation. Taylor & Francis: London (1989).

91-dau/dan

Daubert, T. E.; Danner, R. P.; Physical and Thermodynamic Properties of Pure Chemicals: Data Compilation, Supplement 1. Taylor & Francis: London(1991).

92-dau/dan

Daubert, T. E.; Danner, R. P.; Physical and Thermodynamic Properties of Pure Chemicals: Data Compilation, Supplement 2. Taylor & Francis: London (1992).

93-dau/dan


94-dau/dan


95-dau/dan


96-dau/dan


96-wil/mar

Wilhoit, R. C.; Marsh, K. N.; Hong, X.; Gadalla, N.; Frenkel, M.: Densities of Aliphatic Hydrocarbons: Alkanes. Landolt-Börnstein, New Series, Vol. IV/8B, Springer-Verlag: Berlin (1996).

96-wil/mar-1

Wilhoit, R. C.; Marsh, K. N.; Hong, X.; Gadalla, N.; Frenkel, M.: Densities of Aliphatic Hydrocarbons: Alkenes, Alkadienes, Alkynes and Miscellaneous Compounds. Landolt-Börnstein, New Series, Vol. IV/8C, Springer-Verlag: Berlin (1996).

97-dau/dan


97-wil/hon

Wilhoit, R. C.; Hong, X.; Frenkel, M.; Hall, K. R.: Densities of Monocyclic Hydrocarbons. Landolt-Börnstein, New Series, Vol. IV/8D, Springer-Verlag: Berlin (1997).

1.1 Basic Concepts

1

1 Introduction 1.1 Basic Concepts The mass density of a substance is an intensive quantity defined by:

ρ = m/v

(1.1)

where m is the mass and v is the volume of the sample. Both these quantities are extensive quantities. Other densities often referred to in the literature are the relative density and the molar density. Relative density, also called specific gravity, is:

ρr = ρ / ρ0

(1.2)

where ρ0 is the density of a standard substance. It is necessary to specify the conditions of temperature and pressure for the standard substance. The most common reference material is water often at the temperature of its maximum density, 4 °C, at atmospheric pressure. The molar density is defined as

ρ m = 1/V

(1.3)

where V is the volume occupied by one mole of the substance. The only densities reported in this volume are the mass densities; relative and molar densities have been converted to mass densities, and all densities have been reported in SI units. If the mass, m, in equation (1.1) has not been corrected for air bouancy it gives the apparent density in air. The API specific gravity is: ρ (API) = 141.5/ρr – 131.5, in which ρr is ρ(288.68 K)/ρο(288.68 K), and the standard substance is water at 288.68 K (60 °F). The density of a material is a function of temperature and pressure but its value at some standard condition (for example, 293.15 K or 298.15 K at either atmospheric pressure or at the vapor pressure of the compound) often is used to characterize a compound and to ascertain its purity. Accurate density measurements as a function of temperature are important for custody transfer of materials when the volume of the material transferred at a specific temperature is known but contracts specify the mass of material transferred. Engineering applications utilize the density of a substance widely, frequently for the efficient design and safe operation of chemical plants and equipment. The density and the vapor pressure are the most often-quoted properties of a substance, and the properties most often required for prediction of other properties of the substance. In this volume, we do not report the density of gases, but rather the densities of solids as a function of temperature at atmospheric pressure and the densities of liquids either at atmospheric pressure or along the saturation line up to the critical temperature. The purpose of this compilation is to tabulate the densities of compounds, hence only minimal description of experimental methods used to measure the density of liquids or solids appears. Detailed descriptions of methods for density determination of solids, liquids and gases, along with appropriate density reference standards, appear in a chapter by Davis and Koch in Physical Methods of Chemistry, Volume VI, Determination of Thermodynamic Properties [86-ros/bae]. The two principal experimental apparatuses used to determine the density of a liquid are: the pycnometer and the vibrating tube densimeter. The pycnometer method involves measuring the mass of a liquid in a vessel of known volume. The volume of the pycnometer, either at the temperature of measurement or at some reference temperature, is determined using a density standard, usually water or mercury. Using considerable care and a precision analytical balance accurate to ±10-5 g, it is possible to achieve densities accurate to a few parts in 106 with a pycnometer having a volume of 25 cm3 to 50 cm3.

Landolt-Börnstein New Series IV/8E

2

1.1 Basic Concepts - 1.2 Scope of the Compilation

It is common to achieve accuracies of 1 part in 105 in using equation (1.1) with pycnometers as small as 5 cm3 and routine measurements can achieve 1 part in 104. However the main sources of error in assigning density to a particular compound in a particular state arise from factors other than the measurment of mass and volume. See Section 1.4.1 The vibrating tube densimeter relies upon the fact that the frequency f of vibration for a U or V shaped tube depends upon the mass of material in the tube:

ρ = A/ f 2 + B

(1.4)

Calibration of the apparatus is necessary; usually water and air or nitrogen are the reference materials. Vibrating tube densimeters designed to operate close to atmospheric pressure can achieve repeatability of parts in 106. If the reciprocal of the frequency is linear in density, accuracies of 1 part in 105 are readily achievable. The principal experimental method used to measure the density of a solid is determination of the mass of liquid displaced by a known mass of solid. It is essential that the solid have no appreciable solubility in the liquid, that all occluded air be removed from the solid and that the density of the displacement fluid be less than that of the solid lest the solid float. Densities of crystalline solids also can be determined from the dimensions of the unit cell. Davis and Koch discuss other methods for measuring the density of liquids and solids such as: hydrostatic weighing of a buoy and flotation methods.

1.2 Scope of the Compilation Volume IV/8E presents observed values for the densities of hydrocarbons containing one benzene ring, many of which are important industrial compounds. These values represent a compilation and evaluation of data from the scientific literature covering approximately the past 100 years. The values presented come from the TRC Source Database. The Thermodynamics Research Center has assembled these data over a period of years and has used them to provide the evaluated density values listed in the TRC Thermodynamic Tables - Hydrocarbons. An additional literature search has been performed immediately before producing this compilation to locate new or missing data and to bring the collection up-to-date. This compilation should include at least 90% of the pertinent data reported in the literature. The usual experimental conditions are in contact with air at one atmosphere below the normal boiling point of the hydrocarbon, and in equilibrium with the vapor phase above the normal boiling point. In the summary tables, temperatures reported on the Kelvin scale have been obtained by adding 273.15 to temperatures originally given on the Celsius scale. Densities have units of kilograms per cubic meter (kg⋅m-3). Values reported in units of grams per milliliter, where the liter is “the volume of one kilogram of water at its temperature of maximum density” convert to kg⋅m-3 when multiplied by 999.972 (as defined by the 12th General Conference of the International Committee on Weights and Measure, 1964). Values of specific gravity relative to water at a stated reference temperature become density upon multiplication by the accepted density of water at the reference temperature. Most reported densities for liquids below the boiling point apply to the airsaturated liquid. Compounds are identified by an IUPAC approved name [93-ano-1], the empirical molecular formula, and the Chemical Abstracts Service Registry Number. A summary table is available for each compound which includes the reported temperature and density values, an assigned uncertainty for the density, the difference between the observed and smoothed density values and an index key to the source of the data. A complete list of references, identified by the index keys, appears at the end of the volume. Where appropriate, tables of smoothed, recommended values are given at integral multiples of 10 K over the experimental range of temperatures. Values at 293.15 K and 298.15 K are included when they are in the range of the original data set. The recommended values also have assigned uncertainties.


1.3 Description of Tables - 1.4 Evaluation, Selection, and Smoothing of Data

3

1.3 Description of Data Tables Data for a particular compound are selected, evaluated and smoothed in one of four ways, depending upon the number and accuracy of the reported values and upon their distribution over the temperature range. Case 1. When the data set consists of at least four acceptable, effectively distinct values (see section 1.5.3), the densities in selected subsets are fit to a function of temperature using the least squares criterion. A summary table for the selected set gives the densities, their estimated uncertainties, the deviations between observed and calculated values, an index key to the list of references and a plotting symbol. If sufficient space remains, some data outside the selected set also are included in the summary table along with reference keys to any remaining data. A plot of the deviations between observed and calculated values is shown for the selected subset. Error bars indicate the size of the estimated uncertainties for the data. Distinct plotting symbols identify the five data sources that have the smallest average estimated uncertainties. A single symbol represents all remaining data in the selected set. A table consisting of smoothed, recommended values (calculated from the fitted functions) is also given. Estimated uncertainties are given for the recommended values which also appear as a continuous line on the deviation plot. Densities of crystal phases are in a separate section of the table. In most cases, these densities have not been fit as a function of temperature. Values of parameters, statistical measures of the fit, and references to sources of critical constants appear at the beginning of these sections. Case 2. For data sets that do not meet the criteria of Case 1, but contain acceptable values over a temperature range of at least two degrees, the results are smoothed using a linear function of temperature with an estimated coefficient of thermal expansion. A table of smoothed recommended values is presented. Case 3. For data sets that do not meet the criteria of either Case 1 or 2 but contain two or more values at a single temperature, a recommended value is given for this temperature by taking a weighted average of the observed values. Case 4. For data sets that contain only single values at one or two temperatures, the reported values are given rather than recommended values.

1.4 Evaluation, Selection and Smoothing of Data 1.4.1 Assignment of Uncertainties The Thermodynamics Research Center staff have assigned an uncertainty value to each observed and recommended density value listed in the tables. The true value of the property has a 95% probability of being in the range covered by + or - the uncertainty about the reported value. Assignment of uncertainty is a subjective evaluation based upon what is known about the measurement when the value is entered into the database, and includes the effects of all sources of experimental error. The errors have been propagated to the listed density at the reported temperature. Uncertainties reported by the investigators are considered but not necessarily adopted. Often, investigators report repeatability, but they usually do not provide uncertainty. Errors in density result from errors in temperature measurement or control; calibration of instruments; transfer, handling and weighing of samples; and impurities in the samples. At temperatures well below the critical temperature and near room temperature, standard techniques easily achieve accuracies of ±0.05%. For the compounds in this compilation, that level corresponds to about ±0.4 kg⋅m-3. Under these conditions, errors in temperature are not very significant. This level of accuracy only requires


4

1.4 Evaluation, Selection, and Smoothing of Data

temperatures to be known within ± 0.5 K. At temperatures approaching the critical temperature, measurements become more demanding because of the rapid increase in the magnitude of the coefficient of thermal expansion. Greater accuracy, in general, requires careful attention to calibration, mass determination and sample handling techniques. It is assumed that values obtained by pycnometers have been corrected for buoyancy of air, unless the author specifically says otherwise. This correction increases the apparent density by 0.05 - 0.1%. When this correction has not been made, the estimated uncertainty is greater. Most measurements of densities of liquids below their normal boiling points are made in the presence of air. Densities reported here refer to liquids in equilibrium with a gas phase consisting of a mixture or air and vapor at a total pressure of one atmosphere below the normal boiling point and of vapor at the equilibrium vapor pressure above the boiling point. Thus air is not regarded as an impurity. The effect of dissolved air and other gases on the densities of liquid hydrocarbons has been reported by Ashcroft and Ben Isa [97-ash/ben]. The differences they observed between the density of a liquid saturated with air at 1 atm and 298.15 K and the air free liquid are shown in Table 1. Table 1. Difference between densities of liquids saturated with air at 1 atm and 298.15 K and air free liquids at the same temperature Compound Compound ρ (air sat.) -ρ (air free) ρ (air sat.) -ρ (air free) -3 kg⋅m kg⋅m-3 Heptane -0.089 Tetradecane -0.054 Octane -0.081 Hexadecane -0.047 Nonane -0.072 Cyclohexane -0.068 Decane -0.067 Methylcyclohexane -0.077 Dodecane -0.059 Toluene -0.062 A major source of error in most measurements is the presence of impurities in the sample. The effect of an impurity depends upon its amount in the sample and upon the difference between its density and the density of the principal constituent. Even when the sample purity is provided quantitatively, the impurities often are not identified individually. Nevertheless, a report of sample purity reduces the estimated uncertainty because it can be taken as evidence that the investigator has considered sample purity. The most ubiquitous impurity in liquids is water, and, because its density differs significantly from those of hydrocarbons, it is a common source of error. Exclusion of water requires that the sample be protected from the atmosphere during transfer, and that special precautions be taken to remove the sample from containers. The principal source of high purity samples from 1952 to 1960 was the American Petroleum Institute Research Project 6 at Carnegie-Mellon University. These samples were distributed to researchers through the API Project 44 from Carnegie-Mellon University and Texas A&M University. Phillips Petroleum Co. also supplied high purity samples, but they ceased doing so. Samples for 300 compounds from API Project 42 are available from the Thermodynamics Research Center, along with limited supplies of samples for compounds from API Project 6.

1.4.2 Quantitative Effect of Impurity on Density of Liquids The molar volume of a mixture of components, V, in terms of the mole fractions xi and partial molar volumes of the components Vi is: c

V = ∑ xiVi

(1.5)

i =1



5

For an ideal solution, the partial molal volumes equal the molar volumes of the pure liquid components. Denoting component the main components as 1 and the impurities as > 1, the volume becomes: c

V = x1V1 + ∑ xiVi .

(1.6)

ρ = M /V

(1.7)

i=2

Then using,

and the molar mass of the mixture: c

M = ∑ xi M i

(1.8)

i =1

and assuming that the xi are small for i > 1, then

ρ=

c  ρ1   1 − ρ 1 ∑ wi vi   w1  i=2

(1.9)

where vi = Vi /Mi are partial specific volumes of the impurities and wi is the mass fraction of component i. Finally, the density of the mixture is related to the density of the main component and the impurities i by:

ρ=

c w ρ1  1 − ρ1 ∑ i  w1  i =2 ρi 

(1.10)

The observed value of the density of a sample is sometimes presented as evidence of its purity. Assuming the sample contains a single impurity, equation (1.10) can be solved for ρ – ρ1:

ρ − ρ 1 = ρ 1 (1 − w1 − ρ 1 w2 / ρ 2 ) / w1

(1.11)

If water is the single impurity, with ρ2 = 1000 kg⋅m-3 and ρ1 = 800 kg⋅m-3, equation (1.10) gives the values summarized in Table 2. Table 2. Effect of water as an impurity on density of a sample. 100 w2 (ρ − ρ1)/ kg⋅m-3 0.02 0.032 0.05 0.080 0.10 0.16 0.2 0.32 If we replace ρ – ρ1 by its uncertainty u in equation (1.11) then w2 is the minimum value of the mass fraction of the impurity that could be reliably detected. The uncertainty in ρ – ρ1 includes the uncertainty in the measurement of ρ but also the uncertainty in ρ1 , the density of the pure sample. The value of ρ1 must be determined for a sample whose purity is known, by some independent means, with an accuracy considerably greater than the one being tested. An example using equation (1.11) and Table 3 is the determination of a small impurity of 1,2-diethylbenzene in 1,4-diethylbenzene. Table 3 contains numerical solutions of equation (1.11) at various densities and uncertainties. The selected densities of . 1,2- and 1,4-diethylbenzene are (876.0 ± 0.1) kg⋅m-3 and (858.22 ± 0.07) kg⋅m-3 respectively at 298.15 K. Assuming the density of the sample with the impurity is accurate to within ±0.2 kg⋅m-3, the total uncertainty is {(0.2)2 + (0.07)2}1/2 = 0.21 kg⋅m-3. Because ρ1/ρ2 = 0.980, |ρ1 -ρ2| / u = 83.9.


6


Interpolation with these values from Table 3 indicates that the minimum mass fraction of 1,2-diethylbenzene that can be detected by density measurement is 0.014. This corresponds to a purity of 98.6 mass %. The minimum detectable mass fraction of 1,3-diethylbenzene is 0.127 for the same assumptions. Hence density measurement is not a sensitive method to determine purity when the density of the impurity is close to that of the compound under consideration. Table 3. Minimum mass fraction of impurity detectable by density measurement for a mixture. ρ1 /ρ2

ρ2 − ρ1 / u 500 200 100 50 20 10 5 2 1

0.8 0.0025 0.0062 0.0123 0.024 0.059 0.111 0.200 0.385 0.556

0.9 0.0022 0.0055 0.0110 0.022 0.053 0.100 0.182 0.357 0.526

0.95 0.0021 0.0052 0.0104 0.021 0.050 0.095 0.174 0.345 0.513

1.0 0.0020 0.0050 0.0099 0.020 0.048 0.091 0.167 0.333 0.500

1.05 0.0019 0.0047 0.0094 0.019 0.046 0.087 0.160 0.323 0.488

1.1 0.0018 0.0045 0.0090 0.018 0.044 0.083 0.154 0.312 0.476

1.2 0.0017 0.0041 0.0083 0.016 0.040 0.077 0.143 0.294 0.454

1.4.3 Procedure for Selection and Smoothing of Density Values - Case 1 A selected subset of the reported densities is fit to functions of temperature using the least squares criterion. Up to a boundary temperature Tb (approximately 0.8Tc), the calculated density ρ is represented by a polynomial in temperature with coefficients a of order p, x

k

p

ρ x = ∑ ak T k .

(1.12)

k =0

Above Tb the smoothed values are given by a modification of the Guggenheim equation [67-gug]

(

)[

ρ x = 1 + 1.75θ + 0.75θ 3 ρ c + b1 ( Tc − T ) + b2 ( Tc − T ) + b3 (Tc − T ) + b4 ( Tc − T ) 2

3

4

]

(1.13)

where Tc is the critical temperature and θ = (1-T/Tc)1/3. Selected values of critical constants are constant. Continuity with equation (1.12) results from forcing the two functions and their first derivatives with respect to temperature to be equal at the boundary. When no values are available above this temperature, only the polynomial is used. The following steps, implemented by a computer program written in C, generate the smoothed, recommended values. Input to the program consists of the set of observed density values, temperatures, estimated uncertainties, critical constants and values of certain parameters used by the program. Step 1. Separate the initial data into two sets, corresponding to temperatures above and below Tb Step 2. Make an initial selection from the low temperature set by rejecting all points with zero uncertainty and all points with uncertainties above a limit determined by the data selection algorithm described in section 1.5.2. Zero uncertainties are assigned to values that are not experimental and are included for comparison only (these are most often values recommended in other compilations). Step 3. Determine the effective number of data values, ne, as described in 1.5.3. If the effective number of values is less than four, terminate the calculation. If the total number of values is more than eight and the effective number is greater than or equal to four but less than eight, make another initial data selection with relaxed selection criteria. .



7

Step 4. For the j-th value in the set calculate normalized values, ρ and T and weighting factors, w j = 1 / u 2j where uj is the uncertainty assigned to the j-th observed density and ρ n , j = ρ j − ρ n,j

n,j,

where ρ is the mean value of the observed density in the set. and Tn , j = T k − T k where T k is the mean value of the T jk value in the set.. Step 5. Using ρ = a1T , fit the data subject to least squares with points weighted by w . n

n

j

Step 6. Calculate the standard deviation σ for this fit. Eliminate any points from this set for which | δ | > 3.5σ, where δ j = ρ j − ρ x , j . j

Step 7. Fit the remaining normalized values to a series of polynomials, ρ n = ∑ a k T k , starting with order 1 and increasing in order. Use wj as weighting factors and stop increasing the order when satisfying one of the following conditions: 1. A value of p given as an input parameter to the program is reached, or . [1 + 1 / (n − k )]2 χ 2k − 1 (see glossary of symbols) and the deviations pass the random 2. χ 2k < 11 deviation test (see 1.5.4). Step 8. If any points have | δ | > 2.2σ for the final polynomial, eliminate these points and repeat step 7. Step 9. Calculate parameter a0 . Step 10. Apply the initial data selection described in step 2 to the high temperature data set. Step 11. Fit the selected high temperature data with the modified Guggenheim equation using least squares with weighting factors w . Step 12. The following procedure provides continuity at the boundary. Set equation (1.13) and its first derivative at Tb equal to the corresponding values from equation (1.12) at Tb. Eliminate parameters b3 and b4 from these two simultaneous equations to obtain a function containing parameters b1 and b2 which can be evaluated for the high temperature range using least squares. Do not use densities at temperatures within 2 K of the critical temperature. Step 13. Generate the output table of temperature, observed densities, estimated uncertainties, and difference between observed and calculated densities and arrange it in order of year of publication with authors. For data from a particular source, arrange in order of temperature. Step 14. Calculate the table of smoothed and recommended values with their corresponding estimated uncertainties. Coefficients A, B, C, D and E listed in the heading of Table 1 for each compound correspond to a0, a1, a2, a3 and a4 in equation (1.12) for temperatures below Tb. σ is the weighted standard deviation for individual points in this region (see the glossary). If the data set includes values above Tb, the coefficients A, B, C and D correspond to b1, b2, b3 and b4 in equation (1.13) for this range. The weighted standard deviation, σc,w, and the unweighted standard deviation for the fit, σc,uw, include both ranges. If the data set covers only values below Tb then σc,w and σc,uw represent that range only. The uncertainty in the smoothed values depends upon the uncertainties in the original observed values and upon the magnitude of deviations between observed and calculated values. To approximate the contribution of these two effects at the temperature T, the uncertainties u (T) for the low temperature range are calculated from: j

j

O

x

  u x (T ) = u(T ) 2 + ∑ ∑ Ckl (T k − T k )(T l − T l )  k l  

1/ 2

(1.14)

In this equation, u(T) represents the uncertainty of the observed data in the vicinity of T and is approximated by fitting a polynomial of order 1-3 to the estimated uncertainties as a function of


8

1.4 Evaluation, Selection, and Smoothing of Data - 1.5 Calculation Procedures

temperature (other symbols appear in the glossary). Uncertainties in the smoothed data for the high temperature range are calculated using:

[

u x ( T ) = u x (Tb ) + h( T ) 2

−2

]

1/ 2

(1.15)

where u (Tb) is the uncertainty calculated using equation (1.14) for the low temperature range at the boundary temperature Tb and h(T) is a polynomial in temperature fit to the reciprocals of the estimated uncertainties in the high temperature region. The uncertainties in extrapolated data should increase as the extent of extrapolation increases. Since equation (1.15) does not always give this result, manual adjustment is sometime required in this range. x

1.4.4 Procedure for Selection and Smoothing of Density Values - Case 2 When the data set for a particular compound satisfies the criteria for Case 2, it is smoothed by a linear function of temperature,

ρ x = a 0 + a1T

(1.16)

The coefficient a1 is either calculated from two densities of sufficient accuracy reported at different temperatures, preferably by the same investigator, or estimated by examination of the coefficient of expansion of similar compounds obtained from a least squares calculation. The constant term then results from equation (1.17) after eliminating values with large uncertainties

(

)

a 0 = ∑ w j ρ j − a1Tj / ∑ w j

(1.17)

The uncertainties for the smoothed values are:

ux (T ) = [σ 20 + σ 12 (T − T ) 2 ]2

(1.18)

where T is the weighted mean temperature for the accepted set, σ 20 = ( Σw jδ 2j ) / Σw j and σ1 is the estimated standard deviation of a1 .

1.4.5 Procedure for Selection and Smoothing of Density Values - Case 3 The recommended density at a particular temperature is the weighted mean observed density for that temperature. The corresponding uncertainty is the standard deviation from the mean for each value.

1.5 Calculation Procedures 1.5.1 Least Squares Calculation Parameters of all the smoothing functions are adjusted to minimize the function

χ 2 = Σw jδ 2j

(1.19)

by the singular value decomposition of the matrix of independent variables of the function. The parameters are calculated by functions svdcmp and svbksb described in [88-pre/fla] modified to accept weighting factors. The covariance matrix used in equation (1.14) is calculated by the function covar from the same book.


1.5 Calculation Procedures

9

1.5.2 Selection of Data Based upon Estimated Uncertainties The selection procedure is: Step 1. Obtain ∆T, the range of temperatures covered by the data set. Step 2. For each density value, ρ , in the set, calculate, j

(

x jl = exp q Tj − Tl

)

(1.20)

z1 = ∑ x jl

(1.21)

z2 = ∑ ul x jl

(1.22)

y = u j z11.5 z2−1

(1.23)

l≠ j

l≠ j

Accept point j if y ≤ d; reject it otherwise Step 3. Repeat steps 1 and 2 with points accepted in the first pass. The accepted points are those that remain from Step 3. The constants q and d are:

[

q = −2.628 g1 1 + ( ∆T / 30)

2

] / ∆T

d = g 2 / log 10 (1 + n) The number z2 / z1 is a weighted mean of all points in the set other than the j-th point. The weighting factor decreases exponentially with the difference in temperature of the l-th point from the j-th point. The parameter g1 determines the rate of decrease. This procedure compares the uncertainty of the j-th point to the weighted mean of other points. The parameter g2 determines the rejection level from this comparison for the j-th point. Larger values of g2 are less selective. Values for g1 and g2 are supplied to the algorithm. For all cases g1 is in the range of 1 to 2 (usually 1.8). The value of g2 is in the range of 2 to 3 (kg⋅m-3) (usually 2.5).

1.5.3 Count of the Effective Number of Density Values in a Set The number of degrees of freedom in a least squares fit is the number of distinct data values minus the number of adjustable parameters. To obtain a meaningful smoothing of data, the order of the polynomial function is limited to values which gives three or more degrees of freedom. However, if two or more density values in the set are at the same (or nearly the same) temperature, they should count as only one point in calculating the degrees of freedom. In general, the effective number of density values minus the number of fitting parameters is used as the degrees of freedom. Effective data values are those that are separated by at least 1.2 K.

1.5.4 Testing a Set of Deviations between Observed and Calculated Density Values for a Random Distribution One of the criteria for acceptance of the order of a polynomial least squares fit is that the deviations between calculated and random values be distributed “randomly” over the range of conditions covered by the data. The concept of randomness for this purpose probably cannot be defined rigorously. However, the following test for randomness is used whenever the original data set contains seven or more values.


10

1.5 Calculation Procedures - 1.6 Glossary of Symbols

Step 1. Sort the values in order of increasing temperature Step 2. Separate the total range of temperature, ∆T, into s subranges each of size ∆T/s. Form s subsets of data corresponding to these temperature subranges. Step 3. Make the following comparison for each subset j which has at least four members. 0.01
Tb parameters used in the data selection algorithm number of accepted values of density in a set effective number of accepted values of density in a set number of density values in subset s order of the polynomial for density values at temperatures ≤ Tb number of subsets in the random deviation algorithm uncertainty assigned to the j-th observed density value in a set weighting factor for the j-th density value in a set Element k,l of the variance-covariance matrix for the polynomial parameters absolute temperature boundary temperature critical temperature temperature for the j-th observed density

Tk

mean value of the T jk values in a set

T

T jk - T k , normalized value of the j-th temperature raised to the k power

δ θ ρ ρ(API) ρ ρo ρc

ρ -ρ (1 - T /Tc)1/3 density API specific gravity mean value of observed densities in a set

k k

s

j

j

k,l

j

n,j

j

j

j

x,j j

density of a standard substance critical density


1.6 Glossary of Symbols - 1.7 Compound Nomenclature

ρ ρm ρ ρr ρ σ χ 2k

observed value of j-th density in a data set molar density ρ – ρ , normalized density for the j-th value

∆T

Tn – T1, range of temperatures for data in a set

j

n,j

x,j

11

j

relative density calculated value of the j-th density in a data set (χ2/n)1/2, standard deviation for density values in a set Σδ 2j for all values in a set fit to a polynomial of order k

The following symbols refer to components in a mixture at a fixed temperature c i vi wi xi Mi V Vi ρ ρi

number of components in the mixture component number partial specific volume of component i in the mixture mass fraction of component i in the mixture mole fraction of component i in the mixture molar mass (molecular weight) of component i molar volume of a mixture partial molal volume of component i in the mixture density of a mixture of components density of pure component i

Symbols used in the tables: A, B, C, D, E ρcalc ρexp σ

coefficients in function for density (see section 1.4.3) calculated density, ρ observed value of j-th density in a data set, ρ ( Σw j δ 2j / Σw j )1/ 2 , for low temperature range only

σc,w

( Σw j δ 2j / Σw j )1/ 2 , for low and high temperature range combined

σc,uw

[ Σδ 2j / n(n − p − 2)]1 / 2 , for low and high temperature range combined

2σest

estimated uncertainty, u

O

x

j

j

1.7 Compound Nomenclature 1.7.1 Names of Compounds Used in the Tables Compounds are systematically named in the density tables as alky (alkenyl, alkynyl, etc.) derivatives of benzene in the style <side chains>benzene. Side chains consist of one or more alkyl (alkenyl, alkynyl, etc.) radicals attached to the benzene ring. Thus names such as butyl, pentyl, heptyl refer to saturated straight chain radicals. Unsaturated side chains are named as radicals from the corresponding alkene, alkadiene, alkyne, etc. Examples are ethenyl, (1-propenyl), (2-butenyl), (2,3-pentadienyl), and (4-pentynyl). The numbers indicate the postion of the double and triple bonds. The names of branched side chains are enclosed in parenthesis with the position of the side chain shown by the preceding number. Examples are: (1-methylethyl), (same as isopropyl), (2-ethyl-3-methylbutyl).


12

1.7 Compound Nomenclature

Branched unsaturated side chains are named similarly with a number preceding the base chain to specify the position of the double or triple bond. Thus (1,3-dimethyl-2-butenyl) indicates two methyl radicals attached to a butyl radical:

If there is more than one side chain on the benzene ring the name of each radical is preceded by the postion number on the ring. Examples are 1,3-dimethylbenzene and 1-ethyl-4-(1-methylethyl)benzene. Position numbers 1,2-, 1,3-, and 1,4- correspond to the designations ‘ortho’- (o-), ‘meta’- (m-) and ‘para’- (p-). Side chain names are ordered alphabetically within a compound name: butyl, diethyl, dimethyl, ethyl, methyl, methylene, (1-methylethyl), propyl, tetramethyl. Thus, 1-ethyl-4-methyl-2-propylbenzene is:

Simple multiple radicals are preceded by di, tri, tetra, etc. to indicate 2, 3, 4, ... such groups. Prefixes bis, tris, tetrakis, ... are used to indicate multiple complex side chains whose names are enclosed in parenthesis. Examples are 1,4-diethylbenzene and 1,2,4-tris(2-methylpropyl)benzene. Prefixes (Z)- and (E)- identify geometrical isomers that differ in the relative orientation of groups on either side of a double bond in a side chain. The IUPAC rules [93-ano-1] apply, thus (Z)-(1-methyl-2propenyl)benzene is:

In some cases the geometrical orientation is not identified in the original document. In most of such cases the sample is a mixture of isomers. If data is found only for unspecified geometrical isomers the recommendations are based on such data. However, if specific geometrical isomers are identified as well, both kinds of data are listed in separate tables. Then the recommendations are based on data for the specific isomers. Compounds that contain an asymmetric substitutions on a carbon atoms exist in enantiomorphic forms. These differ only in the direction of rotation of polarized light. When the absolute configuration has been identified in the original report, these compounds are identified by (R)- and (S)- prefixes. Sometimes prefixes such as d-, l-, (+)-, and (-)-, which are given in the original report have been used. Very often no identification of the optical isomer is given even when the compound contains an asymmetric carbon atom. Then it is assumed that the samples are racemic mixtures. However, none of these distinctions affect the densities of liquids, therefore all the isomers of this type are combined to determined the recommended values. If a compound contains more than one asymmetric carbon atom diastereomers can exist. In principle, these might have different densities, but no examples have been found. Derivatives of benzene can also be named as phenyl derivatives of alkanes, alkenes, alkadienes, alkynes, etc. Examples of these two types of names are shown below.


1.7 Compound Nomenclature

<Side chain>benzene Name pentylbenzene (1-methylbutyl)benzene (1,3-dimethylbutyl)benzene 1-hexyl-3-methylbenzene (1-propenyl)benzene (2-propenyl)benzene (1-methylethenyl)benzene

13

Phenyl Derivative Name 1-phenylpentane 2-phenylpentane 2-methyl-4-phenylpentane 1-(3-methylphenyl)hexane 1-phenyl-1-propene 1-phenyl-2-propene 2-phenyl-1-propene

Some compounds are commonly known by trivial names. Examples follow. <Side chain>benzene Name methylbenzene 1,2-dimethylbenzene 1,3-dimethylbenzene 1,4-dimethylbenzene (1-methylethyl)benzene 1-methyl-4-(1-methylethyl)benzene 1,3,5-trimethylbenzene ethenylbenzene (1-methylethenyl)benzene (Z)-(1-propenyl)benzene (2-propenyl)benzene

Trivial Name toluene o-xylene m-xylene p-xylene cumene p-cymene mesitylene vinylbenzene or styrene α-methylstyrene cis-β-methylstyrene allylbenzene

Names of compounds in the name index include all those shown in the density tables. In addition, phenyl derivative names, other IUPAC systematic names, Chemical Abstracts indexing names and certain trivial or obsolete names are included. Registry Numbers assigned by Chemical Abstracts Service, and molecular weights are listed with the compound names in the density tables. A Registry Number index is also included. When a Registry Number assigned by Chemical Abstracts is not available a number is assigned by the Thermodynamcis Research Center. These numbers start at 50000-00-0 and continue upward.

1.7.2 Order of Compounds in the Tables Compounds in the tables are arranged in the following groups 1. 2. 3. 4. 5.

Alkyl benzenes, of formula type CnH2n-6 Alkenylbenzenes, of formula type CnH2n-8 Alkynyl- and Alkadienylbenzenes of formula type CnH2n-10 Benzenes with unsaturated side chains of formula type CnH2n-12 Benzenes with unsaturated side chains of formula type CnH2n-14

Within each of these groups the compounds are sorted by number of carbon atoms (n in formulas of type CnH2n-k). Isomers having the same molecular formula are sorted alphabetically by systematic name. .


14

References

References 67-gug

Guggenheim, E. A.; Thermodynamics, 5th edition, North-Holland Publishing Company: Amsterdam (1957).

86-ros/bae

Rossiter, B. W.; Baetzold, R. C.; Physical Methods of Chemistry, 2nd edition, Vol. VI, Determination of Thermodynamic Properties, John Wiley & Sons: New York (1986) Press, W. H.; Flannery, B. P.; Teukolsky, S. A.; Vetterling, W. T.; Numerical Recipes in C, Cambridge Univ. Press: New York (1988). .

88-pre/fla

93-ano-1

Panico, R.; Powell, W. H.; Richer, J. C.; A Guide to IUPAC Nomenclature of Organic Compounds: Recommendation 1993, Blackwell Scientific Publications: Oxford (1993).

97-ash/ben

Ashcroft, S. J.; Ben Isa, M.; J. Chem. Eng. Data, 42 (1997) 1244.


2.1 Alkylbenzenes (CnH2n-6), C6 - C10

15

2 Tabulated Data on Density - Alkylbenzenes (CnH2n-6) 2.1 Alkylbenzenes (CnH2n-6), C6 - C10 Benzene

[71-43-2]

C6H6

MW = 78.11

1

Tc = 562.05 K [95-tso/amb] ρc = 305.0 kg·m-3 [95-tso/amb] Table 1. Coefficients for the polynomial expansion equations. Standard deviations (see introduction): σ = 6.4169 · 10-1 (low temperature range), σc,w = (8.6525 · 10-1 combined temperature ranges, weighted), σc,uw = 1.2761 · 10-1 (combined temperature ranges, unweighted). O

T = 273.15 to 449.60 K T = 449.60 to 562.05 K ρ = A + BT + CT 2 + DT 3 + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] 3 1.11471 · 10 7.00111 · 10-1 -5 -2.46925 · 10 -1.41951 · 10-2 -3 -5.75335 · 10 1.27411 · 10-4 -5 1.41802 · 10 -4.09483 · 10-7 -8 -1.33393 · 10

Coefficient

A B C D E

Table 2. Experimental values with uncertainties and deviation from calculated values. T K

90.15 194.15 264.55 273.15 278.15 283.15 293.15 303.15 313.15 323.15 333.15 343.15 353.15 353.52 273.15 273.15 1)

ρexp ± 2σ est kg ⋅ m−3

crystal 1101.0 ± 3.0 1062.0 ± 3.0 1023.5 ± 1.0 liquid 899.36 ± 0.20 894.71 ± 0.20 889.60 ± 0.20 878.99 ± 0.20 868.54 ± 0.20 857.63 ± 0.20 846.76 ± 0.20 835.82 ± 0.20 824.90 ± 0.20 813.65 ± 0.20 813.26 ± 0.20 900.06 ± 0.17 900.00 ± 0.20

ρexp − ρcalc Ref. (Symbol in Fig. 1) kg ⋅ m−3

30-bil/fis-1 30-bil/fis-1 33-hen/jef -0.81 -0.18 0.01 -0.00 0.18 -0.05 -0.19 -0.32 -0.34 -0.58 -0.56 -0.11 -0.17

1883-fli(✕ ) 1883-fli(✕ ) 1883-fli1) 1883-fli1) 1883-fli1) 1883-fli1) 1883-fli1) 1883-fli(✕ ) 1883-fli(✕ ) 1883-fli(✕ ) 1883-fli(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ )

T K

281.75 287.65 291.15 291.15 303.15 313.15 323.15 333.15 343.15 353.15 363.15 373.15 383.15 393.15 403.15 413.15 423.15 433.15


890.47 ± 0.17 885.43 ± 0.17 881.18 ± 0.17 881.16 ± 0.20 868.51 ± 0.16 857.56 ± 0.16 846.60 ± 0.16 835.70 ± 0.15 824.81 ± 0.15 814.46 ± 0.15 804.12 ± 0.14 792.71 ± 0.14 780.88 ± 0.14 769.23 ± 0.14 756.77 ± 0.13 744.05 ± 0.13 730.99 ± 0.13 718.49 ± 0.12

ρexp − ρcalc Ref. (Symbol kg ⋅ m−3 in Fig. 1)

-0.61 0.60 0.06 0.04 0.15 -0.12 -0.35 -0.44 -0.43 0.23 1.05 0.97 0.67 0.80 0.40 0.06 -0.26 0.41

1889-you-1(✕ ) 1889-you-11) 1889-you-11) 1889-you-11) 1889-you-11) 1889-you-11) 1889-you-11) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ )

Not included in Fig. 1

cont.


16


Benzene (cont.) Table 2. (cont.) T K

443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 553.15 557.45 559.25 561.15 353.15 363.15 373.15 383.15 393.15 403.15 413.15 423.15 443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 548.15 553.15 561.65 273.15 283.15 286.65 288.15 288.95 289.35 1)

ρexp ± 2σ est −3

kg ⋅ m


704.32 ± 0.12 -0.13 690.61 ± 0.12 0.37 675.77 ± 0.11 0.85 660.55 ± 0.11 1.81 643.25 ± 0.11 1.37 625.55 ± 0.10 1.28 606.54 ± 0.10 0.99 585.10 ± 0.09 0.04 560.95 ± 0.09 -0.83 532.77 ± 0.08 -1.33 498.43 ± 0.09 -0.80 451.39 ± 0.09 1.20 421.32 ± 0.11 2.90 407.81 ± 0.13 8.10 385.58 ± 0.18 17.02 812.70 ± 0.50 -1.53 804.20 ± 0.50 1.13 792.80 ± 0.50 1.06 781.00 ± 0.60 0.79 769.20 ± 0.60 0.77 756.80 ± 0.60 0.43 744.00 ± 0.60 0.01 731.00 ± 0.60 -0.25 704.30 ± 0.70 -0.15 690.60 ± 0.70 0.36 675.80 ± 0.70 0.88 661.00 ± 0.70 2.26 643.20 ± 0.70 1.32 625.60 ± 0.80 1.33 606.60 ± 0.80 1.05 585.20 ± 0.90 0.14 561.00 ± 0.90 -0.78 532.70 ± 0.90 -1.40 498.50 ± 1.00 -0.73 470.80 ± 1.00 -6.55 451.50 ± 2.00 1.31 304.30 ± 2.00 -48.84 899.94 ± 0.20 -0.23 889.43 ± 0.20 -0.16 885.76 ± 0.20 -0.13 884.18 ± 0.20 -0.12 883.34 ± 0.20 -0.11 882.91 ± 0.20 -0.11

1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-1(✕ ) 1889-you-11) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-31) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-31) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-3(✕ ) 1893-ram/shi-31) 1893-ram/shi-31) 26-tim/mar-1(✕ ) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11)

T K

289.50 290.35 291.10 291.55 292.65 293.15 293.15 293.35 294.15 298.15 298.15 298.40 301.95 303.15 306.05 306.66 308.10 273.15 288.10 303.25 319.10 333.85 352.85 373.15 303.15 293.15 298.15 293.15 298.15 310.23 323.20 333.26 343.35 353.25 378.80 379.40 382.15 382.55 384.70 386.90 389.35 390.20 394.00


kg ⋅ m

882.77 ± 0.20 881.88 ± 0.20 881.08 ± 0.20 880.61 ± 0.20 879.46 ± 0.20 878.93 ± 0.20 878.93 ± 0.20 878.72 ± 0.20 877.88 ± 0.20 873.67 ± 0.20 873.67 ± 0.20 873.41 ± 0.20 869.70 ± 0.20 868.42 ± 0.20 865.31 ± 0.20 864.64 ± 0.20 863.08 ± 0.20 899.90 ± 0.30 884.34 ± 0.30 868.28 ± 0.30 851.04 ± 0.30 834.96 ± 0.30 813.80 ± 0.30 790.30 ± 0.30 868.37 ± 0.05 879.01 ± 0.04 873.66 ± 0.04 879.08 ± 0.10 873.72 ± 0.10 859.98 ± 0.10 846.67 ± 0.10 835.64 ± 0.20 824.56 ± 0.20 813.60 ± 0.50 786.00 ± 0.30 785.80 ± 0.30 782.50 ± 0.30 783.10 ± 0.30 779.20 ± 0.30 776.40 ± 0.30 773.80 ± 0.30 772.60 ± 0.30 767.90 ± 0.30


-0.10 -0.08 -0.09 -0.08 -0.06 -0.06 -0.06 -0.06 -0.05 -0.01 -0.01 -0.00 0.06 0.06 0.04 0.02 -0.00 -0.27 -0.01 0.03 -0.26 -0.42 -0.76 -1.44 0.01 0.02 -0.02 0.09 0.04 -0.83 -0.23 -0.38 -0.47 -0.52 0.75 1.24 1.13 2.20 0.80 0.58 0.86 0.67 0.48

26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 26-tim/mar-11) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas(✕ ) 43-woo/bru(∆) 46-for/gla( ) 46-for/gla( ) 59-how/pik1) 59-how/pik1) 59-how/pik(✕ ) 59-how/pik(✕ ) 59-how/pik(✕ ) 59-how/pik(✕ ) 59-how/pik1) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha1) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ )

{ {


cont.



17

Table 2. (cont.) T K

395.95 398.95 400.00 401.85 404.95 405.70 411.30 413.00 419.40 420.75 425.40 428.05 433.50 436.75 443.60 444.65 450.70 451.65 456.35 458.85 463.15 467.65 469.55 477.30 484.10 493.10 501.20 508.40 515.80 526.00 535.40 540.90 545.95 550.35 553.15 557.20 559.80 560.30 561.55 561.65 298.15 293.15 298.15 303.15 310.00 1)


kg ⋅ m


765.70 ± 0.30 0.62 761.80 ± 0.30 0.33 762.10 ± 0.30 1.90 758.60 ± 0.30 0.64 755.00 ± 0.30 0.83 753.90 ± 0.30 0.65 746.40 ± 0.30 0.09 744.10 ± 0.30 -0.08 737.10 ± 0.30 1.03 735.00 ± 0.30 0.66 729.00 ± 0.30 0.68 724.80 ± 0.30 -0.05 718.10 ± 0.30 0.49 713.60 ± 0.30 0.37 704.10 ± 0.30 0.27 702.00 ± 0.30 -0.36 693.20 ± 0.40 -0.61 691.90 ± 0.40 -0.53 685.00 ± 0.40 -0.45 681.20 ± 0.40 -0.44 674.60 ± 0.40 -0.32 667.00 ± 0.40 -0.73 664.70 ± 0.40 0.05 657.10 ± 0.40 5.28 640.80 ± 0.40 0.56 625.70 ± 0.40 1.34 610.00 ± 0.40 0.69 596.00 ± 0.50 0.93 579.00 ± 0.50 -0.22 552.10 ± 0.50 -2.33 524.40 ± 0.50 -2.63 507.00 ± 0.50 -0.94 486.80 ± 0.50 -0.67 466.00 ± 0.50 -0.24 450.80 ± 1.00 0.61 419.90 ± 1.00 -0.75 384.40 ± 1.50 -8.19 373.70 ± 2.00 -11.44 336.00 ± 3.00 -20.94 262.50 ± 3.50 -90.64 873.65 ± 0.06 -0.03 878.90 ± 0.10 -0.09 873.60 ± 0.10 -0.08 868.29 ± 0.10 -0.07 860.90 ± 0.10 -0.15

68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha1) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha(✕ ) 68-cam/cha1) 68-cam/cha1) 70-sto/lev(◆) 72-hal/tow1) 72-hal/tow1) 72-hal/tow1) 72-hal/tow(✕ )

T K

320.00 340.00 360.00 363.15 380.00 390.00 410.00 423.15 430.00 450.00 470.00 480.00 490.00 281.25 285.87 286.86 288.37 289.42 290.22 291.25 293.68 294.70 298.61 299.46 302.65 303.50 307.40 307.88 311.23 312.16 315.33 316.28 320.27 320.96 298.15 308.15 318.15 333.15 298.15 308.15 318.15 333.15 298.15 308.15 318.15


kg ⋅ m

850.08 ± 0.10 828.24 ± 0.10 805.85 ± 0.11 802.24 ± 0.11 782.79 ± 0.11 770.93 ± 0.11 746.40 ± 0.11 729.54 ± 0.11 720.74 ± 0.11 692.68 ± 0.12 662.36 ± 0.12 645.94 ± 0.12 628.49 ± 0.14 891.46 ± 0.10 886.61 ± 0.10 885.57 ± 0.10 883.96 ± 0.10 882.86 ± 0.10 882.06 ± 0.10 880.96 ± 0.10 878.41 ± 0.10 877.34 ± 0.10 873.19 ± 0.10 872.28 ± 0.10 868.96 ± 0.10 868.08 ± 0.10 863.98 ± 0.10 863.48 ± 0.10 859.98 ± 0.10 859.00 ± 0.10 855.65 ± 0.10 854.66 ± 0.10 850.42 ± 0.10 849.69 ± 0.10 873.67 ± 0.20 862.96 ± 0.20 852.20 ± 0.20 835.94 ± 0.20 873.67 ± 0.20 862.96 ± 0.20 852.20 ± 0.20 835.94 ± 0.20 873.67 ± 0.10 862.96 ± 0.15 852.20 ± 0.15


-0.26 -0.45 -0.75 -0.83 -1.07 -1.24 -1.53 -1.71 -1.54 -2.13 -1.55 -1.32 -1.42 -0.15 -0.10 -0.09 -0.10 -0.09 -0.04 -0.05 -0.02 -0.01 -0.00 -0.01 0.07 0.09 0.15 0.16 0.24 0.26 0.30 0.33 0.37 0.38 -0.01 -0.07 -0.12 -0.20 -0.01 -0.07 -0.12 -0.20 -0.01 -0.07 -0.12

72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow1) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis1) 72-rei/eis1) 72-rei/eis1) 72-rei/eis1) 72-rei/eis1) 72-rei/eis1) 72-rei/eis1) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 72-rei/eis(✕ ) 78-dia/tar1) 78-dia/tar1) 78-dia/tar1) 78-dia/tar(✕ ) 80-aic/tar-11) 80-aic/tar-11) 80-aic/tar-11) 80-aic/tar-1(✕ ) 81-aic/tar-11) 81-aic/tar-11) 81-aic/tar-11)


cont. Landolt-Börnstein New Series IV/8E

18


Benzene (cont.) Table 2. (cont.) T K

333.15 293.15 298.15 303.15 298.15 323.81 348.38 373.35 398.43 423.59 283.13 288.12 293.15 298.16 303.28 1)


kg ⋅ m

835.94 ± 0.15 878.99 ± 0.05 873.64 ± 0.05 868.29 ± 0.05 873.67 ± 0.02 846.01 ± 0.10 818.37 ± 0.10 791.84 ± 0.10 760.87 ± 0.15 729.01 ± 0.15 889.64 ± 0.20 884.38 ± 0.20 879.10 ± 0.20 873.77 ± 0.20 868.23 ± 0.20


-0.20 -0.00 -0.04 -0.07 -0.01 -0.23 -1.13 0.33 -1.23 -1.67 0.02 0.05 0.11 0.10 0.01

81-aic/tar-1(✕ ) 85-tam/mur(∇) 85-tam/mur(∇) 85-tam/mur(∇) 87-aka/oga( ) 88-ste/arc(✕ ) 88-ste/arc(✕ ) 88-ste/arc(✕ ) 88-ste/arc(✕ ) 88-ste/arc1) 88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-11)

T K

308.17 313.30 318.19 323.17 328.17 333.16 298.15 303.15 313.15 333.15 373.15 393.15 413.15 433.15 453.15


kg ⋅ m

863.04 ± 0.20 857.37 ± 0.20 852.13 ± 0.20 846.66 ± 0.20 841.40 ± 0.20 835.81 ± 0.20 873.70 ± 0.30 868.30 ± 0.30 858.10 ± 0.30 835.80 ± 0.30 792.60 ± 0.30 768.50 ± 0.30 743.70 ± 0.40 718.80 ± 0.40 691.20 ± 0.50


0.03 -0.15 -0.15 -0.27 -0.14 -0.32 0.02 -0.06 0.42 -0.34 0.86 0.07 -0.29 0.72 0.96

88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-11) 88-sun/sch-1(✕ ) 88-sun/sch-1(✕ ) 93-beg/tuk1) 93-beg/tuk1) 93-beg/tuk1) 93-beg/tuk1) 93-beg/tuk(✕ ) 93-beg/tuk(✕ ) 93-beg/tuk1) 93-beg/tuk1) 93-beg/tuk(✕ )


Further references: [1873-adr, 1873-mye, 1873-pis/pat, 1880-jan, 1884-gla, 1887-neu, 1887-tim, 1888kno, 1888-wee, 1890-gar, 1891-fer, 1891-gla, 1891-sch/kos, 1892-lan/jah, 1896-per, 1898-kah, 02-pat, 04-dun, 05-chr, 07-dun/tho, 07-lum, 08-dun/stu, 08-liv/mor, 09-fin, 10-mil/mac, 10-tyr, 11-liv/mor, 11-tyr, 12-fau, 13-dun/hil, 13-fle/tyr, 13-muc, 14-kre/mei, 15-ric/coo, 16-ric/shi, 19-von, 19-was/rea, 20-bou, 20dar, 20-got, 21-ric/bar, 22-par/tho, 24-kal, 24-kur, 24-mil, 24-ric/spe, 25-lew, 25-ric/cha, 25-yaj/bha, 26des, 26-par/rul, 27-gru, 28-est, 28-nor/pre, 29-pre, 29-pus/pin, 29-smy/sto, 29-wei/san, 30-mor/low, 30tau/sta, 30-zma, 31-gra/hey, 31-tre/spe, 32-gar/eva, 32-mar/col, 33-azi/bha, 33-bar/cas, 33-glo/lyn, 33mor, 34-all/hib, 34-war/ful, 35-ear/gla, 35-ols/was, 35-pes, 36-erl/lob, 36-ing/rai, 36-ipa/cor, 36-kir/skv, 36-kli/lan, 36-mcl/ada, 36-sha/ost, 37-bue/gar, 37-coh/bui, 37-loz/dya, 37-mul, 37-woj, 38-ols/was, 39bow/but, 42-gei, 42-sch, 42-tra/was, 43-bis/wal, 43-gri/lud, 44-ano, 44-sch, 46-gei/can, 46-gib/tho, 46mil/ang, 46-sca/woo, 47-leg, 47-rog, 48-jon/bow, 48-wil/ros, 49-den/fid, 49-foe/fen, 49-for/ros, 49-wei, 50-ber/wei, 50-cur/est, 50-lar/ver, 50-spu/zei, 50-tei/gor, 51-ano, 52-kip/tes, 52-vog/cre, 53-mat-1, 53mcc/jon, 53-tre, 54-bro/smi, 54-dix/sch, 54-gar/ell, 54-gri/jes, 54-san/lyo, 54-smi/otv, 55-bro/smi, 55cut/jon, 55-fle/sau, 55-ham/sto, 55-kus, 56-con, 56-mcg/win, 56-moo/sty, 56-woo/san, 57-pit/pet, 57pri/hun, 58-afe, 58-how/ham, 58-lin/van, 58-wag/web, 59-fre/hut, 59-nie/web, 60-fro/shr, 60-oak/web, 60wei/woo, 61-bel/web, 61-nyv/erd, 62-bro/smi-1, 62-kae/web, 62-sus/lyz, 63-fis, 63-pod, 63-raj/ran, 65bus/bal, 65-des/pan, 65-for/moo, 65-wat/mcl, 66-kat/cha, 66-lut/kov, 66-sab/bel, 66-sch/ran, 67-dei, 67fin/ken, 67-her/bre, 67-mur/sri, 67-nat/rao, 67-rid/but, 67-roz, 67-seu/mor, 67-sum/tho, 68-bar/sat, 68des/bha, 68-kem/buc, 68-pow/swi, 68-sum/tho, 69-bro/foc, 69-cho/nai, 69-rod/hsu, 70-hal, 70-har/dun, 70-hlo/hal, 70-kon/lya, 70-kor/sha, 70-mye/cle, 70-nag, 71-des/bha, 71-her/bre, 71-hyd/sub, 71-let/bay, 71-nag/oht, 71-san/fel, 71-tam/pau, 72-bon/pik, 72-kud/kir, 72-len/hip, 72-li /won, 72-mar/mur, 73chi/hou, 73-gra/ker, 73-rao/vis, 73-li /lu, 73-mit/guh, 73-nag/oht, 73-sub/kon, 73-svo/ves, 74-lie/mis, 74mye/cle, 75-dia/nun, 75-gro/ben, 75-hsu/cle, 75-let, 75-mil/wac, 75-mus/ver, 75-ter, 75-tri/ass, 76-abs/tut, 76-for/ben, 76-ha /mor, 76-sav/sim, 76-tej/ric, 77-gov/and-1, 77-hwa/rob, 77-rad/tas, 78-kiy/hal, 78nat/yad, 78-nit/fuj, 78-vol/giu, 79-coc/pis, 79-goa/ott, 79-gro, 79-kim/tak, 79-kri/sre, 79-mah/sur, 79mal/pat, 79-mur-2, 79-pat/sun, 79-sin/siv, 80-edu/boy, 80-oht/nag] cont. Landolt-Börnstein New Series IV/8E


19

ρ

ρ

Further references: (cont.) [82-80-pit/sur, 80-pra/vis, 80-sid/goe, 81-asf/dul, 81-dym/you, 81-gro, 81-mal/rae, 81-nai/nai, 81-oht/koy, ami/pat, 82-chy/str, 82-dig/jad, 82-gme, 82-gri/phi, 82-nat/nar, 82-rub/ren, 82-tak/tan, 83-alb/edg, 83gop/rao, 83-gri/phi, 83-mon, 83-nat/tri, 84-bau/mee, 84-sin/nig, 84-tan/tak, 85-alm/aww, 85-mar/bha, 85nag, 85-ogi/ara, 85-osw/rao, 85-sae/com, 85-sin/mah, 85-sin/sha, 85-tri/rod, 86-aww/ala, 86-cod/mon, 86gou/tom, 86-kar, 86-kas/kna, 86-pan/jan, 86-red, 86-san/sha, 86-tar/aic, 86-tar/dia, 86-tar/dia-1, 87-ami, 87-dah/dag, 87-lin, 87-man/ami, 87-nag, 87-nag/rob, 87-rao/ver, 87-shi/oga, 87-tan, 87-yad/yad, 88aww/all, 88-aww/sal, 88-cha/sur, 88-dah/sin-1, 88-gar/cob-1, 88-jun/tar, 88-nag, 88-shi/oga, 89-der/poi, 89-kou/pan, 89-lai/rod, 89-nar/swa, 89-pan/shu, 89-rai/shu, 89-raj/ren, 89-sch/ake, 90-all/bee, 90-che/pet, 90-dut/kah, 90-ser/sil, 91-gro/rou, 91-kna/skj, 91-pap/eva, 91-ram/muk, 91-she/wan, 91-wil/jim, 92gup/nan, 92-qin/hof, 92-wei/wil, 93-hai/guo, 94-sha/sin, 94-sin/kal, 95-art/mun, 95-beg/tuk, 95-hai/cha, 95-org/igl, 95-osw/pat, 95-pet/gas, 96-auc/mon, 1880-bru-3, 1883-sch-3, 1884-sch-6, 1896-1, 10-bir-1, 10-you-1, 11-wal-2, 13-von-3, 14-tyr, 14-tyr-1, 18-sam-1, 19-cha/sim-2, 19-her-1, 20-mey/myl, 25-mac-3, 26-bar-1, 36-ber/wei-1, 36-woj-3, 41-ano-1, 43-ano-2, 47-rog-1, 47-rog-2, 49-few/smi-2, 56-tor-2, 62nag-2, 62-nag-3, 63-man/she-1, 63-pra/van-1, 65-shr/pec-1, 66-sub/rao-1, 71-len/hay-1, 71-len/hay-2, 71shl-1, 72-let, 72-let-1, 73-paz-4, 73-paz-5, 73-paz-6, 73-paz-7, 73-paz-8, 78-dia/cre-1, 81-dym/rob-1, 81gro-5, 85-nag-1, 85-nag-2, 85-nag-3, 85-ort-1, 86-ort/paz-1, 87-ara/rub-1, 88-rat-1, 88-ste/arc, 88-sub/rao1, 90-jos/ami-1, 92-qin/hof-1, 95-art/mun-2, 95-art/mun-3, 95-hai/min-1].

Fig. 1. The symbols show the deviation of the calculated from the experimental values from Table 2. The curves above and below the zero line indicate the calculated error region of the recommended values given in Table 3. The error bars represent the experimental errors. (Error bars smaller than the symbols are omitted for clarity of the figure.)

cont.


20


Benzene (cont.)

Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

270.00 280.00 290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00 350.00

ρ ± σ fit kg ⋅ m−3

T K

903.50 ± 0.10 892.93 ± 0.10 882.34 ± 0.11 878.99 ± 0.11 873.68 ± 0.12 871.71 ± 0.12 861.05 ± 0.13 850.34 ± 0.14 839.56 ± 0.15 828.69 ± 0.16 817.71 ± 0.17

Methylbenzene

360.00 370.00 380.00 390.00 400.00 410.00 420.00 430.00 440.00 450.00 460.00


T K

806.60 ± 0.18 795.33 ± 0.19 783.86 ± 0.20 772.17 ± 0.21 760.20 ± 0.22 747.93 ± 0.23 735.31 ± 0.25 722.28 ± 0.26 708.80 ± 0.27 694.81 ± 0.40 679.86 ± 0.38

[108-88-3]

470.00 480.00 490.00 500.00 510.00 520.00 530.00 540.00 550.00 560.00

C7H8

ρ ± σ fit kg ⋅ m−3 663.91 ± 0.36 647.26 ± 0.36 629.91 ± 0.35 611.60 ± 0.35 591.76 ± 0.35 569.50 ± 0.36 543.43 ± 0.36 511.26 ± 0.38 468.08 ± 0.39 389.75 ± 0.43

MW = 92.14

2

Tc = 591.75 K [95-tso/amb] ρ c = 292.00 kg·m-3 [95-tso/amb]

Table 1. Coefficients for the polynomial expansion equations. Standard deviations (see introduction): σ = 6.4673 · 10-1 (low temperature range), σc,w = (1.4811 · 10-1 combined temperature ranges, weighted), σc,uw = 8.1016 · 10-2 (combined temperature ranges, unweighted). O

Coefficient

A B C D

T = 178.05 to 473.40 K T = 473.40 to 591.75 K ρ = A + BT + CT 2 + DT 3 + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] 3 1.18621 · 10 7.29255 · 10-1 -1.47573 -1.57252 · 10-2 -3 2.08566 · 10 1.57707 · 10-4 -6 -2.61945 · 10 -5.50177 · 10-7

cont.



21


283.85 363.50 273.15 298.15 323.15 348.15 183.88 193.74 202.77 210.42 220.65 230.66 237.98 244.90 253.55 259.29 261.45 273.15 178.05 189.55 209.65 227.95 250.25 273.15 288.05 307.65 319.25 319.55 329.55 353.15 373.40 400.00 293.15 298.15 343.15 353.15 363.15 373.15 383.15 393.15 403.15 413.15 423.15 433.15 1)


kg ⋅ m

875.30 ± 0.20 799.47 ± 0.30 884.46 ± 0.15 859.90 ± 0.30 838.20 ± 0.30 815.40 ± 0.30 969.26 ± 2.00 959.84 ± 2.00 951.30 ± 2.00 943.91 ± 1.50 934.21 ± 1.50 924.89 ± 1.50 918.23 ± 1.00 911.68 ± 1.00 903.66 ± 1.00 898.28 ± 1.00 896.16 ± 1.00 884.16 ± 1.00 975.42 ± 4.00 964.60 ± 4.00 944.65 ± 2.00 927.16 ± 1.00 906.63 ± 0.50 885.43 ± 0.50 871.53 ± 0.50 853.36 ± 0.50 842.63 ± 0.50 842.48 ± 0.50 832.78 ± 0.50 810.15 ± 0.50 789.61 ± 0.50 762.15 ± 0.50 866.81 ± 0.05 862.17 ± 0.05 822.90 ± 2.00 812.80 ± 2.00 802.90 ± 2.00 792.60 ± 2.00 782.90 ± 2.00 772.00 ± 2.00 760.20 ± 2.00 748.50 ± 2.00 734.10 ± 2.00 725.40 ± 2.00


-0.16 -0.08 -0.88 -2.29 -0.53 0.71 0.18 0.30 0.41 0.28 0.22 0.26 0.40 0.26 0.24 0.16 0.03 -1.18 0.63 1.02 0.30 -0.00 0.16 0.09 -0.04 0.03 0.21 0.34 0.14 0.35 0.02 0.17 -0.03 -0.02 3.34 3.00 3.00 2.75 3.27 2.78 1.59 0.71 -2.63 -0.03

1892-per-11) 1892-per-1(✕ ) 12-tim(✕ ) 14-her1) 14-her1) 14-her(✕ ) 31-ton/ueh-1(✕ ) 31-ton/ueh-1(✕ ) 31-ton/ueh-1(✕ ) 31-ton/ueh-1(✕ ) 31-ton/ueh-1(✕ ) 31-ton/ueh-11) 31-ton/ueh-11) 31-ton/ueh-11) 31-ton/ueh-11) 31-ton/ueh-11) 31-ton/ueh-11) 31-ton/ueh-11) 36-mas(✕ ) 36-mas1) 36-mas(✕ ) 36-mas(✕ ) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas(✕ ) 36-mas(✕ ) 46-for/gla(∆) 46-for/gla1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra1) 57-fra(✕ )

T K

443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 553.15 563.15 573.15 583.15 301.15 313.15 323.15 333.15 343.15 353.15 363.15 298.15 303.15 308.15 313.15 293.15 298.15 303.15 320.00 340.00 360.00 370.00 390.00 410.00 430.00 450.00 470.00 480.00 490.00 298.15 308.15 318.15 333.15


kg ⋅ m

713.60 ± 2.00 701.20 ± 2.00 688.10 ± 2.00 674.60 ± 2.00 661.50 ± 2.00 647.10 ± 2.00 633.10 ± 2.00 616.80 ± 2.00 598.10 ± 2.00 577.50 ± 2.00 556.20 ± 2.00 533.00 ± 2.00 506.90 ± 2.00 473.50 ± 2.00 454.80 ± 2.00 859.49 ± 0.20 848.01 ± 0.20 838.49 ± 0.20 829.11 ± 0.20 819.46 ± 0.20 809.69 ± 0.20 799.83 ± 0.20 862.13 ± 0.10 857.53 ± 0.10 853.05 ± 0.10 848.34 ± 0.10 866.83 ± 0.10 862.19 ± 0.10 857.54 ± 0.10 841.71 ± 0.10 822.56 ± 0.10 803.01 ± 0.11 793.08 ± 0.11 772.67 ± 0.11 751.42 ± 0.11 729.16 ± 0.11 705.62 ± 0.12 680.42 ± 0.12 666.99 ± 0.12 652.99 ± 0.14 861.89 ± 0.15 852.58 ± 0.15 843.18 ± 0.15 828.95 ± 0.15


-0.26 -0.81 -1.77 -2.82 -2.02 -0.58 2.36 3.60 2.93 1.06 -0.20 -1.02 -0.76 -0.95 27.43 0.09 -0.16 -0.24 -0.09 -0.10 -0.11 -0.07 -0.06 -0.01 0.19 0.17 -0.01 -0.00 0.00 -0.00 -0.05 -0.02 0.05 0.15 0.20 0.14 -0.16 -0.96 -1.17 0.17 -0.30 -0.28 -0.28 -0.25

57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 67-pre/fel1) 67-pre/fel1) 67-pre/fel(✕ ) 67-pre/fel(✕ ) 67-pre/fel(✕ ) 67-pre/fel(✕ ) 67-pre/fel(✕ ) 71-kat/lob1) 71-kat/lob1) 71-kat/lob1) 71-kat/lob(◆) 72-hal/tow1) 72-hal/tow1) 72-hal/tow1) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow1) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 81-aic/tar-11) 81-aic/tar-11) 81-aic/tar-1(✕ ) 81-aic/tar-1(✕ )

Not included in Fig. 1.

cont.


22


Methylbenzene (cont.) Table 2. (cont.) T K

293.15 298.15 303.15 293.15 243.12 243.13 243.13 248.13 248.14 248.14 252.33 252.34 253.12 258.13 258.14 258.14 263.11 263.11 263.11 263.11 268.12 268.12 268.12 273.16 273.16 273.16 1)


kg ⋅ m

866.86 ± 0.05 862.22 ± 0.05 857.55 ± 0.05 866.86 ± 0.05 913.06 ± 0.08 913.05 ± 0.08 913.05 ± 0.08 908.43 ± 0.08 908.43 ± 0.08 908.43 ± 0.08 904.57 ± 0.08 904.55 ± 0.08 903.84 ± 0.08 899.21 ± 0.08 899.21 ± 0.08 899.21 ± 0.08 894.61 ± 0.08 894.62 ± 0.08 894.62 ± 0.08 894.62 ± 0.08 890.02 ± 0.08 890.02 ± 0.08 890.02 ± 0.08 885.36 ± 0.08 885.37 ± 0.08 885.37 ± 0.08


0.02 0.03 0.01 0.02 -0.00 -0.00 -0.00 0.00 0.01 0.01 0.02 0.01 0.02 0.02 0.03 0.03 0.01 0.02 0.02 0.02 0.04 0.04 0.04 0.03 0.04 0.04

85-tam/mur( ) 85-tam/mur1) 85-tam/mur( ) 88-ano( ) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇)

{

T K

278.14 278.15 278.15 283.14 283.14 283.15 283.15 288.15 288.15 288.16 293.10 293.15 293.15 298.14 298.15 298.15 303.14 303.15 303.15 308.10 308.15 308.15 313.08 313.08 313.08


kg ⋅ m

880.76 ± 0.08 880.75 ± 0.08 880.76 ± 0.08 876.13 ± 0.08 876.13 ± 0.08 876.13 ± 0.08 876.13 ± 0.08 871.49 ± 0.08 871.49 ± 0.08 871.49 ± 0.08 866.85 ± 0.08 866.85 ± 0.08 866.85 ± 0.08 862.20 ± 0.08 862.20 ± 0.08 862.20 ± 0.08 857.53 ± 0.08 857.53 ± 0.08 857.53 ± 0.08 852.85 ± 0.08 852.84 ± 0.08 852.85 ± 0.08 848.21 ± 0.08 848.21 ± 0.08 848.21 ± 0.08


0.03 0.02 0.03 0.02 0.02 0.03 0.03 0.01 0.01 0.02 -0.04 0.01 0.01 -0.00 0.01 0.01 -0.01 -0.01 -0.01 -0.06 -0.02 -0.01 -0.02 -0.02 -0.02

92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-3(∇) 92-ano-3(∇) 92-ano-3(∇)


Further references: [1880-bru-3, 1881-nac/pag, 1882-nac/pag, 1883-sch-3, 1884-gla, 1884-sch-6, 1887neg, 1887-neu, 1891-gla, 1891-sch/kos, 1892-lan/jah, 1894-jah/mol, 1895-lin, 1896-lin-1, 1896-per, 1898-kah, 02-pat, 06-bla/cou, 07-lum, 09-bir, 10-bir, 10-daw, 10-tim, 10-tyr, 12-mor/dag, 12-ric/stu, 12wal/swi, 13-dun/hil, 14-kre/mei, 14-kre/mei-2, 14-sch, 14-tyr, 14-tyr-1, 14-wus/foe, 15-ric/coo, 16-ric/shi, 19-cha/sim-2, 19-kai, 19-von, 22-dri/fir, 23-tim/van, 24-bus-1, 24-gru, 24-mil, 25-lew, 26-bri, 26-des, 26mat, 26-tim/mar-1, 26-woo, 27-gru, 28-dam, 29-don, 29-pus/pin, 29-sch-4, 30-how/nas, 30-tau/sta, 30zma, 30-zma-1, 31-dec-1, 31-nes/dar, 32-gar/eva, 33-azi/bha, 33-bar/cas, 33-bri/dum, 33-bro/qui, 33-mor, 34-lai/sza, 34-war/ful, 35-bra/fel, 35-iva/sav, 35-swi/ram, 36-cow/par, 36-mas/was, 36-smi/woj, 37bue/gar, 37-loz/dya, 37-mas/was, 39-gro/wac, 39-mas/pax, 39-was/beg, 41-ano-1, 42-gei, 42-sch, 42tra/was, 42-zei/sch, 43-ano, 43-ano-2, 43-pla, 44-can, 44-sch, 46-ber/bon, 46-gei/can, 46-gib/tho, 48-vog6, 49-den/fid, 49-foe/fen, 49-for/ros, 49-gel/mar, 49-kre/wie, 49-til/pes, 50-ber/wei, 50-tei/gor, 53-par/cha, 53-tre, 54-dur/gla, 54-gri/jes, 55-bak, 55-bor/pep, 55-cut/jon, 55-gar/hal, 55-ham/sto, 55-web, 56-ano-5, 56-baw/hil, 56-tor-2, 57-mur/las, 58-hol/len, 58-lin/van, 59-yen/ree, 60-fro/shr, 60-ter/kep, 61-del, 61-fin, 61-shi/hil, 63-fis, 63-man/she] cont.



23

ρ

ρ

Further references: (cont.) [65-red/rao, 65-shr/pec-1, 65-wat/mcl, 66-hey/sch, 66-lin/ste, 67-han/hac, 67-roz, 67-seu/mor, 67-sum/tho, 68-des/bha, 68-eva/lin, 68-ski/cus, 68-sum/tho, 69-rod/hsu, 70-kon/lya, 70-mye/cle, 71-des/bha, 71san/fel, 71-shl-1, 72-cur/fel, 72-let, 72-li /won, 73-chi/hou, 73-mit/guh, 73-san/hut, 74-jai/nor, 74-kon/ani, 74-mye/cle, 75-hol/zie, 75-hsu/cle, 75-mil/wac, 75-mus/ver, 75-tri/raj, 76-bul/pro, 76-ezh/gol, 76-for/ben1, 76-haf/har, 76-isl/war, 76-rad/han, 76-sav/sim, 76-sun/vis, 78-vol/giu, 79-ern/gli, 79-gro-1, 79-gro-2, 79-kri/sre, 79-mur-3, 79-mye/her, 79-sin/siv, 79-sub/rao, 80-kat/wat, 80-lau/ric, 80-pit/sur, 80-pra/vis, 80rao/sur-1, 80-ric/tej, 81-asf/dul, 81-gro-1, 81-gro-6, 82-ami/pat-1, 82-gar/tar, 82-nat/nar, 82-sin/sin, 83gop/rao, 83-mon, 83-nat/tri, 84-bau/mee, 84-sin/nig, 85-alm/aww, 85-les/eic, 85-mar/bha, 85-nat/vis, 85ogi/ara, 85-sin/mah, 85-sin/sha, 85-sin/sin, 85-sin/sin-1, 85-tak/ter-1, 86-cra, 86-kar, 86-kas/kna, 86nau/wag, 86-red, 86-rit/pap, 86-sae/com, 86-sin/sin, 86-tar/aic, 86-tar/dia-1, 87-dah/dag, 87-shi/oga, 88aww/sal, 88-cha/sur, 88-dah/sin-1, 88-fer/lap, 88-gar/cob-1, 88-pau/kru-1, 88-shi/oga, 88-sub/rao-1, 89mam/pan, 89-rai/shu, 89-ram/sur, 89-sin/sin, 90-all/bee, 90-asf/sid-1, 90-che/pet, 90-fer/lap, 90-mal/rao, 91-aiz/kat, 91-ric/lau, 91-wil/jim, 92-qin/hof, 92-qin/hof-1, 92-yos/kat, 93-hai/guo, 94-sha/sin, 94-sin/kal, 95-hai/cha, 95-hai/min-1, 95-pet/gas, 95-ram/rao].


cont.


24


Methylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

170.00 180.00 190.00 200.00 210.00 220.00 230.00 240.00 250.00 260.00 270.00 280.00 290.00 293.15 298.15


T K

982.74 ± 3.60 972.87 ± 2.98 963.14 ± 2.42 953.53 ± 1.93 944.02 ± 1.51 934.60 ± 1.14 925.25 ± 0.82 915.95 ± 0.56 906.70 ± 0.35 897.47 ± 0.18 888.25 ± 0.05 879.02 ± 0.05 869.76 ± 0.05 866.84 ± 0.05 862.19 ± 0.05

1,2-Dimethylbenzene

300.00 310.00 320.00 330.00 340.00 350.00 360.00 370.00 380.00 390.00 400.00 410.00 420.00 430.00 440.00


T K

860.47 ± 0.05 851.13 ± 0.05 841.71 ± 0.05 832.21 ± 0.05 822.61 ± 0.09 812.89 ± 0.19 803.03 ± 0.30 793.03 ± 0.42 782.86 ± 0.55 772.52 ± 0.69 761.98 ± 0.82 751.22 ± 0.96 740.24 ± 1.09 729.02 ± 1.21 717.53 ± 1.32

[95-47-6]

450.00 460.00 470.00 480.00 490.00 500.00 510.00 520.00 530.00 540.00 550.00 560.00 570.00 580.00 590.00

C8H10

ρ ± σ fit kg ⋅ m−3 705.78 ± 1.41 693.73 ± 1.49 681.38 ± 1.55 668.16 ± 1.58 652.82 ± 1.60 636.16 ± 1.68 618.78 ± 2.22 600.91 ± 6.59 582.45 ± 7.50 562.91 ± 5.07 541.41 ± 2.61 516.53 ± 2.07 485.92 ± 1.95 444.61 ± 2.10 367.54 ± 6.29

MW = 106.17

3


Coefficient

A B A B C D E

T = 250.20 to 502.00 K T = 502.00 to 630.30 K ρ = A + BT + CT 2 + DT 3 + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] crystal 1.1178 · 103 -4.0 · 10-1 liquid 1.05174 · 103 1.03412 -1.60308 · 10-5 -2.16363 · 10-2 -3.74223 · 10-3 1.92797 · 10-4 -6 7.97764 · 10 -5.90553 · 10-7 -9 -6.92785 · 10

cont.



25


248.0 205.0 214.0 221.0 232.0 233.0 238.0 243.0 245.0 253.15 263.15 273.15 283.15 293.15 303.15 313.15 323.15 333.15 343.15 353.15 363.15 373.15 383.15 393.15 403.15 250.20 273.15 288.15 302.85 319.55 333.62 352.60 379.20 399.15 428.05 293.15 298.15 293.15 298.15 303.15 273.15 288.15 303.15 1)


kg ⋅ m


crystal 990.4 ± 0.6 -28.2 1036.0 ±3.6 0.2 1033.0 ±3.6 0.8 1030.0 ±3.6 0.6 1025.0 ±3.6 0.0 1024.0 ±3.6 -0.6 1022.0 ±3.5 -0.6 1020.0 ±3.5 -0.6 1020.0 ±3.5 0.2 liquid 912.40 ± 0.50 -0.49 904.00 ± 0.50 -0.75 895.50 ± 0.50 -1.05 887.20 ± 0.50 -1.08 879.30 ± 0.50 -0.66 870.60 ± 0.50 -0.97 862.30 ± 0.50 -0.82 854.10 ± 0.50 -0.51 845.80 ± 0.50 -0.23 837.60 ± 0.50 0.23 829.60 ± 0.50 0.97 821.60 ± 0.50 1.81 813.20 ± 0.50 2.35 804.80 ± 0.50 3.02 796.60 ± 0.50 4.02 786.60 ± 0.50 3.37 915.93 ± 0.30 0.65 896.90 ± 0.30 0.35 884.23 ± 0.30 0.10 871.78 ± 0.30 -0.04 857.63 ± 0.30 -0.05 845.56 ± 0.30 -0.07 829.43 ± 0.30 0.32 805.71 ± 0.30 0.33 787.80 ± 0.30 0.81 764.27 ± 0.30 5.10 880.02 ± 0.05 0.06 875.81 ± 0.05 0.04 880.18 ± 0.10 0.22 875.94 ± 0.10 0.17 871.84 ± 0.10 0.27 896.90 ± 0.15 0.35 884.26 ± 0.15 0.13 871.58 ± 0.15 0.01

2)

61-sch/sau 76-hus/sch 76-hus/sch 76-hus/sch 76-hus/sch 76-hus/sch 76-hus/sch 76-hus/sch 76-hus/sch

32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei1) 32-hei(✕ ) 32-hei1) 32-hei1) 32-hei1) 36-mas(✕ ) 36-mas1) 36-mas1) 36-mas1) 36-mas1) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas1) 46-for/gla( ) 46-for/gla( ) 49-for/ros(✕ ) 49-for/ros(✕ ) 49-for/ros(✕ ) 55-tim/hen(✕ ) 55-tim/hen(✕ ) 55-tim/hen1)

T K

373.15 383.15 393.15 403.15 413.15 423.15 433.15 443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 553.15 563.15 573.15 583.15 593.15 603.15 608.15 293.15 313.15 333.15 293.15 303.15 313.15 323.15 333.15 343.15 353.15 363.15 293.15 298.15 303.15 320.00 340.00 360.00 380.00 400.00 420.00


kg ⋅ m

808.80 ± 1.00 800.50 ± 1.00 791.60 ± 1.00 782.30 ± 1.00 773.30 ± 1.00 764.00 ± 1.00 754.50 ± 1.00 743.30 ± 1.00 732.70 ± 1.00 720.90 ± 1.00 710.20 ± 1.00 696.60 ± 1.00 684.20 ± 1.00 671.70 ± 1.00 657.80 ± 1.00 643.30 ± 1.00 629.70 ± 1.00 615.70 ± 1.00 600.90 ± 1.00 585.00 ± 1.00 566.70 ± 1.00 544.60 ± 1.00 523.70 ± 1.00 500.00 ± 1.00 481.20 ± 1.00 879.99 ± 0.20 863.36 ± 0.20 846.43 ± 0.20 880.14 ± 0.30 871.73 ± 0.30 863.28 ± 0.30 854.72 ± 0.30 846.13 ± 0.30 837.50 ± 0.30 828.80 ± 0.30 819.99 ± 0.30 880.14 ± 0.12 875.94 ± 0.12 871.74 ± 0.12 857.35 ± 0.12 840.16 ± 0.12 822.61 ± 0.12 804.72 ± 0.13 786.21 ± 0.13 767.08 ± 0.13


-2.05 -1.28 -0.98 -0.93 -0.41 -0.00 0.42 -0.62 -0.80 -1.90 -1.58 -3.81 -4.47 -4.80 -4.91 -4.09 -1.73 0.38 1.69 2.12 0.95 -2.32 -1.32 1.89 -0.66 0.03 0.24 0.40 0.18 0.16 0.16 0.11 0.10 0.13 0.17 0.20 0.18 0.17 0.17 0.05 0.05 0.02 0.07 0.01 -0.00

57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 58-pet/smy1) 58-pet/smy1) 58-pet/smy(✕ ) 65-shr/pec-11) 65-shr/pec-11) 65-shr/pec-11) 65-shr/pec-11) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 72-hal/tow(✕ ) 72-hal/tow1) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ )

Not included in Fig. 1. 2)Not included in calculation


26


1,2-Dimethylbenzene (cont.) Table 2. (cont.) T K

440.00 460.00 470.00 480.00 490.00 298.15 298.15 298.15 298.15 254.05 254.05 254.05 258.13 258.13 258.14 263.12 263.13 263.13 268.12 268.12 268.12 273.16 273.16 273.16 278.15 278.15 278.15 283.17 283.17 283.17 1)


kg ⋅ m

747.09 ± 0.13 726.16 ± 0.14 715.29 ± 0.14 704.06 ± 0.14 692.46 ± 0.16 875.39 ± 0.10 875.88 ± 0.10 875.12 ± 0.10 876.00 ± 0.10 912.17 ± 0.20 912.18 ± 0.20 912.18 ± 0.20 908.77 ± 0.20 908.77 ± 0.20 908.77 ± 0.20 904.61 ± 0.20 904.61 ± 0.20 904.61 ± 0.20 900.44 ± 0.20 900.45 ± 0.20 900.45 ± 0.20 896.25 ± 0.20 896.25 ± 0.20 896.25 ± 0.20 892.08 ± 0.20 892.08 ± 0.20 892.09 ± 0.20 887.89 ± 0.20 887.89 ± 0.20 887.89 ± 0.20


-0.06 -0.04 0.01 0.03 0.05 -0.38 0.11 -0.65 0.23 0.01 0.02 0.02 -0.07 -0.07 -0.07 -0.16 -0.16 -0.16 -0.24 -0.23 -0.23 -0.29 -0.29 -0.29 -0.34 -0.34 -0.33 -0.37 -0.37 -0.37

72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 72-hal/tow(✕ ) 85-alm/aww( ) 85-sin/sha(◆) 86-sae/com(∆) 88-dah/sin-1(∇) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31)

{

T K

288.15 288.15 288.15 293.18 293.18 293.18 298.12 298.12 298.12 303.16 303.16 303.16 308.15 308.15 308.15 313.17 313.17 313.18 318.08 318.08 318.08 323.21 323.22 318.15 323.15 328.15 358.15 363.15 368.15 373.15


kg ⋅ m

883.71 ± 0.20 883.72 ± 0.20 883.72 ± 0.20 879.50 ± 0.20 879.50 ± 0.20 879.50 ± 0.20 875.34 ± 0.20 875.34 ± 0.20 875.34 ± 0.20 871.09 ± 0.20 871.09 ± 0.20 871.09 ± 0.20 866.87 ± 0.20 866.87 ± 0.20 866.87 ± 0.20 862.62 ± 0.20 862.62 ± 0.20 862.62 ± 0.20 858.44 ± 0.20 858.44 ± 0.20 858.44 ± 0.20 854.07 ± 0.20 854.07 ± 0.20 858.50 ± 0.30 854.33 ± 0.30 850.40 ± 0.30 824.12 ± 0.30 819.73 ± 0.30 815.40 ± 0.30 810.24 ± 0.30


-0.42 -0.41 -0.41 -0.43 -0.43 -0.43 -0.46 -0.46 -0.46 -0.47 -0.47 -0.47 -0.49 -0.49 -0.49 -0.49 -0.49 -0.48 -0.50 -0.50 -0.50 -0.49 -0.48 -0.38 -0.28 0.07 -0.10 -0.06 0.06 -0.61

92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 93-gar/ban1) 93-gar/ban1) 93-gar/ban1) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ )


Further references: [1883-sch-3, 1884-sch-6, 1887-neu, 1891-gla, 1892-lan/jah, 1893-sch, 1894-bru-1, 1894-tho/rod-1, 1896-per, 02-pat, 12-mor/dag, 12-ric/stu, 13-haw, 14-kre/gug, 14-kre/mei, 14-kre/mei-2, 19-von, 20-har/cla, 24-ric/spe, 26-mat, 32-hof/lan, 32-mil, 32-whi/ros, 32-zel/mar, 36-mar-1, 37-loz/dya, 37-mul, 39-gro/wac, 40-ano, 42-gei, 43-ano, 43-ano-2, 43-ham/mca, 44-ano, 44-can, 44-sch, 46-boo/gre, 46-gei/can, 46-gib/tho, 49-boo/hen, 49-foe/fen, 53-kol/gri, 54-smi/otv, 57-pet/smy, 58-pan/mak-1, 60fro/shr, 61-sch/sau, 63-plu/dow, 69-rod/hsu, 70-gal, 75-mil/wac, 76-hus/sch, 77-jai/bag, 79-kri/sre, 80pit/sur, 80-pro/ram, 83-gop/rao, 84-sin/nig, 85-tak/ter-1, 86-tar/dia-1, 87-dah/dag, 88-jas/nag, 88-rat, 90che/pet, 90-mal/rao, 90-ser/sil, 92-qin/hof, 93-hai/guo, 94-sha/sin, 94-sin/kal, 95-aic/jun, 95-hai/cha, 95hai/min-1, 95-pet/gas, 95-toj/dia]. cont.


27

ρ

ρ





T K


T K


200.00 210.00

1037.8 ±0.5 1033.8 ± 0.5

220.00 230.00

crystal 1029.8 ± 0.5 1025.8 ± 0.5

240.00 250.00

1021.8 ± 0.5 1017.8 ± 0.5

250.00 260.00 270.00 280.00 290.00 293.15

915.44 ± 0.14 907.32 ± 0.15 899.14 ± 0.16 890.89 ± 0.17 882.58 ± 0.19 879.96 ± 0.19

298.15 300.00 310.00 320.00 330.00 340.00

liquid 875.77 ± 0.20 874.22 ± 0.20 865.79 ± 0.22 857.30 ± 0.23 848.74 ± 0.25 840.11 ± 0.27

350.00 360.00 370.00 380.00 390.00 400.00

831.39 ± 0.28 822.59 ± 0.30 813.68 ± 0.31 804.65 ± 0.33 795.50 ± 0.35 786.20 ± 0.36 cont.


28


1,2-Dimethylbenzene (cont.) Table 3. (cont.)


T K

776.73 ± 0.38 767.08 ± 0.39 757.23 ± 0.41 747.15 ± 0.43 736.81 ± 0.44 726.20 ± 0.46 715.28 ± 0.47 704.03 ± 0.49

410.00 420.00 430.00 440.00 450.00 460.00 470.00 480.00


T K

490.00 500.00 510.00 520.00 530.00 540.00 550.00 560.00

1,3-Dimethylbenzene

T K

692.41 ± 0.51 680.39 ± 0.54 667.27 ± 1.14 652.32 ± 1.14 636.49 ± 1.14 620.40 ± 1.14 604.29 ± 1.14 588.07 ± 1.14

[108-38-3]

570.00 580.00 590.00 600.00 610.00 620.00 630.00

C8H10

ρ ± σ fit kg ⋅ m−3 571.28 ± 1.14 553.11 ± 1.14 532.35 ± 1.14 507.29 ± 1.14 475.21 ± 1.14 430.44 ± 1.14 326.67 ± 1.14

MW = 106.17

4


T = 243.13 to 493.60 K T = 493.60 to 617.00 K ρ = A + BT + CT 2 + DT 3 + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] 3 1.18288 · 10 1.10757 -1.57531 -2.19957 · 10-2 2.53122 · 10-3 1.88426 · 10-4 -6 -2.95434 · 10 -5.69424 · 10-7

Coefficient

A B C D


225.31 361.95 362.45 381.45 381.85 393.65 394.95 1)


kg ⋅ m

crystal 1016.0 ± 2.9 liquid 805.86 ± 0.30 805.50 ± 0.30 787.20 ± 0.30 786.65 ± 0.30 774.81 ± 0.30 774.25 ± 0.30


61-sch/sau 1.64 1.73 0.89 0.71 0.03 0.71

1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ )

T K

402.35 402.36 411.25 411.26 412.25 412.26 273.15 291.98 295.77


kg ⋅ m

766.37 ± 0.30 766.45 ± 0.30 757.97 ± 0.30 757.93 ± 0.30 756.56 ± 0.30 756.83 ± 0.30 881.52 ± 0.40 865.41 ± 0.40 862.14 ± 0.40


-0.02 0.07 0.32 0.29 -0.09 0.19 0.29 0.23 0.20

1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 14-tyr1) 14-tyr1) 14-tyr1)


cont.



29


302.77 312.52 323.69 332.43 349.07 352.01 372.01 273.15 307.62 333.95 293.15 298.15 293.15 298.15 303.15 373.15 383.15 393.15 403.15 413.15 423.15 433.15 443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 553.15 563.15 573.15 583.15 593.15 603.15 293.15 313.15 333.15 293.15 303.15 1)


kg ⋅ m

856.09 ± 0.40 847.66 ± 0.40 837.95 ± 0.40 830.28 ± 0.40 815.46 ± 0.40 812.91 ± 0.40 794.47 ± 0.40 882.30 ± 0.30 853.40 ± 0.30 830.40 ± 0.30 864.10 ± 0.05 859.83 ± 0.05 864.15 ± 0.10 859.88 ± 0.10 855.63 ± 0.10 797.10 ± 1.50 787.20 ± 1.50 778.20 ± 1.50 768.70 ± 1.50 759.30 ± 1.50 749.40 ± 1.50 737.60 ± 1.50 726.30 ± 1.50 714.90 ± 1.50 702.70 ± 1.50 691.00 ± 1.50 678.60 ± 1.50 667.00 ± 1.50 653.70 ± 1.50 639.70 ± 1.50 624.40 ± 1.50 609.90 ± 1.50 593.80 ± 1.50 577.10 ± 1.50 558.10 ± 1.50 537.50 ± 1.50 513.50 ± 1.50 487.60 ± 1.50 455.60 ± 1.50 864.68 ± 0.20 847.33 ± 0.20 829.84 ± 0.20 864.15 ± 0.30 855.58 ± 0.30


0.13 0.05 -0.03 -0.11 -0.30 -0.23 -0.58 1.07 1.59 1.33 -0.08 -0.08 -0.03 -0.03 -0.01 3.10 2.48 2.94 3.09 3.54 3.72 2.25 1.54 1.00 -0.03 -0.25 -0.84 -0.28 -0.34 0.22 0.11 1.08 0.74 0.44 -0.85 -1.39 -1.49 2.56 10.61 0.50 0.26 0.08 -0.03 -0.06

14-tyr1) 14-tyr1) 14-tyr1) 14-tyr1) 14-tyr1) 14-tyr1) 14-tyr(✕ ) 24-ric/spe1) 24-ric/spe1) 24-ric/spe(✕ ) 46-for/gla( ) 46-for/gla( ) 49-for/ros(∇) 49-for/ros(∇) 49-for/ros(∇) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 58-pet/smy1) 58-pet/smy1) 58-pet/smy(✕ ) 65-shr/pec1) 65-shr/pec1)

T K

313.15 323.15 333.15 343.15 353.15 363.15 293.15 298.15 303.15 320.00 340.00 360.00 380.00 400.00 420.00 440.00 460.00 470.00 480.00 490.00 298.15 298.15 243.13 243.14 243.14 248.16 248.17 248.17 253.12 253.12 253.12 258.14 258.14 258.14 263.12 263.13 263.13 268.14 268.14 268.14 273.17 273.17 273.17 278.16


kg ⋅ m

846.94 ± 0.30 838.23 ± 0.30 829.45 ± 0.30 820.56 ± 0.35 811.64 ± 0.35 802.60 ± 0.40 864.36 ± 0.12 860.09 ± 0.12 855.81 ± 0.12 841.17 ± 0.12 823.57 ± 0.12 805.69 ± 0.12 787.29 ± 0.13 768.25 ± 0.13 748.54 ± 0.13 727.90 ± 0.13 706.21 ± 0.14 694.78 ± 0.14 683.12 ± 0.14 670.90 ± 0.16 860.13 ± 0.10 859.85 ± 0.10 906.85 ± 0.15 906.84 ± 0.15 906.85 ± 0.15 902.55 ± 0.15 902.54 ± 0.15 902.55 ± 0.15 898.32 ± 0.15 898.32 ± 0.15 898.32 ± 0.15 894.04 ± 0.15 894.04 ± 0.15 894.04 ± 0.15 889.80 ± 0.15 889.79 ± 0.15 889.80 ± 0.15 885.53 ± 0.15 885.53 ± 0.15 885.53 ± 0.15 881.25 ± 0.15 881.25 ± 0.15 881.25 ± 0.15 876.99 ± 0.15


-0.13 -0.22 -0.31 -0.44 -0.48 -0.53 0.18 0.18 0.17 -0.00 -0.20 -0.29 -0.37 -0.43 -0.34 -0.23 -0.07 -0.12 -0.08 -0.25 0.22 -0.06 -0.19 -0.19 -0.18 -0.13 -0.14 -0.13 -0.08 -0.08 -0.08 -0.04 -0.04 -0.04 -0.01 -0.01 -0.00 0.02 0.02 0.02 0.03 0.03 0.03 0.03

65-shr/pec1) 65-shr/pec1) 65-shr/pec1) 65-shr/pec(✕ ) 65-shr/pec(✕ ) 65-shr/pec1) 72-hal/tow1) 72-hal/tow1) 72-hal/tow1) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow1) 72-hal/tow1) 85-alm/aww( ) 88-dah/sin-1(∆) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ )

{


cont.


30


1,3-Dimethylbenzene (cont.) Table 2. (cont.) T K

278.17 278.17 283.14 283.15 283.15 288.15 288.15 288.15 293.20 293.20 293.20 293.20 298.14 298.14 298.15 303.26 303.26 303.26 308.11 1)


kg ⋅ m

876.99 ± 0.15 876.99 ± 0.15 872.74 ± 0.15 872.74 ± 0.15 872.74 ± 0.15 868.46 ± 0.15 868.46 ± 0.15 868.46 ± 0.15 864.14 ± 0.15 864.13 ± 0.15 864.14 ± 0.15 864.14 ± 0.15 859.89 ± 0.15 859.89 ± 0.15 859.89 ± 0.15 855.49 ± 0.15 855.48 ± 0.15 855.49 ± 0.15 851.30 ± 0.15


0.04 0.04 0.03 0.04 0.04 0.02 0.02 0.02 0.00 -0.01 0.00 0.00 -0.03 -0.03 -0.02 -0.06 -0.07 -0.06 -0.09

92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31)

T K

308.11 308.12 313.08 313.08 313.08 318.26 318.15 323.15 328.15 333.15 338.15 343.15 348.15 353.15 358.15 363.15 368.15 373.15


kg ⋅ m

851.30 ± 0.15 851.30 ± 0.15 847.00 ± 0.15 847.01 ± 0.15 847.01 ± 0.15 842.50 ± 0.15 842.20 ± 0.30 838.09 ± 0.30 833.19 ± 0.30 829.36 ± 0.30 824.49 ± 0.30 820.49 ± 0.30 816.00 ± 0.30 811.25 ± 0.30 806.68 ± 0.30 802.42 ± 0.30 797.65 ± 0.30 792.99 ± 0.30


-0.09 -0.08 -0.13 -0.12 -0.12 -0.17 -0.57 -0.36 -0.93 -0.40 -0.90 -0.51 -0.57 -0.87 -0.96 -0.71 -0.94 -1.01

92-ano-31) 92-ano-31) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 92-ano-3(✕ ) 93-gar/ban1) 93-gar/ban1) 93-gar/ban(✕ ) 93-gar/ban1) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ )


Further references: [1883-sch-3, 1884-gla, 1884-sch-6, 1886-bru, 1891-gla, 1892-lan/jah, 1894-tho/rod1, 1896-per, 02-pat, 08-ric/mat, 12-mor/dag, 12-wal/swi, 13-haw, 14-kre/mei, 14-kre/mei-2, 19-von, 24mil, 26-mat, 28-ric/rob, 29-ham/and, 30-fis/kle, 30-tim/hen, 31-dec, 32-gri/kof, 32-hei, 32-hof/lan, 32whi/ros, 32-zel/mar, 33-azi/bha, 35-mil, 36-mar-1, 36-mas, 37-loz/dya, 39-gro/wac, 40-ano, 42-gei, 43ano, 43-ano-2, 43-ham/mca, 44-ano, 44-ano-2, 44-can, 44-sch, 46-gei/can, 48-rey/ebe, 49-foe/fen, 49vve/tak, 50-nic/hei, 50-par/gol, 50-tei/gor, 51-ano, 53-par/cha, 55-cut/jon, 56-ano, 57-pet/smy, 60-fro/shr, 61-sch/sau, 63-plu/dow, 65-shr/pec-1, 67-seu/mor, 69-rod/hsu, 70-gal, 74-jai/nor, 75-mil/wac, 79-kri/sre, 80-cha/ses, 80-pit/sur, 83-gop/rao, 86-osh/han, 86-tar/dia-1, 87-dah/dag, 88-jas/nag, 90-ser/sil, 91-ric/lau, 92-qin/hof, 93-hai/guo, 94-sha/sin, 94-sin/kal, 95-aic/jun, 95-hai/cha, 95-hai/min-1, 95-toj/dia].

cont.


31

ρ

ρ




240.00 250.00 260.00 270.00 280.00 290.00 293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 909.76 ± 0.16 901.09 ± 0.15 892.49 ± 0.14 883.92 ± 0.14 875.39 ± 0.14 866.86 ± 0.14 864.18 ± 0.15 859.91 ± 0.15 858.33 ± 0.15

T K

310.00 320.00 330.00 340.00 350.00 360.00 370.00 380.00 390.00

ρ ± σ fit kg ⋅ m−3 849.77 ± 0.16 841.17 ± 0.17 832.51 ± 0.19 823.77 ± 0.21 814.93 ± 0.23 805.98 ± 0.26 796.89 ± 0.28 787.66 ± 0.32 778.26 ± 0.35

T K

400.00 410.00 420.00 430.00 440.00 450.00 460.00 470.00 480.00

ρ ± σ fit kg ⋅ m−3 768.68 ± 0.39 758.89 ± 0.43 748.88 ± 0.47 738.63 ± 0.52 728.13 ± 0.57 717.35 ± 0.62 706.28 ± 0.68 694.90 ± 0.74 683.20 ± 0.81 cont.


32


1,3-Dimethylbenzene (cont.) Table 3. (cont.)


T K

671.15 ± 0.88 658.39 ± 1.13 644.16 ± 1.13 629.11 ± 1.13 613.72 ± 1.13

490.00 500.00 510.00 520.00 530.00


T K

540.00 550.00 560.00 570.00 580.00

1,4-Dimethylbenzene

T K

598.07 ± 1.13 581.93 ± 1.13 564.73 ± 1.13 545.54 ± 1.13 523.04 ± 1.13

[106-42-3]

590.00 600.00 610.00

C8H10

ρ ± σ fit kg ⋅ m−3 495.31 ± 1.13 459.11 ± 1.13 406.14 ± 1.13

MW = 106.17

5


T = 273.15 to 493.00 K T = 493.00 to 616.20 K 2 3 ρ = A + BT + CT + DT + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] 1.03587 · 103 1.15837 -1.54210 · 10-5 -2.52183 · 10-2 -3.79683 · 10-3 2.31182 · 10-4 -6 8.08567 · 10 -7.29675 · 10-7 -9 -7.08870 · 10

Coefficient

A B C D E


286.6 286.4 360.05 360.05 380.05 380.25 392.35 402.75 402.76 410.25 1)


kg ⋅ m

crystal 1052.0 ± 2.0 1058.5 ± 4.2 liquid 801.87 ± 0.30 802.13 ± 0.30 783.39 ± 0.30 783.08 ± 0.30 772.90 ± 0.30 759.66 ± 0.30 759.81 ± 0.30 754.27 ± 0.30


36-roz 61-sch/sau -0.06 0.20 -0.03 -0.15 1.14 -2.04 -1.88 -0.06

1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 1887-neu1) 1887-neu(✕ ) 1887-neu(✕ )

T K

410.26 411.55 411.55 273.15 293.15 296.05 307.90 313.15 333.95 293.15 313.15 333.15


kg ⋅ m

754.19 ± 0.30 753.01 ± 0.30 753.04 ± 0.30 877.90 ± 0.30 861.10 ± 0.30 858.90 ± 0.30 849.20 ± 0.30 844.40 ± 0.30 826.90 ± 0.30 861.00 ± 0.30 843.70 ± 0.30 826.00 ± 0.40


-0.13 -0.03 0.00 -0.00 0.18 0.46 0.98 0.73 1.50 0.08 0.03 -0.11

1887-neu(✕ ) 1887-neu(✕ ) 1887-neu(✕ ) 24-ric/spe(✕ ) 24-ric/spe1) 24-ric/spe1) 24-ric/spe1) 24-ric/spe1) 24-ric/spe(✕ ) 34-fai1) 34-fai1) 34-fai1)




33


353.15 373.15 393.15 293.15 298.15 293.15 298.15 303.15 423.15 433.15 443.15 453.15 463.15 473.15 483.15 493.15 503.15 513.15 523.15 533.15 543.15 553.15 563.15 573.15 583.15 593.15 603.15 608.15 613.15 293.15 303.15 313.15 323.15 1)


kg ⋅ m

808.10 ± 0.40 790.20 ± 0.40 772.40 ± 0.40 860.98 ± 0.05 856.63 ± 0.05 861.03 ± 0.10 856.67 ± 0.10 852.44 ± 0.10 743.00 ± 1.50 733.00 ± 1.50 722.00 ± 1.50 707.00 ± 1.50 696.60 ± 1.50 684.30 ± 1.50 671.70 ± 1.50 659.60 ± 1.50 647.30 ± 1.50 634.30 ± 1.50 619.60 ± 1.50 604.00 ± 1.50 587.30 ± 1.50 569.90 ± 1.50 551.00 ± 1.50 530.40 ± 1.50 503.80 ± 1.50 475.70 ± 1.50 440.90 ± 1.50 421.20 ± 1.50 396.80 ± 1.50 861.08 ± 0.20 852.43 ± 0.20 843.68 ± 0.20 834.88 ± 0.20


-0.10 0.34 1.41 0.06 -0.00 0.11 0.04 0.11 1.62 1.93 1.48 -2.68 -1.94 -2.76 -3.51 -3.36 -1.86 0.59 1.98 2.55 1.97 0.95 -0.58 -1.67 -4.92 -3.34 2.41 10.53 26.65 0.16 0.10 0.01 -0.05

34-fai1) 34-fai(✕ ) 34-fai(✕ ) 46-for/gla( ) 46-for/gla( ) 49-for/ros1) 49-for/ros1) 49-for/ros(∇) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 57-fra1) 57-fra1) 57-fra1) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra(✕ ) 57-fra1) 65-shr/pec-11) 65-shr/pec-11) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ )

{ {

T K

333.15 343.15 353.15 363.15 293.15 298.15 303.15 320.00 340.00 360.00 380.00 400.00 420.00 440.00 460.00 470.00 480.00 490.00 303.15 318.15 323.15 328.15 333.15 338.15 343.15 348.15 353.15 358.15 363.15 368.15 373.15 298.15


kg ⋅ m

826.02 ± 0.20 817.08 ± 0.20 808.08 ± 0.20 799.01 ± 0.20 860.98 ± 0.12 856.61 ± 0.12 852.25 ± 0.12 837.55 ± 0.12 819.82 ± 0.12 801.77 ± 0.12 783.22 ± 0.13 764.14 ± 0.13 744.38 ± 0.13 723.78 ± 0.13 702.00 ± 0.14 690.65 ± 0.14 678.86 ± 0.14 666.67 ± 0.16 852.30 ± 0.10 839.03 ± 0.30 835.10 ± 0.30 830.07 ± 0.30 825.82 ± 0.30 821.43 ± 0.30 817.04 ± 0.30 812.51 ± 0.30 807.56 ± 0.30 803.10 ± 0.30 798.73 ± 0.30 794.27 ± 0.30 789.29 ± 0.30 856.58 ± 0.03


-0.09 -0.12 -0.12 -0.08 0.06 -0.02 -0.08 -0.14 -0.20 -0.20 -0.25 -0.24 -0.19 -0.09 -0.08 -0.06 -0.12 -0.19 -0.03 -0.28 0.17 -0.46 -0.29 -0.24 -0.16 -0.21 -0.64 -0.56 -0.36 -0.22 -0.57 -0.05

65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 65-shr/pec-1(✕ ) 72-hal/tow1) 72-hal/tow1) 72-hal/tow1) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow(◆) 72-hal/tow1) 72-hal/tow1) 85-nat/vis(∆) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 95-hai/cha( )


Further references: [1884-gla, 1884-sch-6, 1888-pin, 1891-gla, 1892-lan/jah, 1893-sch, 1894-tho/rod-1, 1896-per, 02-pat, 08-ric/mat, 12-blo, 12-mor/dag, 13-haw, 14-kre/gug, 14-kre/mei, 14-kre/mei-2, 19-von, 20-har/cla, 25-gil/bea-2, 25-lew, 26-bri, 26-mat, 26-tim/mar-1, 31-adk/fol-1, 32-cha, 32-hei, 32-vor/fis, 32-whi/ros, 32-zel/mar, 35-mil, 36-kaz/pla, 36-mar-1, 36-mas, 37-loz/dya, 37-mul, 39-gro/wac, 40-ano, 41-sch/sch-1, 42-ark/mee, 42-gei, 43-ano-2, 43-ham/mca, 44-ano, 44-can, 44-sch, 45-gre/vog-1, 46-ano-8, 46-boo/gre, 46-gei/can, 46-gib/tho, 49-boo/hen, 49-foe/fen, 49-til/pes, 50-bry/tur, 53-tre, 54-eva/smi, 56ano, 58-pan/mak-1, 60-fro/shr, 61-fin, 61-shi/hil, 63-plu/dow, 68-gaw/swi-1, 69-rod/hsu, 70-bag/raj, 70gal, 70-pur/raj, 71-hyd/sub, 72-soo/bag, 75-mil/wac, 76-abs/tut, 76-rad/han, 77-bag/kat] cont.


34


1,4-Dimethylbenzene (cont.) Further references: (cont)

ρ

ρ

[79-kri/sre, 79-mur-4, 80-cha/ses, 80-pit/sur, 82-nat/nar, 82-rao/vis, 82-rao/vis-1, 82-vis/rao, 83-gop/rao, 83-nat/tri, 84-sin/nig, 85-alm/aww, 85-mar/bha, 85-sin/mah, 85-sin/sha, 86-tar/aic, 86-tar/dia-1, 87bag/rat, 87-dah/dag, 87-man/ami, 87-yad/yad, 88-aww/sal, 88-cha/sur, 88-dah/sin-1, 88-fer/lap, 88jas/nag, 88-rat, 90-che/pet, 90-fer/lap, 90-ser/sil, 91-wil/jim, 92-qin/hof, 93-hai/guo, 94-bla/bel, 94sha/sin, 94-sin/kal, 95-aic/jun, 95-hai/min-1, 95-pet/gas, 95-toj/dia].


cont.



35

Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

T K

880.55 ± 0.12 872.12 ± 0.12 863.61 ± 0.13 860.92 ± 0.13 856.63 ± 0.14 855.04 ± 0.15 846.40 ± 0.17 837.69 ± 0.19 828.90 ± 0.21 820.02 ± 0.24 811.05 ± 0.26 801.97 ± 0.28 792.79 ± 0.30

270.00 280.00 290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00 350.00 360.00 370.00

380.00 390.00 400.00 410.00 420.00 430.00 440.00 450.00 460.00 470.00 480.00 490.00 500.00

Ethylbenzene


T K

783.47 ± 0.32 774.00 ± 0.35 764.38 ± 0.37 754.58 ± 0.39 744.57 ± 0.41 734.35 ± 0.44 723.87 ± 0.46 713.13 ± 0.48 702.08 ± 0.50 690.71 ± 0.53 678.98 ± 0.57 666.86 ± 0.61 653.75 ± 0.92

[100-41-4]

510.00 520.00 530.00 540.00 550.00 560.00 570.00 580.00 590.00 600.00 610.00

C8H10

ρ ± σ fit kg ⋅ m−3 638.68 ± 0.92 622.71 ± 0.92 606.54 ± 0.92 590.41 ± 0.92 574.17 ± 0.92 557.22 ± 0.92 538.54 ± 0.92 516.62 ± 0.92 489.28 ± 0.92 452.91 ± 0.92 397.96 ± 0.92

MW = 106.17

6

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 2.7774 · 10-1 (combined temperature ranges, weighted), σc,uw = 4.4148 · 10-2 (combined temperature ranges, unweighted). T = 178.05 to 490.00 K ρ = A + BT + CT 2 + DT 3 + … 1.16629 · 103 -1.35889 1.81018 · 10-3 -2.24496 · 10-6

Coefficient A B C D


20.0 20.0 283.05 408.85 408.85 1)


kg ⋅ m

crystal 1085.6 ± 5.6 1087.8 ± 5.6 liquid 876.00 ± 1.00 761.10 ± 1.00 761.20 ± 1.00


30-heu 30-heu 0.22 1.23 1.33

1883-sch-31) 1883-sch-3(✕ ) 1883-sch-3(✕ )

T K

409.05 178.05 189.54 227.95 250.25 273.15 288.00


kg ⋅ m

761.10 ± 1.50 968.07 ± 0.40 957.96 ± 0.40 924.13 ± 0.40 904.62 ± 0.40 884.56 ± 0.40 871.50 ± 0.40


1.43 -0.99 -0.51 0.13 0.21 0.14 0.05

1884-sch-6(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas1) 36-mas1) 36-mas1)



36


Ethylbenzene (cont.) Table 2. (cont.) T K

300.05 318.65 333.10 352.85 370.75 399.05 313.15 333.35 374.05 293.15 298.15 293.15 298.15 303.15 293.15 313.15 333.15 293.15 298.15 303.15 320.00 360.00 380.00 400.00 420.00 440.00 460.00 470.00 480.00 490.00 293.15 303.15 313.15 323.15 298.15 308.15 243.12 243.12 243.13 248.12 248.12 248.13 250.04 1)


kg ⋅ m

860.83 ± 0.40 844.10 ± 0.40 831.36 ± 0.50 813.71 ± 0.50 796.93 ± 0.50 770.14 ± 0.50 848.90 ± 0.50 830.20 ± 0.50 793.50 ± 0.50 866.94 ± 0.05 862.56 ± 0.05 867.00 ± 0.10 862.62 ± 0.10 858.26 ± 0.10 866.97 ± 0.20 849.47 ± 0.20 831.69 ± 0.20 866.96 ± 0.12 862.53 ± 0.12 858.15 ± 0.12 843.19 ± 0.12 806.88 ± 0.12 788.12 ± 0.13 768.77 ± 0.13 748.76 ± 0.13 727.87 ± 0.13 705.97 ± 0.13 694.50 ± 0.14 682.73 ± 0.14 670.45 ± 0.16 867.08 ± 0.35 857.98 ± 0.35 848.68 ± 0.34 839.78 ± 0.33 862.25 ± 0.10 853.10 ± 0.20 910.64 ± 0.15 910.65 ± 0.15 910.63 ± 0.15 906.29 ± 0.15 906.29 ± 0.15 906.28 ± 0.15 904.61 ± 0.15


-0.05 -0.35 -0.16 0.15 0.03 0.51 -0.43 -1.10 -0.28 0.00 0.01 0.06 0.07 0.10 0.03 0.14 0.21 0.02 -0.02 -0.01 -0.06 -0.07 0.00 0.08 0.21 0.27 0.25 0.09 -0.09 -0.49 0.14 -0.18 -0.65 -0.66 -0.30 -0.65 -0.01 -0.00 -0.02 0.02 0.02 0.01 0.02

36-mas1) 36-mas1) 36-mas1) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 37-bue/gar1) 37-bue/gar1) 37-bue/gar(✕ ) 46-for/gla( ) 46-for/gla( ) 49-for/ros(∆) 49-for/ros(∆) 49-for/ros(∆) 58-pet/smy1) 58-pet/smy(✕ ) 58-pet/smy(✕ ) 72-hal/tow1) 72-hal/tow1) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 79-mal/pat1) 79-mal/pat1) 79-mal/pat1) 79-mal/pat(✕ ) 85-alm/aww( ) 88-sub/rao-1(✕ ) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-31)

{

T K

250.04 250.05 250.06 253.14 253.14 253.15 253.15 258.14 258.15 258.16 263.14 263.14 263.14 263.15 268.13 268.14 268.14 268.14 273.14 273.14 273.15 278.14 278.14 278.14 283.15 283.15 283.15 288.14 288.14 288.15 293.16 293.16 293.17 293.17 298.17 298.17 298.17 303.15 303.15 303.15 318.15 323.15 328.15


kg ⋅ m

904.61 ± 0.15 904.61 ± 0.15 904.61 ± 0.15 901.92 ± 0.15 901.92 ± 0.15 901.91 ± 0.15 901.91 ± 0.15 897.56 ± 0.15 897.56 ± 0.15 897.55 ± 0.15 893.21 ± 0.15 893.21 ± 0.15 893.21 ± 0.15 893.20 ± 0.15 888.86 ± 0.15 888.86 ± 0.15 888.86 ± 0.15 888.85 ± 0.15 884.49 ± 0.15 884.49 ± 0.15 884.49 ± 0.15 880.13 ± 0.15 880.13 ± 0.15 880.13 ± 0.15 875.75 ± 0.15 875.75 ± 0.15 875.75 ± 0.15 871.38 ± 0.15 871.38 ± 0.15 871.37 ± 0.15 866.97 ± 0.15 866.97 ± 0.15 866.97 ± 0.15 866.97 ± 0.15 862.56 ± 0.15 862.56 ± 0.15 862.57 ± 0.15 858.17 ± 0.15 858.17 ± 0.15 858.17 ± 0.15 844.50 ± 0.30 840.39 ± 0.30 835.39 ± 0.30


0.02 0.02 0.03 0.04 0.04 0.04 0.04 0.04 0.05 0.05 0.06 0.06 0.06 0.06 0.06 0.07 0.07 0.06 0.06 0.06 0.07 0.07 0.07 0.07 0.06 0.06 0.06 0.05 0.05 0.05 0.04 0.04 0.05 0.05 0.02 0.02 0.03 0.01 0.01 0.01 -0.39 -0.05 -0.58

92-ano-31) 92-ano-31) 92-ano-31) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-3(◆) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 92-ano-31) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ )




37


333.15 338.15 343.15 348.15 353.15 358.15

−3

kg ⋅ m

831.18 ± 0.30 826.70 ± 0.30 822.19 ± 0.30 817.84 ± 0.30 812.73 ± 0.30 808.12 ± 0.30


-0.30 -0.27 -0.24 -0.03 -0.55 -0.55

93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ )

T K

363.15 368.15 373.15 313.15 333.15


kg ⋅ m

803.75 ± 0.30 799.10 ± 0.30 794.21 ± 0.30 849.60 ± 0.30 831.80 ± 0.30


-0.27 -0.24 -0.42 0.27 0.32

93-gar/ban(✕ ) 93-gar/ban(✕ ) 93-gar/ban(✕ ) 95-che/kna1) 95-che/kna(✕ )


ρ

ρ

1)

ρexp ± 2σ est


Further references: [1867-fit/kon, 1883-weg, 1886-bru, 1890-gar, 1892-lan/jah, 1894-tho/rod-1, 1896per, 1897-tho/rod-1, 1897-tho/rod-2, 1898-kah, 03-you/for, 08-ric/mat, 11-hil/dun, 12-dun/hil, 12mor/dag, 13-dun/hil, 16-ric/shi, 19-ric/shi, 19-von, 24-bus-1, 24-eis/sch] cont.


38


Further references: (cont.) [24-eis/sch-1, 24-ric/spe, 25-gil/bea-2, 26-mat, 26-tim/mar-1, 30-fis/kle, 31-bla/lei, 32-gar/eva, 32-hof/lan, 33-azi/bha, 33-whi/ros, 34-war/ful, 35-mal, 35-mam, 36-ipa/gro-1, 37-loz/dya, 37-mck/sow-1, 37-tsu/vik, 38-kom/mit, 38-oco/sow, 39-ano, 39-cam/oco, 39-gro/wac, 39-sch/hop, 40-ano, 42-sch, 42-van/mee, 43ano, 43-ano-2, 43-ham/mca, 45-gre/vog-1, 46-gei/can, 46-gib/tho, 48-bal/mar, 48-tsc, 48-tsc-1, 48-vog-6, 49-buc/ray, 49-foe/fen, 50-bry/tur, 51-mas/gis, 52-ano-8, 53-tre, 54-ben, 54-gri/jes, 55-dre/mar, 55jun/von, 55-yan/van, 56-web-1, 57-mal/mal, 57-pet/smy, 58-ria/vai, 59-ell/raz, 60-qoz/van, 60-ter/kep, 68ano, 69-her/ber, 69-rod/hsu, 70-bag/raj, 70-gal, 70-pur/raj, 71-kor-1, 72-soo/bag, 74-jai/nor, 75-mil/wac, 76-for/ben, 77-bag/kat, 79-gro-3, 79-gro-4, 79-gro-6, 80-pit/sur, 80-ric/tej, 81-gro-2, 81-gro-7, 83gop/rao, 85-are/rub, 86-pau/kru-1, 86-pla/sha, 86-tar/dia-1, 87-aww/aln, 87-bag/rat, 87-dew/meh, 88fer/lap, 88-jas/nag, 88-pau/kru-1, 89-sin/sin, 90-asf/sid-1, 91-wil/jim, 92-qin/hof, 92-qin/hof-1, 93com/fra, 93-hai/guo, 95-fuj/tam-1, 95-hai/cha, 95-hai/min-1, 95-ram/rao, 95-toj/dia].


170.00 180.00 190.00 200.00 210.00 220.00 230.00 240.00 250.00 260.00 270.00 280.00


T K

976.57 ± 0.23 967.25 ± 0.20 958.05 ± 0.18 948.96 ± 0.17 939.96 ± 0.16 931.05 ± 0.16 922.19 ± 0.16 913.39 ± 0.17 904.63 ± 0.18 895.89 ± 0.19 887.17 ± 0.20 878.44 ± 0.21

1-Ethyl-2-methylbenzene

290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00 350.00 360.00 370.00 380.00


T K

869.70 ± 0.22 866.94 ± 0.22 862.55 ± 0.23 860.93 ± 0.23 852.12 ± 0.24 843.25 ± 0.25 834.31 ± 0.26 825.29 ± 0.27 816.18 ± 0.28 806.95 ± 0.29 797.60 ± 0.30 788.12 ± 0.31

[611-14-3]

390.00 400.00 410.00 420.00 430.00 440.00 450.00 460.00 470.00 480.00 490.00 500.00

C9H12

ρ ± σ fit kg ⋅ m−3 778.49 ± 0.32 768.69 ± 0.33 758.71 ± 0.34 748.55 ± 0.35 738.18 ± 0.36 727.60 ± 0.37 716.78 ± 0.38 705.72 ± 0.40 694.41 ± 0.41 682.82 ± 0.42 670.94 ± 0.43 658.77 ± 0.45

MW = 120.19

7

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 6.9342 · 10-1 (combined temperature ranges, weighted), σc,uw = 2.0323 · 10-1 (combined temperature ranges, unweighted). Coefficient A B

T = 284.55 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.12141 · 103 -8.21219 · 10-1

cont.



39


284.55 284.65 285.25 293.15 293.15 284.65 285.25 293.15 288.85 289.20 293.15 1)


kg ⋅ m

888.50 ± 0.80 888.40 ± 0.80 888.40 ± 0.80 882.00 ± 2.00 882.00 ± 2.00 888.40 ± 1.50 888.40 ± 1.50 882.00 ± 1.50 884.10 ± 1.00 883.10 ± 1.00 880.80 ± 0.30


0.77 0.75 1.24 1.33 1.33 0.75 1.24 1.33 -0.10 -0.81 0.13

10-von/eis(✕ ) 10-von/eis(✕ ) 10-von/eis(✕ ) 10-von/eis1) 10-von/eis1) 18-von-2(✕ ) 18-von-21) 18-von-21) 19-von(✕ ) 19-von(✕ ) 43-ano-3(∆)

T K

293.15 293.15 293.15 293.15 293.15 298.15 303.15 293.15 293.15 293.15


kg ⋅ m

880.60 ± 0.40 880.60 ± 0.30 880.80 ± 0.30 880.60 ± 0.40 880.67 ± 0.10 876.55 ± 0.10 872.50 ± 0.10 880.40 ± 0.40 880.90 ± 0.40 878.00 ± 0.50


-0.07 -0.07 0.13 -0.07 0.00 -0.01 0.04 -0.27 0.23 -2.67

46-ano(✕ ) 46-boo/gre( ) 46-hir/fau(∇) 49-boo/hen(✕ ) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 51-kut/nic(◆) 56-ano(✕ ) 63-ano-3(✕ )

{


ρ

ρ

Further references: [24-eis/sch-1, 25-bla/mon, 34-lov/cam, 37-kur/hea, 41-ano, 43-ano, 44-kur, 49foe/fen, 57-ano-9].


cont.


40


1-Ethyl-2-methylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

T K

891.47 ± 0.32 883.25 ± 0.75

280.00 290.00

293.15 298.15



T K

880.67 ± 0.38 876.56 ± 0.20

[620-14-4]

300.00 310.00

C9H12

ρ ± σ fit kg ⋅ m−3 875.04 ± 0.30 866.83 ± 2.00

MW = 120.19

8

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.2296(combined temperature ranges, weighted), σc,uw = 1.2505 · 10-1 (combined temperature ranges, unweighted). T = 287.15 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.11636 · 103 -8.57988 · 10-1

Coefficient A B


288.15 290.15 293.15 298.15 293.15 293.15 293.15 293.15 293.15 293.15 1)


kg ⋅ m

870.20 ± 1.00 868.14 ± 1.00 865.70 ± 1.00 861.40 ± 1.00 864.70 ± 0.40 864.60 ± 0.30 864.80 ± 0.60 864.50 ± 0.05 864.40 ± 0.40 864.80 ± 0.30


1.07 0.73 0.86 0.85 -0.14 -0.24 -0.04 -0.34 -0.44 -0.04

35-hal(✕ ) 37-tsu/vik(✕ ) 41-ano1) 41-ano(✕ ) 43-ano(✕ ) 44-boo/per(◆) 44-kur(✕ ) 46-boo/gre( ) 46-ebe-2(✕ ) 46-hir/fau(✕ )

{

T K

293.15 293.15 293.15 293.15 287.15 293.15 298.15 303.15 293.15


kg ⋅ m

864.50 ± 0.05 864.50 ± 0.05 864.40 ± 0.40 864.50 ± 0.05 871.00 ± 1.00 864.50 ± 0.05 860.38 ± 0.05 856.28 ± 0.05 864.30 ± 0.40


-0.34 -0.34 -0.44 -0.34 1.02 -0.34 -0.17 0.02 -0.54

47-boo/gre( ) 47-boo/gre( ) 48-rey/ebe(✕ ) 49-boo/hen(∆) 49-buc/col(✕ ) 49-for/ros(∇) 49-for/ros(∇) 49-for/ros(∇) 51-kut/nic(✕ )


Further references: [19-von, 22-von/kol, 34-lov/cam, 37-kur/hea, 49-foe/fen, 54-car/eas, 58-lev/nic].

cont.


41

ρ

ρ




280.00 290.00


ρ ± σ fit kg ⋅ m−3 876.12 ± 2.50 867.54 ± 0.53

T K

293.15 298.15

ρ ± σ fit kg ⋅ m−3 864.84 ± 0.30 860.55 ± 0.41

T K

300.00 310.00

ρ ± σ fit kg ⋅ m−3 858.96 ± 0.40 850.38 ± 1.00

42



[622-96-8]

C9H12

MW = 120.19

9

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 5.6535 · 10-1 (combined temperature ranges, weighted), σc,uw = 1.4472 · 10-1 (combined temperature ranges, unweighted). T = 284.45 to 435.15 K ρ = A + BT + CT 2 + DT 3 + … 1.11329 · 103 -8.59482 · 10-1

ρ

ρ

Coefficient A B


cont.



43


284.45 435.15 435.15 434.95 284.45 290.15 293.15 298.15 1)

ρexp ± 2σ est


−3

kg ⋅ m

869.40 ± 1.00 739.30 ± 1.00 739.40 ± 1.00 739.30 ± 1.60 869.40 ± 1.00 864.40 ± 0.80 861.90 ± 0.80 857.38 ± 0.80

0.59 0.01 0.11 -0.16 0.59 0.48 0.56 0.34

1883-sch-3(✕ ) 1883-sch-3(✕ ) 1883-sch-3(✕ ) 1884-sch-6(✕ ) 03-von/kei(✕ ) 35-lef/lef1) 35-lef/lef1) 35-lef/lef1)

T K

318.15 293.15 293.15 293.15 293.15 293.15 298.15 303.15


kg ⋅ m

838.36 ± 0.80 861.30 ± 0.30 861.20 ± 0.40 861.80 ± 0.30 861.40 ± 0.40 861.16 ± 0.10 857.00 ± 0.10 852.97 ± 0.10


-1.49 -0.04 -0.14 0.46 0.06 -0.18 -0.04 0.23

35-lef/lef(✕ ) 43-ano-3( ) 45-ano-8(∇) 46-hir/fau(∆) 49-boo/hen(◆) 49-for/ros( ) 49-for/ros( ) 49-for/ros( )

{


Further references: [03-kla/kei, 11-von/mul, 15-wal-1, 18-wal, 19-von, 22-von/kol, 23-kro-1, 24-eis/sch1, 25-gil/bea-2, 33-zel/pac, 34-lov/cam, 37-kur/hea, 37-tsu/vik, 41-ano, 41-sch/sch-1, 43-ano, 44-kur, 46boo/gre, 47-boo/gre, 49-buc/col, 49-foe/fen, 49-lut, 51-kut/nic, 57-syk/her, 58-lev/nic]. Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

280.00 290.00 293.15 298.15 300.00 310.00 320.00


T K

872.64 ± 1.62 864.04 ± 0.49 861.34 ± 0.30 857.04 ± 0.13 855.45 ± 0.10 846.85 ± 0.30 838.26 ± 0.97

(1-Methylethyl)benzene

330.00 340.00 350.00 360.00 370.00 380.00 390.00


T K

829.67 ± 1.99 821.07 ± 3.23 812.48 ± 4.55 803.88 ± 5.84 795.29 ± 6.95 786.69 ± 7.77 778.10 ± 8.16

[98-82-8]

400.00 410.00 420.00 430.00 440.00 450.00

C9H12

ρ ± σ fit kg ⋅ m−3 769.50 ± 8.00 760.91 ± 7.16 752.31 ± 5.51 743.72 ± 2.92 735.12 ± 0.20 726.53 ± 0.22

MW = 120.19

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.5923 · 10-1 (combined temperature ranges, weighted), σc,uw = 2.9954 · 10-2 (combined temperature ranges, unweighted). Coefficient A B C D

T = 243.11 to 470.00 K ρ = A + BT + CT 2 + DT 3 + … 1.15171 · 103 -1.29010 1.59210 · 10-3 -1.92207 · 10-6 cont.


10

44


(1-Methylethyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 298.15 293.15 314.35 334.35 359.85 293.15 298.15 303.15 253.15 263.15 273.15 283.15 293.15 303.15 313.15 323.15 333.15 343.15 353.15 293.15 313.15 333.15 293.15 313.15 333.15 293.15 313.15 333.15 293.15 298.15 303.15 320.00 340.00 360.00 1)


kg ⋅ m

861.73 ± 0.05 857.46 ± 0.05 861.60 ± 0.40 844.20 ± 0.40 827.40 ± 0.40 805.80 ± 0.40 861.77 ± 0.10 857.49 ± 0.10 853.33 ± 0.10 898.10 ± 0.50 888.10 ± 0.50 879.10 ± 0.50 871.60 ± 0.50 862.40 ± 0.50 853.50 ± 0.50 845.70 ± 0.50 836.30 ± 0.60 827.70 ± 0.60 818.50 ± 0.60 809.20 ± 0.60 861.30 ± 0.40 844.70 ± 0.40 827.80 ± 0.40 861.90 ± 0.50 845.00 ± 0.50 827.80 ± 0.50 861.90 ± 0.20 844.99 ± 0.20 827.77 ± 0.20 861.68 ± 0.08 857.43 ± 0.08 853.15 ± 0.08 838.77 ± 0.10 821.42 ± 0.10 803.80 ± 0.10


-0.19 -0.20 -0.32 0.41 0.89 1.73 -0.15 -0.17 -0.06 2.13 0.65 0.16 1.16 0.48 0.11 0.88 0.08 0.15 -0.33 -0.82 -0.62 -0.12 0.25 -0.02 0.18 0.25 -0.02 0.17 0.22 -0.24 -0.23 -0.24 -0.16 -0.16 -0.14

46-for/gla( ) 46-for/gla( ) 48-vog-61) 48-vog-61) 48-vog-6(✕ ) 48-vog-61) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan1) 55-mam/pan(✕ ) 55-mam/pan1) 56-tor-21) 56-tor-21) 56-tor-2(✕ ) 57-pet/smy1) 57-pet/smy1) 57-pet/smy(✕ ) 58-pet/smy1) 58-pet/smy(◆) 58-pet/smy(◆) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇)

{ { {

T K

380.00 400.00 420.00 440.00 460.00 470.00 480.00 490.00 243.11 243.12 248.13 248.14 253.15 253.15 253.16 258.12 258.12 263.12 263.12 268.12 273.10 273.14 278.14 278.15 283.14 288.14 293.10 293.15 298.15 303.14 308.15 308.16 313.11 318.17


kg ⋅ m

785.79 ± 0.10 767.33 ± 0.15 748.28 ± 0.15 728.51 ± 0.20 707.87 ± 0.20 697.10 ± 0.25 686.05 ± 0.25 674.56 ± 0.25 904.42 ± 0.10 904.41 ± 0.10 900.17 ± 0.10 900.17 ± 0.10 895.93 ± 0.10 895.94 ± 0.10 895.92 ± 0.10 891.73 ± 0.10 891.74 ± 0.10 887.50 ± 0.10 887.51 ± 0.10 883.28 ± 0.10 879.04 ± 0.10 879.04 ± 0.10 874.81 ± 0.10 874.80 ± 0.10 870.58 ± 0.10 866.33 ± 0.10 862.07 ± 0.10 862.07 ± 0.10 857.81 ± 0.10 853.55 ± 0.10 849.27 ± 0.10 849.27 ± 0.10 845.02 ± 0.10 840.67 ± 0.10


-0.12 -0.07 -0.04 -0.06 -0.20 -0.41 -0.67 -1.14 -0.14 -0.14 -0.09 -0.08 -0.04 -0.03 -0.05 -0.01 0.00 0.02 0.03 0.06 0.06 0.09 0.11 0.11 0.14 0.14 0.11 0.15 0.15 0.15 0.16 0.17 0.16 0.16

72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow(∇) 72-hal/tow1) 72-hal/tow1) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆) 92-ano-3(∆)


Further references: [1873-pis/pat, 1884-gla, 1885-sil, 1892-lan/jah, 1895-kon, 1896-per, 02-kla-2, 16ric/shi, 19-ric/shi, 19-von, 34-lov/cam, 35-qui, 36-ipa/cor, 37-cro/sow, 37-mck/sow, 38-oco/sow, 38whi/ros, 40-tou/hen, 41-ano-1, 42-hus/kay, 43-ano, 43-ano-2, 43-pok, 43-wil, 44-ano-1, 44-can, 44-kur, 44-sch, 45-gre/vog-1, 46-gei/can, 46-gib/tho, 46-hir/fau, 47-bal/mar, 47-tsu, 48-boo/gre, 49-foe/fen, 49vve/tak, 50-kuc/tsu, 50-pet/sop, 51-ano-3, 51-rob/goo, 52-ano-4, 52-ano-5, 52-jac, 53-mul-2, 55-sop, 57cum/vog, 75-mil/wac, 77-jai/bag, 79-sol/del, 80-sur, 88-jas/nag, 89-cep/gon, 89-cep/gon-1, 95-fuj/tam-1]. cont. Landolt-Börnstein New Series IV/8E

45

ρ

ρ




240.00 250.00 260.00 270.00 280.00

ρ ± σ fit kg ⋅ m−3 907.23 ± 0.07 898.66 ± 0.08 890.13 ± 0.09 881.62 ± 0.10 873.11 ± 0.12

T K

290.00 293.15 298.15 300.00 310.00

ρ ± σ fit kg ⋅ m−3 864.60 ± 0.13 861.92 ± 0.14 857.66 ± 0.14 856.08 ± 0.15 847.53 ± 0.16

T K

320.00 330.00 340.00 350.00 360.00

ρ ± σ fit kg ⋅ m−3 838.93 ± 0.17 830.29 ± 0.18 821.58 ± 0.19 812.80 ± 0.20 803.94 ± 0.21 cont.


46


(1-Methylethyl)benzene (cont.) Table 3. (cont.)


T K

T K

794.98 ± 0.21 785.91 ± 0.22 776.72 ± 0.22 767.40 ± 0.22

370.00 380.00 390.00 400.00

410.00 420.00 430.00 440.00

Propylbenzene


T K

757.94 ± 0.22 748.32 ± 0.23 738.53 ± 0.23 728.57 ± 0.23

[103-65-1]

450.00 460.00 470.00 480.00

C9H12

ρ ± σ fit kg ⋅ m−3 718.42 ± 0.23 708.07 ± 0.24 697.51 ± 0.25 686.72 ± 0.28

MW = 120.19

11

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 3.4386 · 10-1 (combined temperature ranges, weighted), σc,uw = 5.7271 · 10-2 (combined temperature ranges, unweighted). T = 178.05 to 431.85 K ρ = A + BT + CT 2 + DT 3 + … 1.13425 · 103 -1.17575 1.33755 · 10-3 -1.68910 · 10-6

Coefficient A B C D


282.95 431.65 431.85 294.55 362.05 277.15 278.15 283.15 288.15 293.15 298.15 178.05 189.55 227.95 250.25 273.15 1)


kg ⋅ m

870.20 ± 1.00 739.90 ± 1.00 739.90 ± 1.00 860.50 ± 0.60 803.20 ± 0.60 875.30 ± 0.60 874.48 ± 0.60 870.20 ± 0.60 865.97 ± 0.60 861.83 ± 0.60 857.77 ± 0.60 957.35 ± 1.00 948.28 ± 1.00 915.82 ± 1.00 897.52 ± 1.00 878.62 ± 1.00


-0.20 -0.21 -0.01 -0.32 -0.54 0.12 0.13 -0.03 -0.14 -0.14 -0.07 -0.43 0.34 0.08 0.21 0.15

1883-sch-31) 1883-sch-3(✕ ) 1884-sch-6(✕ ) 1893-eyk1) 1893-eyk(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas1)

T K

288.30 296.00 311.45 335.90 349.25 372.70 403.15 273.15 293.15 313.15 293.15 298.15 293.15 298.15 293.15 293.15


kg ⋅ m

866.11 ± 1.00 859.64 ± 1.00 846.89 ± 1.00 826.40 ± 1.00 814.80 ± 1.00 794.21 ± 1.00 766.06 ± 1.00 878.20 ± 0.50 861.60 ± 0.50 844.90 ± 0.50 861.91 ± 0.20 857.68 ± 0.20 861.96 ± 0.15 857.74 ± 0.15 862.00 ± 0.60 861.30 ± 0.60


0.13 0.02 0.11 0.18 -0.02 -0.19 -0.90 -0.27 -0.37 -0.46 -0.06 -0.16 -0.01 -0.10 0.03 -0.67

36-mas1) 36-mas1) 36-mas1) 36-mas(✕ ) 36-mas(✕ ) 36-mas(✕ ) 36-mas1) 42-gei(✕ ) 42-gei1) 42-gei(✕ ) 43-ano-2(∇) 43-ano-2(∇) 46-for/gla( ) 46-for/gla1) 48-vog-61) 48-vog-61)

{




47


314.35 315.15 333.75 334.65 358.85 359.15 293.15 298.15 1)


kg ⋅ m

844.40 ± 0.60 843.40 ± 0.60 828.20 ± 0.60 828.00 ± 0.60 807.90 ± 0.60 807.20 ± 0.60 862.02 ± 0.10 857.78 ± 0.10


0.04 -0.29 0.16 0.72 1.38 0.94 0.05 -0.06

48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-61) 48-vog-6(✕ ) 49-for/ros( ) 49-for/ros( )

T K

303.15 298.15 298.15 323.15 313.15 298.15 293.15 308.15


kg ⋅ m

853.68 ± 0.10 857.96 ± 0.15 857.95 ± 0.60 836.76 ± 0.60 845.08 ± 0.30 858.10 ± 0.20 861.97 ± 0.20 849.40 ± 0.30


-0.01 0.12 0.11 -0.23 -0.28 0.26 -0.00 -0.13

49-for/ros( ) 75-mil/wac(∆) 80-ric/tej1) 80-ric/tej(✕ ) 80-sur(✕ ) 81-gro-3(✕ ) 88-pau/kru-1(◆) 88-sub/rao-1(✕ )


ρ

ρ

Further references: [1892-lan/jah, 1896-zhu, 00-per, 13-dun/hil, 13-kis-2, 16-ric/shi, 19-ric/shi, 19-von, 25-gil/bea-2, 30-tim/hen, 32-gar/eva, 33-bar/cas, 35-mam-1, 37-gro/ipa, 37-loz/dya, 37-mck/sow, 37tsu/vik, 37-tzu, 38-eva-2, 39-sch/hop, 41-ano-1, 42-sch, 43-ano, 44-ano, 46-gei/can, 46-gib/tho, 46hir/fau, 48-tsc, 49-foe/fen, 49-lut, 50-bry/tur, 50-dol/lar, 53-tre, 54-khr/nov, 79-gro-7, 79-gro-8, 86pau/kru-1, 88-jas/nag, 91-ric/lau, 95-fuj/tam-1].

Fig. 1. The symbols show the deviation of the calculated from the experimental values from Table 2. The curves above and below the zero line indicate the calculated error region of the recommended values given in Table 3. The error bars represent the experimental errors. (Error bars smaller than the symbols are omitted for clarity of the figure.) cont.



48 Propylbenzene (cont.)



T K

T K

964.73 ± 1.55 956.10 ± 1.32 947.56 ± 1.12 939.09 ± 0.96 930.69 ± 0.82 922.34 ± 0.71 914.04 ± 0.62 905.77 ± 0.55 897.52 ± 0.49 889.29 ± 0.45

170.00 180.00 190.00 200.00 210.00 220.00 230.00 240.00 250.00 260.00

270.00 280.00 290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00

1,2,3-Trimethylbenzene


T K

881.06 ± 0.42 872.83 ± 0.40 864.58 ± 0.40 861.97 ± 0.41 857.84 ± 0.41 856.30 ± 0.42 847.99 ± 0.45 839.63 ± 0.49 831.21 ± 0.54 822.73 ± 0.59 [526-73-8]

350.00 360.00 370.00 380.00 390.00 400.00 410.00 420.00 430.00 440.00 C9H12

ρ ± σ fit kg ⋅ m−3 814.17 ± 0.64 805.52 ± 0.70 796.78 ± 0.76 787.93 ± 0.82 778.96 ± 0.88 769.86 ± 0.94 760.62 ± 1.01 751.24 ± 1.10 741.70 ± 1.20 731.99 ± 1.32 MW = 120.19

12

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 7.6719 · 10-2 (combined temperature ranges, weighted), σc,uw = 1.4480 · 10-2 (combined temperature ranges, unweighted). T = 273.15 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.10165 · 103 -6.25417 · 10-1 -2.78063 · 10-4

Coefficient A B C


273.15 293.15 298.15 303.15 293.15 293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est kg ⋅ m

−3

910.00 ± 0.40 894.40 ± 0.40 890.60 ± 0.40 886.60 ± 0.40 894.40 ± 0.40 894.40 ± 0.30 894.40 ± 0.30 894.40 ± 0.30 894.40 ± 0.30 894.40 ± 0.40


-0.07 -0.01 0.14 0.10 -0.01 -0.01 -0.01 -0.01 -0.01 -0.01

40-smi/spi(✕ ) 40-smi/spi(✕ ) 40-smi/spi(✕ ) 40-smi/spi(✕ ) 44-kur(✕ ) 45-boo/gre(✕ ) 46-boo/gre(∇) 46-boo/gre(∇) 46-hir/fau(◆) 46-lam/rey(✕ )

T K

293.15 293.15 293.15 293.15 293.15 293.15 298.15 303.15 293.15 293.15


−3

894.50 ± 0.20 894.50 ± 0.50 894.40 ± 0.40 894.40 ± 0.40 894.40 ± 0.40 894.36 ± 0.10 890.42 ± 0.10 886.50 ± 0.10 894.30 ± 0.40 894.50 ± 0.20


0.09 0.09 -0.01 -0.01 -0.01 -0.05 -0.04 -0.00 -0.11 0.09

47-ano-1(∆) 47-boo/gre1) 47-boo/gre(✕ ) 47-boo/gre(✕ ) 48-rey/ebe(✕ ) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 50-nic/hei(✕ ) 56-ano( )

{


cont.



49

ρ

ρ

Further references: [09-weg, 19-von, 25-von/wie, 33-mai/sch, 37-kur/hea, 44-ano-2, 50-par/gol, 51-ano, 88-jas/nag].



270.00 280.00 290.00


ρ ± σ fit kg ⋅ m−3 912.52 ± 0.65 904.73 ± 0.42 896.89 ± 0.33

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 894.41 ± 0.31 890.46 ± 0.29 889.00 ± 0.28

T K

310.00

ρ ± σ fit kg ⋅ m−3 881.05 ± 0.32

50


1,2,4-Trimethylbenzene

C9H12

[95-63-6]

MW = 120.19

13


Coefficient A B C


277.15 278.15 283.15 288.15 293.15 293.15 298.15 303.15 308.15 313.15 318.15 323.15 328.15 333.15 338.15 343.15 348.15 353.15 358.15 363.15 368.15 293.15 1)


kg ⋅ m

888.80 ± 0.60 887.98 ± 0.60 884.09 ± 0.60 880.16 ± 0.60 876.20 ± 0.60 877.80 ± 2.00 872.13 ± 0.60 868.15 ± 0.60 864.08 ± 0.60 860.03 ± 0.60 855.91 ± 0.60 851.75 ± 0.60 847.53 ± 0.60 843.39 ± 0.60 839.33 ± 0.60 835.35 ± 0.60 831.08 ± 0.60 826.92 ± 0.60 822.69 ± 1.00 818.40 ± 1.00 814.34 ± 1.00 876.70 ± 0.40


0.31 0.28 0.33 0.35 0.36 1.96 0.27 0.28 0.21 0.17 0.08 -0.04 -0.21 -0.29 -0.28 -0.17 -0.34 -0.39 -0.50 -0.65 -0.56 0.86

1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 33-azi/bha1)

T K

303.15 313.15 323.15 333.15 348.15 293.15 293.15 293.15 293.15 298.15 303.15 293.15 303.15 313.15 293.15 273.15 288.15 303.15 298.15 303.15 298.15 298.15


kg ⋅ m

868.50 ± 0.40 861.10 ± 0.40 853.00 ± 0.40 845.70 ± 0.40 834.10 ± 0.40 876.00 ± 0.30 875.90 ± 0.30 876.10 ± 0.30 875.80 ± 0.10 871.78 ± 0.10 867.80 ± 0.10 875.40 ± 0.60 867.34 ± 0.60 859.37 ± 0.60 875.80 ± 0.20 891.88 ± 0.40 879.79 ± 0.40 867.70 ± 0.40 871.85 ± 0.15 867.96 ± 0.30 871.60 ± 0.20 871.90 ± 0.30


0.63 1.24 1.21 2.02 2.68 0.16 0.06 0.26 -0.04 -0.08 -0.07 -0.44 -0.53 -0.49 -0.04 0.25 -0.02 -0.17 -0.01 0.09 -0.26 0.04

33-azi/bha1) 33-azi/bha(✕ ) 33-azi/bha(✕ ) 33-azi/bha1) 33-azi/bha1) 46-boo/gre(✕ ) 46-boo/gre(✕ ) 46-hir/fau(✕ ) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 49-qua1) 49-qua1) 49-qua(✕ ) 50-nic/hei(∆) 59-tim/hen(✕ ) 59-tim/hen(✕ ) 59-tim/hen1) 75-mil/wac( ) 76-abs/tut(✕ ) 87-wil/ing(∇) 92-com/fra-2(◆)

{


Further references: [1892-lan/jah, 1893-sch, 1894-bru-1, 00-per, 10-bir, 16-ric/shi, 19-von, 33-mai/sch, 34-lov/cam, 35-mam-1, 37-kur/hea, 43-ano, 44-kur, 44-sch, 45-ano-8, 45-gre/vog-1, 46-ano-4, 46-ebe-1, 49-foe/fen, 56-ano].

cont.


51

ρ

ρ




270.00 280.00 290.00 293.15 298.15


ρ ± σ fit kg ⋅ m−3 894.10 ± 0.68 886.25 ± 0.45 878.34 ± 0.33 875.84 ± 0.31 871.86 ± 0.30

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 870.39 ± 0.30 862.39 ± 0.35 854.34 ± 0.43 846.24 ± 0.55 838.10 ± 0.68

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 829.90 ± 0.80 821.66 ± 0.91 813.37 ± 0.98 805.03 ± 1.02

52

2.1 Alkylbenzenes (CnH2n-6), C6 - C10 1,3,5-Trimethylbenzene

[108-67-8]

C9H12

MW = 120.19

14


Coefficient A B C


282.95 437.65 437.65 438.15 277.15 278.15 283.15 288.15 293.15 298.15 303.15 308.15 313.15 318.15 323.15 328.15 333.15 338.15 343.15 348.15 353.15 358.15 363.15 368.15 293.15 303.15 1)


kg ⋅ m

869.40 ± 2.00 737.20 ± 2.00 737.20 ± 2.00 737.20 ± 1.70 876.80 ± 2.00 875.98 ± 2.00 871.90 ± 2.00 867.67 ± 2.00 863.62 ± 2.00 859.46 ± 2.00 855.50 ± 2.00 851.45 ± 2.00 847.43 ± 2.00 843.34 ± 2.00 839.20 ± 2.00 835.02 ± 2.00 830.71 ± 2.00 826.48 ± 2.00 822.25 ± 2.00 818.10 ± 2.00 813.71 ± 2.00 809.52 ± 2.00 805.27 ± 2.00 801.16 ± 2.00 863.80 ± 0.40 855.70 ± 0.40


-4.24 0.02 0.02 0.48 -1.66 -1.65 -1.57 -1.62 -1.48 -1.43 -1.16 -0.97 -0.73 -0.55 -0.40 -0.28 -0.27 -0.17 -0.05 0.17 0.16 0.36 0.52 0.84 -1.30 -0.96

1883-sch-31) 1883-sch-3(✕ ) 1883-sch-3(✕ ) 1884-sch-6(✕ ) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 33-azi/bha1) 33-azi/bha1)

T K

313.15 323.15 333.15 358.15 293.15 293.15 293.15 298.15 303.15 293.15 353.15 293.15 303.15 313.15 323.15 333.15 343.15 353.15 300.15 313.15 298.15 313.15 298.15 293.15 298.15


kg ⋅ m

847.60 ± 0.40 839.30 ± 0.40 831.00 ± 0.40 815.80 ± 0.40 865.10 ± 0.20 865.10 ± 0.20 865.16 ± 0.10 861.09 ± 0.10 857.05 ± 0.10 862.00 ± 1.50 813.00 ± 2.00 859.80 ± 0.50 852.00 ± 0.50 844.00 ± 0.50 836.50 ± 0.50 828.50 ± 0.50 821.70 ± 0.60 813.50 ± 0.60 858.47 ± 0.30 847.33 ± 0.30 859.95 ± 0.15 848.90 ± 0.30 860.64 ± 0.10 865.18 ± 0.20 861.11 ± 0.20


-0.56 -0.30 0.02 6.64 0.00 0.00 0.06 0.20 0.39 -3.10 -0.55 -5.30 -4.66 -4.16 -3.10 -2.48 -0.60 -0.05 -0.73 -0.83 -0.94 0.74 -0.25 0.08 0.22

33-azi/bha(✕ ) 33-azi/bha(✕ ) 33-azi/bha(✕ ) 33-azi/bha1) 45-ano-8(◆) 47-ano-4(∇) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 50-boe/ned1) 50-boe/ned(✕ ) 58-pan/mak-11) 58-pan/mak-11) 58-pan/mak-11) 58-pan/mak-11) 58-pan/mak-11) 58-pan/mak-1(✕ ) 58-pan/mak-1(✕ ) 73-sub/kon1) 73-sub/kon(✕ ) 75-mil/wac(∆) 80-sur(✕ ) 85-alm/aww( ) 87-eas/woo-2(✕ ) 87-eas/woo-2(✕ )

{ { {


cont.


53

ρ

ρ




290.00 293.15 298.15 300.00 310.00 320.00 330.00

ρ ± σ fit kg ⋅ m−3 867.74 ± 0.16 865.10 ± 0.14 860.89 ± 0.15 859.32 ± 0.16 850.85 ± 0.31 842.31 ± 0.54 833.70 ± 0.85

T K

340.00 350.00 360.00 370.00 380.00 390.00 400.00

ρ ± σ fit kg ⋅ m−3 825.04 ± 1.20 816.31 ± 1.57 807.53 ± 1.94 798.68 ± 2.28 789.77 ± 2.56 780.79 ± 2.77 771.76 ± 2.87

T K

410.00 420.00 430.00 440.00 450.00

ρ ± σ fit kg ⋅ m−3 762.66 ± 2.86 753.50 ± 2.69 744.28 ± 2.36 735.00 ± 1.85 725.65 ± 1.21

cont.


54


1,3,5-Trimethylbenzene (cont) Further references: [1880-bru-3, 1884-gla, 1892-lan/jah, 1893-sch, 1896-luc, 00-per, 02-pat, 09-weg, 10-von/pet, 11-von/mul, 12-mor/dag, 16-ric/shi, 19-ric/shi, 19-von, 30-fis/kle, 32-gar/eva, 32-loc, 33mai/sch, 33-tis, 34-lov/cam, 34-war/ful, 35-mam, 36-par, 37-kur/hea, 37-loz/dya, 43-ano-4, 43-pok, 44boo/per, 44-kur, 45-gre/vog-1, 46-boo/gre, 46-gib/tho, 46-hir/fau, 49-foe/fen, 50-nic/hei, 50-tei/gor, 51chi, 56-lib/pry-2, 61-shi/hil, 67-dei, 75-hsu/cle, 76-abs/tut, 79-wil/far, 82-dig/jad, 86-tar/dia-1, 87yad/yad, 88-jas/nag, 91-ric/lau, 95-aic/jun].

Butylbenzene

[104-51-8]

C10H14

MW = 134.22

15


Coefficient A B


273.15 288.15 303.15 298.15 293.15 293.15 293.15 314.15 314.15 334.35 334.75 359.65 360.45 1)


876.93 ± 0.50 864.73 ± 0.50 852.43 ± 0.50 856.10 ± 0.20 860.25 ± 0.30 860.10 ± 0.40 859.50 ± 0.60 844.40 ± 1.00 844.20 ± 1.00 828.30 ± 1.00 828.10 ± 1.00 808.30 ± 1.00 808.10 ± 1.00


1.51 0.78 -0.04 -0.20 0.13 -0.02 -0.62 0.34 0.14 -0.31 -0.20 -0.95 -0.54

28-tim/mar(✕ ) 28-tim/mar(✕ ) 28-tim/mar(✕ ) 33-bar/cas( ) 44-boo/per(✕ ) 48-vog-61) 48-vog-61) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ )

{

T K

293.15 298.15 303.15 293.15 293.15 298.15 298.15 298.15 298.15 323.15 298.15 298.15 298.15


860.11 ± 0.10 856.05 ± 0.10 852.16 ± 0.10 860.15 ± 0.35 860.15 ± 0.25 856.27 ± 0.20 856.40 ± 0.30 856.40 ± 0.30 857.40 ± 0.67 837.00 ± 0.67 856.40 ± 0.20 856.40 ± 0.20 855.95 ± 0.30


-0.01 -0.25 -0.31 0.03 0.03 -0.03 0.10 0.10 1.10 -0.17 0.10 0.10 -0.35

49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 50-bry/tur(✕ ) 53-tre(✕ ) 75-mil/wac(∇) 79-gro-9(✕ ) 79-gro(✕ ) 80-ric/tej1) 80-ric/tej(✕ ) 81-gro-4(∆) 81-gro-8(◆) 88-jas/nag(✕ )


Further references: [1876-rad, 1895-kon, 04-kla, 12-von/deu-1, 25-gil/bea-2, 29-boe, 34-lov/cam, 35mam-1, 38-eva-2, 39-dya/loz, 39-loz/dia, 39-sch/hop, 42-sch, 43-hen/aus, 45-gre/vog-1, 45-mat/gro, 46boo/gre, 46-kar/lam, 48-tsc, 49-bir/dea, 49-boo/hen, 49-foe/fen, 50-kuc/tsu, 50-tsu/sim, 52-ano-8, 53sid/tsu, 56-ano].

cont.


55

ρ

ρ




270.00 280.00 290.00 293.15 298.15


ρ ± σ fit kg ⋅ m−3 877.83 ± 0.16 870.18 ± 0.19 862.53 ± 0.28 860.12 ± 0.32 856.30 ± 0.37

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 854.88 ± 0.40 847.23 ± 0.51 839.58 ± 0.64 831.93 ± 0.76 824.28 ± 0.89

T K

350.00 360.00 370.00

ρ ± σ fit kg ⋅ m−3 816.63 ± 1.01 808.99 ± 1.14 801.34 ± 1.26

56


1,2-Diethylbenzene

[135-01-3]

C10H14

MW = 134.22

16

Table 1. Fit with estimated B coefficient for 7 accepted points. Deviation σw = 0.123. Coefficient ρ = A + BT A 1114.47 B -0.800


291.15 288.15 295.15 293.15 295.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

ρexp − ρcalc Ref. kg ⋅ m−3

−3

kg ⋅ m

-15.35 866.2 ± 8.0 -15.95 868.0 ± 8.0 1.15 879.5 ± 1.5 -13.95 866.0 ± 6.0 1.15 879.5 ± 1.5 -0.95 879.0 ± 1.0 0.55 880.5 ± 1.0 0.55 880.50 ± 0.30

T K

1888-vos-11) 33-hal1) 36-fri/bes1) 37-kur/hea1) 44-gre-21) 46-kar/ser1) 48-bir1) 49-bir/dea

293.15 298.15 303.15 293.15 293.15 293.15 293.15 293.15


kg ⋅ m

879.94 ± 0.10 875.90 ± 0.10 871.95 ± 0.10 879.7 ± 0.6 880.5 ± 0.6 883.7 ± 3.0 879.6 ± 1.0 879.6 ± 0.8


-0.01 -0.05 -0.00 -0.25 0.55 3.75 -0.35 -0.35

49-for/ros 49-for/ros 49-for/ros 50-nic/hei 51-ano-3 52-ber/res1) 57-els/str1) 57-els/str-1

Not included in calculation of linear coefficients.

Table 3. Recommended values. T K 290.00 293.15 298.15 310.00


882.5 ± 0.4 880.0 ± 0.3 876.0 ± 0.1 866.5 ± 0.6

1,3-Diethylbenzene

[141-93-5]

C10H14

MW = 134.22

17


T = 273.15 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.10415 · 103 -8.19033 · 10-1

cont.



57


273.15 298.15 293.15 293.15 293.15 293.15 293.15 293.15 1)


kg ⋅ m

879.70 ± 2.00 857.20 ± 2.00 864.00 ± 0.40 863.90 ± 0.40 864.10 ± 0.40 864.10 ± 0.25 864.10 ± 0.40 863.90 ± 0.20


-0.73 -2.75 -0.05 -0.15 0.05 0.05 0.05 -0.15

27-cop/rei(✕ ) 27-cop/rei1) 34-war/ful(◆) 44-gre-2(✕ ) 46-ano-8(✕ ) 46-gib/tho(∆) 48-bir(✕ ) 48-boo/gre( )

{

T K

293.15 293.15 298.15 303.15 293.15 293.15 293.15 293.15


kg ⋅ m

864.10 ± 0.40 863.92 ± 0.10 859.91 ± 0.10 855.88 ± 0.10 863.80 ± 0.40 864.00 ± 0.40 863.80 ± 0.40 865.60 ± 0.50


0.05 -0.13 -0.04 0.02 -0.25 -0.05 -0.25 1.55

49-bir/dea(✕ ) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 51-ano-3(✕ ) 51-ano-3(∇) 51-kut/nic(✕ ) 63-ano-3(✕ )


ρ

ρ

Further references: [1888-vos, 34-lov/cam, 36-ipa/pin, 37-kur/hea, 37-tsu/vik, 37-tzu, 48-bal/mar, 52ber/res].


cont.


58


1,3-Diethylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

T K

883.01 ± 2.10 874.82 ± 1.54 866.63 ± 0.60

270.00 280.00 290.00

293.15 298.15 300.00

1,4-Diethylbenzene


T K

864.05 ± 0.35 859.95 ± 0.11 858.44 ± 0.09

[105-05-5]

310.00

C10H14

ρ ± σ fit kg ⋅ m−3 850.25 ± 0.70

MW = 134.22

18

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.1615 (combined temperature ranges, weighted), σc,uw = 2.5981 · 10-1 (combined temperature ranges, unweighted). T = 287.15 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.11853 · 103 -8.73090 · 10-1

Coefficient A B


291.35 287.15 289.35 289.45 293.15 293.15 293.15 1)


kg ⋅ m

864.50 ± 1.00 867.50 ± 1.00 867.90 ± 3.00 867.80 ± 3.00 862.15 ± 0.30 862.10 ± 0.40 861.90 ± 0.40


0.35 -0.32 2.00 1.99 -0.43 -0.48 -0.68

1893-eyk(✕ ) 03-kla/kei-1(✕ ) 19-von(✕ ) 19-von(✕ ) 44-boo/per( ) 46-ano(◆) 49-bir/dea(∇)

{

T K

293.15 298.15 303.15 293.15 293.15 293.15


kg ⋅ m

861.94 ± 0.10 857.92 ± 0.10 854.00 ± 0.10 861.90 ± 0.40 862.00 ± 0.40 862.20 ± 0.40


-0.64 -0.30 0.15 -0.68 -0.58 -0.38

49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 51-ano(✕ ) 51-kut/nic(✕ ) 56-ano(∆)



280.00 290.00

ρ ± σ fit kg ⋅ m−3 874.06 ± 2.00 865.33 ± 1.65

T K

293.15 298.15

ρ ± σ fit kg ⋅ m−3 862.58 ± 0.61 858.22 ± 0.07

T K

300.00 310.00

ρ ± σ fit kg ⋅ m−3 856.60 ± 0.08 847.87 ± 4.00 cont.


59

ρ

ρ



Further references: [34-lov/cam, 34-war/ful, 37-kur/hea, 38-oco/sow, 46-kar/ser, 47-bal/mar, 52ber/res].

(1,1-Dimethylethyl)benzene

[98-06-6]

C10H14

MW = 134.22


T = 273.15 to 363.85 K ρ = A + BT + CT 2 + DT 3 + … 1.10930 · 103 -8.28098 · 10-1 cont.


19

60


(1,1-Dimethylethyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

273.15 282.55 293.15 304.65 314.55 325.05 340.65 348.75 363.85 293.15

−3

kg ⋅ m

882.80 ± 0.50 875.20 ± 0.50 866.40 ± 0.50 857.00 ± 0.50 849.00 ± 0.50 840.30 ± 0.50 827.30 ± 0.50 820.40 ± 0.50 807.70 ± 0.50 867.10 ± 0.30


-0.31 -0.13 -0.15 -0.02 0.17 0.17 0.09 -0.11 -0.30 0.55

16-byg(✕ ) 16-byg(✕ ) 16-byg1) 16-byg(✕ ) 16-byg(✕ ) 16-byg(✕ ) 16-byg(✕ ) 16-byg(✕ ) 16-byg(✕ ) 19-ric/shi(∇)

T K

293.15 298.15 293.15 293.15 303.15 293.15 298.15 303.15 298.15


kg ⋅ m

867.10 ± 0.30 862.30 ± 0.40 866.50 ± 0.20 866.50 ± 0.20 858.20 ± 0.40 866.48 ± 0.10 862.38 ± 0.10 858.32 ± 0.10 862.05 ± 0.30


0.55 -0.11 -0.05 -0.05 -0.07 -0.07 -0.03 0.05 -0.36

20-ric/dav(✕ ) 37-mck/sow(✕ ) 43-ano-3( ) 46-ano(∆) 47-leg(✕ ) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 88-jas/nag(◆)

{


ρ

ρ

1)

ρexp ± 2σ est




61

Further references: [1888-sch-1, 16-ric/shi, 30-huf/par-1, 34-lov/cam, 35-gro/ipa, 36-ipa/cor, 37kur/hea, 37-smi, 38-hus/fox, 40-tou/hen, 43-hen/aus, 43-hen/kur, 45-gre/vog-1, 46-ber/bon, 46-bue/kar, 46-hus/bar, 49-bir/dea, 49-foe/fen, 53-hus/van, 53-rod/bel].



T K

885.72 ± 0.60 877.44 ± 0.39 869.16 ± 0.30 866.55 ± 0.28 862.41 ± 0.28

270.00 280.00 290.00 293.15 298.15


T K

860.88 ± 0.28 852.59 ± 0.33 844.31 ± 0.42 836.03 ± 0.51 827.75 ± 0.57

300.00 310.00 320.00 330.00 340.00

1,2-Dimethyl-3-ethyllbenzene

[933-98-2]

T K

350.00 360.00 370.00

C10H14

ρ ± σ fit kg ⋅ m−3 819.47 ± 0.59 811.19 ± 0.60 802.91 ± 0.70

MW = 134.22

20



293.15 293.15 293.15 293.15 1)


891.2 ± 1.0 892.0 ± 0.4 892.00 ± 0.30 892.07 ± 0.20


-0.87 -0.07 -0.07 -0.00

46-ano-21) 48-bir 49-bir/dea 49-bir/dea

Not included in calculation of linear coefficients

Table 3. Recommended values. T K 290.00 293.15 298.15



894.6 ± 0.2 892.1 ± 0.2 888.1 ± 0.2

T K

298.15 293.15 293.15


888.12 ± 0.20 892.0 ± 0.4 892.10 ± 0.20


0.05 -0.07 0.03

49-bir/dea 51-ano 56-ano

62


1,2-Dimethyl-4-ethylbenzene

[934-80-5]

C10H14

MW = 134.22

21

Table 1. Fit with estimated B coefficient for 10 accepted points. Deviation σw = 0.329 . Coefficient ρ = A + BT A 1108.84 B -0.800 Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 288.20 288.15 293.15 293.15 293.15 1)


874.0 ± 0.6 877.6 ± 0.6 878.2 ± 0.6 873.0 ± 0.6 870.4 ± 4.0 879.2 ± 5.0


-0.32 -0.68 -0.12 -1.32 -3.92 4.88

T K

21-von/zie 21-von/zie 21-von/zie 21-von/zie 24-kru1) 34-war/ful1)

293.15 293.15 293.15 293.15 298.15 293.15


874.3 ± 0.4 874.1 ± 0.6 874.10 ± 0.30 874.50 ± 0.20 870.56 ± 0.20 874.2 ± 0.4


-0.02 -0.22 -0.22 0.18 0.24 -0.12

46-ano-2 48-bir 49-bir/dea 49-bir/dea 49-bir/dea 56-ano


Table 3. Recommended values. T K

280.00 290.00 293.15 298.15


884.8 ± 0.8 876.8 ± 0.4 874.3 ± 0.3 870.3 ± 0.4


[2870-04-4]

C10H14

MW = 134.22

22

Table 1. Fit with estimated B coefficient for 5 accepted points. Deviation σw = 0.045. Coefficient ρ = A + BT A 1124.96 B -0.800 Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 293.15 293.15 298.15 293.15 293.15 1)


kg ⋅ m

890.5 ± 0.4 890.50 ± 0.30 890.41 ± 0.20 886.40 ± 0.20 890.5 ± 0.4 891.5 ± 0.6


0.06 0.06 -0.03 -0.04 0.06 1.06

48-bir 49-bir/dea 49-bir/dea 49-bir/dea 51-ano 54-sch/cor1)




63

Table 3. Recommended values. ρexp ± 2σ est

T K

kg ⋅ m−3

893.0 ± 0.2 890.4 ± 0.2 886.4 ± 0.2

290.00 293.15 298.15


[874-41-9]

C10H14

MW = 134.22

23

Table 1. Fit with estimated B coefficient for 5 accepted points. Deviation σw = 0.095 . Coefficient ρ = A + BT 1110.77 A -0.800 B


293.15 289.15 293.15 293.15 1)


kg ⋅ m

876.3 ± 6.0 877.2 ± 3.0 875.9 ± 0.6 875.90 ± 0.30


0.05 -2.25 -0.35 -0.35

T K

1886-ans-11) 03-kla/kei1) 48-bir 49-bir/dea

293.15 298.15 293.15


kg ⋅ m

876.25 ± 0.10 872.30 ± 0.10 876.2 ± 0.4


0.00 0.05 -0.05

49-bir/dea 49-bir/dea 55-ano-7




878.8 ± 0.3 876.2 ± 0.1 872.2 ± 0.2


[934-74-7]

C10H14

MW = 134.22


cont.


24

64


1,3-Dimethyl-5-ethylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est


−3

kg ⋅ m

864.4 ± 0.6 861.0 ± 3.0 864.8 ± 0.4 865.0 ± 0.4 864.4 ± 0.6

-0.28 -3.68 0.12 0.32 -0.28

T K

1874-jac 1878-vro1) 46-ano-2 47-ano-2 48-bir

293.15 293.15 298.15 293.15 293.15


kg ⋅ m

864.40 ± 0.30 864.77 ± 0.20 860.76 ± 0.20 864.5 ± 0.4 864.5 ± 0.4


-0.28 0.09 0.08 -0.18 -0.18

49-bir/dea 49-bir/dea 49-bir/dea 52-ano-5 52-ano-14



T K

kg ⋅ m−3

867.2 ± 0.3 864.7 ± 0.2 860.7 ± 0.3

290.00 293.15 298.15


[1758-88-9]

C10H14

MW = 134.22

25


Coefficient A B


290.15 290.15 295.15 293.15 293.15 1)


kg ⋅ m

882.40 ± 2.00 882.40 ± 3.00 875.00 ± 1.00 877.70 ± 0.60 877.15 ± 0.20


1.81 1.81 -1.04 -0.16 -0.71

03-kla/kei(✕ ) 03-kla/kei-1(✕ ) 18-fre/fle(✕ ) 48-bir(◆) 49-bir/dea( )

T K

293.15 298.15 303.15 293.15 293.15


kg ⋅ m

877.70 ± 0.50 873.15 ± 0.20 868.60 ± 0.40 877.70 ± 0.60 876.80 ± 0.40


-0.16 -0.16 -0.16 -0.16 -1.06

{

49-bir/dea( ) 49-bir/dea( ) 49-les/sur( ) 51-ano(∇) 57-ano-4(∆)


cont.


65

ρ

ρ




290.00 293.15


ρ ± σ fit kg ⋅ m−3 880.73 ± 2.60 877.86 ± 0.58

T K

298.15 300.00

ρ ± σ fit kg ⋅ m−3 873.31 ± 0.51 871.63 ± 0.71

T K

310.00

ρ ± σ fit kg ⋅ m−3 862.53 ± 0.52

66


Methyl(1-methylethyl)benzene

[25155-15-1]

C10H14

MW = 134.22

26


ρ

ρ

Coefficient A B


cont.



67


449.35 293.15 277.15 278.15 283.15 288.15 293.15 1)

ρexp ± 2σ est


−3

kg ⋅ m

724.80 ± 2.00 856.90 ± 2.00 870.10 ± 2.00 869.28 ± 2.00 865.10 ± 2.00 861.08 ± 2.00 857.04 ± 2.00

-0.44 0.09 -0.19 -0.17 -0.14 0.06 0.23

{ { { { {

1884-sch-6( ) 1886-bru(∆) 1896-per( ) 1896-per( ) 1896-per( ) 1896-per( ) 1896-per( )


T K

298.15 288.85 327.65 351.55 425.35 293.15


kg ⋅ m

853.28 ± 2.00 859.70 ± 2.50 827.90 ± 2.50 808.60 ± 2.50 745.60 ± 2.50 856.16 ± 2.00


0.68 -0.73 0.15 0.98 0.14 -0.65

{

1896-per( ) 05-bol/guy(◆) 05-bol/guy(◆) 05-bol/guy(◆) 05-bol/guy(◆) 20-har/cla(∇)


270.00 280.00 290.00 293.15 298.15 300.00 310.00 320.00


T K

876.31 ± 2.07 867.89 ± 2.07 859.47 ± 2.09 856.81 ± 2.11 852.60 ± 2.13 851.04 ± 2.14 842.62 ± 2.21 834.20 ± 2.30

330.00 340.00 350.00 360.00 370.00 380.00 390.00 400.00

1-Methyl-2-(1-methylethyl)benzene


T K

825.77 ± 2.39 817.35 ± 2.49 808.93 ± 2.58 800.50 ± 2.67 792.08 ± 2.74 783.66 ± 2.80 775.23 ± 2.84 766.81 ± 2.85

[527-84-4]

410.00 420.00 430.00 440.00 450.00 460.00

C10H14

ρ ± σ fit kg ⋅ m−3 758.39 ± 2.83 749.96 ± 2.78 741.54 ± 2.70 733.12 ± 2.59 724.69 ± 2.45 716.27 ± 2.28

MW = 134.22


T = 273.15 to 295.15 K ρ = A + BT + CT 2 + DT 3 + … 1.05831 · 103 -6.20588 · 10-1

Further references: [24-eis/sch, 24-eis/sch-2, 34-lov/cam, 35-des-3].

cont.


27

68


1-Methyl-2-(1-methylethyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

295.15 273.15 295.15 273.15 289.30 293.15 293.15

-1.28 1.31 -1.24 1.31 0.13 -0.38 0.22

13-sab/mur-1(✕ ) 13-sab/mur-4(✕ ) 13-sab/mur-4(✕ ) 15-sab/mur(✕ ) 19-von(✕ ) 19-von(✕ ) 48-bir( )

{

T K

293.15 293.15 293.15 293.15 293.15 293.15 293.15


kg ⋅ m

876.60 ± 0.30 876.60 ± 0.20 876.40 ± 0.30 877.20 ± 0.80 876.60 ± 0.20 876.20 ± 0.60 875.00 ± 1.50


0.22 0.22 0.02 0.82 0.22 -0.18 -1.38

49-bir/dea(∇) 50-ano-1(∆) 50-boo/gre(◆) 50-pet/sop(✕ ) 51-ano( ) 52-ano-5(✕ ) 55-sop(✕ )


ρ

ρ

1)

873.86 ± 1.50 890.10 ± 1.00 873.90 ± 1.00 890.10 ± 1.00 878.90 ± 1.00 876.00 ± 1.00 876.60 ± 0.20



cont.



69



T K

T K

890.75 ± 4.00 884.54 ± 3.50 878.34 ± 0.79

270.00 280.00 290.00

293.15 298.15 300.00

1-Methyl-3-(1-methylethyl)benzene


T K

876.38 ± 0.57 873.28 ± 3.95 872.13 ± 4.30

[535-77-3]

310.00

C10H14

ρ ± σ fit kg ⋅ m−3 865.92 ± 6.00

MW = 134.22

28


Coefficient A B


289.15 295.15 295.15 290.20 293.15 293.15 293.15 1)


kg ⋅ m

863.00 ± 1.00 858.86 ± 1.50 858.90 ± 0.60 862.80 ± 1.00 860.00 ± 1.00 861.90 ± 1.00 863.10 ± 2.00


-0.98 -0.56 -0.52 -0.38 -0.94 0.96 2.16

1880-cla-1(✕ ) 13-sab/mur-1(✕ ) 13-sab/mur-4(∆) 19-von(✕ ) 19-von(✕ ) 24-eis/sch-2(✕ ) 24-eis/sch-21)

T K

273.15 293.15 293.15 299.65 293.15 293.15


kg ⋅ m

876.20 ± 0.60 861.10 ± 0.60 860.60 ± 0.60 858.40 ± 3.00 861.00 ± 0.20 861.00 ± 0.20


0.06 0.16 -0.34 2.40 0.06 0.06

30-lac(∇) 30-lac(∇) 30-ric/wol-1(◆) 36-kaz/pla(✕ ) 48-bir( ) 51-ano-3( )


Further references: [19-eyk, 24-eis/sch, 34-lov/cam, 49-bir/dea].

cont.


{

70


ρ

ρ

1-Methyl-3-(1-methylethyl)benzene (cont.)



270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 878.53 ± 3.00 870.93 ± 2.69 863.33 ± 0.88

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 860.94 ± 0.66 857.14 ± 2.05 855.73 ± 3.53

T K

310.00

ρ ± σ fit kg ⋅ m−3 848.13 ± 5.00


2.1 Alkylbenzenes (CnH2n-6), C6 - C10 1-Methyl-4-(1-methylethyl)benzene

C10H14

[99-87-6]

71 MW = 134.22

29


Coefficient A B C


273.15 277.15 278.15 283.15 288.15 293.15 298.15 281.05 288.85 327.65 351.55 425.35 298.15 318.15 343.15 363.15 277.15 291.15 294.05 298.15 313.15 318.15 323.15 333.15 293.15 293.15 293.15 1)


kg ⋅ m

873.20 ± 1.00 870.10 ± 0.60 869.30 ± 0.60 865.20 ± 0.60 861.10 ± 0.60 857.20 ± 0.60 853.30 ± 0.60 866.98 ± 0.60 859.70 ± 1.00 827.90 ± 1.00 808.60 ± 1.00 745.60 ± 1.00 852.64 ± 0.50 836.54 ± 0.50 816.22 ± 0.50 799.61 ± 0.50 870.11 ± 0.60 858.73 ± 0.60 856.41 ± 0.60 853.39 ± 0.60 839.68 ± 0.60 835.86 ± 0.60 832.03 ± 0.60 824.37 ± 0.60 857.90 ± 0.30 856.70 ± 0.20 857.30 ± 0.20


0.18 0.28 0.28 0.19 0.11 0.25 0.41 0.28 -0.72 -0.72 0.05 1.35 -0.25 0.04 0.58 0.94 0.29 0.17 0.19 0.50 -0.94 -0.64 -0.33 0.34 0.95 -0.25 0.35

1878-kra-1(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per1) 1896-per1) 1896-per1) 00-per(✕ ) 05-bol/guy1) 05-bol/guy(✕ ) 05-bol/guy(✕ ) 05-bol/guy(✕ ) 31-bre1) 31-bre(✕ ) 31-bre(✕ ) 31-bre(✕ ) 35-lef/lef(✕ ) 35-lef/lef1) 35-lef/lef1) 35-lef/lef1) 35-lef/lef(✕ ) 35-lef/lef(✕ ) 35-lef/lef(✕ ) 35-lef/lef(✕ ) 43-ano-3(∆) 46-gib/tho( ) 48-bir( )

{

T K

293.15 293.15 273.15 277.15 281.15 283.15 288.15 293.15 308.15 323.15 373.15 383.15 393.15 403.15 413.15 423.15 433.15 443.15 449.15 293.15 298.15 303.15 308.15 313.15 318.15 323.15


kg ⋅ m

857.50 ± 0.50 857.30 ± 0.30 873.20 ± 1.00 870.10 ± 1.00 867.00 ± 1.00 865.40 ± 1.00 861.90 ± 1.00 857.10 ± 1.00 843.50 ± 1.00 831.00 ± 1.00 788.80 ± 1.00 780.50 ± 1.00 771.80 ± 1.00 763.50 ± 1.00 755.00 ± 1.00 746.60 ± 1.00 736.10 ± 1.00 729.90 ± 1.00 725.10 ± 1.00 856.10 ± 0.30 852.10 ± 0.30 848.60 ± 0.30 844.50 ± 0.30 840.60 ± 0.30 837.40 ± 0.30 832.60 ± 0.30


0.55 0.35 0.18 0.28 0.38 0.39 0.91 0.15 -1.22 -1.36 -1.29 -0.95 -0.93 -0.46 -0.12 0.38 -1.15 1.68 2.33 -0.85 -0.79 -0.21 -0.22 -0.02 0.90 0.24

49-bir/dea1) 49-bir/dea(∇) 64-str(✕ ) 64-str1) 64-str1) 64-str1) 64-str1) 64-str1) 64-str1) 64-str1) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str(✕ ) 64-str1) 90-rib/ber(◆) 90-rib/ber(◆) 90-rib/ber(◆) 90-rib/ber(◆) 90-rib/ber(◆) 90-rib/ber(◆) 90-rib/ber(◆)


cont.


72


1-Methyl-4-(1-methylethyl)benzene (cont.)

ρ

ρ

Further references: [1892-lan/jah, 05-wal/hut, 13-blu/zei, 13-sab/mur-1, 13-sab/mur-4, 16-ker, 18wal/ber, 19-von, 20-har/cla, 23-kar, 24-eis/sch, 24-eis/sch-2, 29-boe-1, 29-lac, 29-zel/lev-1, 30-ric/wol-1, 32-dup/dau, 32-vor/fis, 34-lov/cam, 34-war/ful, 35-qui, 36-par, 37-loz/dya, 37-mul, 41-wel/hen, 42fuj/oha, 43-hen/kur, 43-pok, 46-ano-8, 47-ano-1, 47-bal/mar, 47-son/bhu, 47-son/bhu-1, 49-foe/fen, 49tad/nis, 50-pet/sop, 50-tei/gor, 51-ano-3, 51-her, 51-rob/goo, 52-tis/sum, 52-vor, 53-mul-2, 54-dol/nov, 54-imo/hua, 54-oco/gol, 55-sop, 59-rom/gri, 60-mat/sai, 61-tom/zac, 61-tom/zac-1].


cont.



73



T K

T K

875.52 ± 0.80 867.54 ± 0.61 859.49 ± 0.48 856.95 ± 0.46 852.89 ± 0.43 851.38 ± 0.42 843.21 ± 0.41

270.00 280.00 290.00 293.15 298.15 300.00 310.00

320.00 330.00 340.00 350.00 360.00 370.00 380.00

(1-Methylpropyl)benzene

ρ ± σ fit kg ⋅ m−3 834.97 ± 0.44 826.66 ± 0.50 818.29 ± 0.58 809.86 ± 0.67 801.36 ± 0.77 792.80 ± 0.88 784.18 ± 0.97

[135-98-8]

T K

390.00 400.00 410.00 420.00 430.00 440.00 450.00

C10H14

ρ ± σ fit kg ⋅ m−3 775.49 ± 1.04 766.73 ± 1.10 757.91 ± 1.12 749.03 ± 1.10 740.08 ± 1.05 731.07 ± 0.95 721.99 ± 0.81

MW = 134.22

30

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 4.1460 · 10-1 (combined temperature ranges, weighted), σc,uw = 5.7658 · 10-2 (combined temperature ranges, unweighted). T = 273.15 to 318.15 K ρ = A + BT + CT 2 + DT 3 + … 7.59455 · 102 1.46229 -3.79532 · 10-3

Coefficient A B C


273.15 278.15 283.15 288.15 293.15 303.15 308.15 313.15 318.15 323.15 298.15 293.15 1)


876.30 ± 2.00 872.50 ± 2.00 868.70 ± 2.00 864.40 ± 2.00 860.60 ± 2.00 856.30 ± 2.00 848.30 ± 2.00 844.30 ± 2.00 840.40 ± 2.00 836.40 ± 2.00 857.70 ± 0.40 861.80 ± 0.40


0.59 -0.06 -0.52 -1.29 -1.37 2.34 -1.37 -0.89 -0.12 0.74 -0.36 -0.17

00-est(✕ ) 00-est(✕ ) 00-est1) 00-est1) 00-est1) 00-est1) 00-est1) 00-est1) 00-est(✕ ) 00-est1) 37-mck/sow(✕ ) 43-ano-3(✕ )

T K

293.15 293.15 293.15 293.15 293.15 293.15 293.15 298.15 303.15 293.15 293.15


861.80 ± 0.40 861.90 ± 0.40 861.90 ± 0.30 861.80 ± 0.40 862.20 ± 0.30 861.90 ± 0.30 862.05 ± 0.10 857.95 ± 0.10 854.03 ± 0.10 862.20 ± 0.40 862.10 ± 0.20


-0.17 -0.07 -0.07 -0.17 0.23 -0.07 0.08 -0.11 0.07 0.23 0.13

45-ano-1(✕ ) 45-per(◆) 46-boo/gre(∆) 46-bue/kar(✕ ) 49-bir/dea(∇) 49-bir/dea(∇) 49-for/ros( ) 49-for/ros( ) 49-for/ros( ) 52-ano-6(✕ ) 56-ano( )

{

Not included in Fig. 1. cont.


74


(1-Methylpropyl)benzene (cont.)

ρ

ρ

Further references: [02-kla-2, 29-boe, 34-lov/cam, 40-tou/hen, 42-hus/kay, 43-hen/aus, 45-gre/vog-1, 47-bal/mar, 47-sis/noz, 48-bro/iof, 48-iva/sav-1, 48-vor/bro, 49-sid/vdo, 50-kuc/tsu, 51-kut/nic, 52-ano-4, 52-ter/tsu, 54-kre/top].



270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 877.59 ± 2.37 871.34 ± 1.56 864.33 ± 0.61

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 861.97 ± 0.37 858.06 ± 0.12 856.56 ± 0.09

T K

310.00 320.00 330.00

ρ ± σ fit kg ⋅ m−3 848.03 ± 0.56 838.75 ± 2.00 828.70 ± 3.80


2.1 Alkylbenzenes (CnH2n-6), C6 - C10 2-(Methylpropyl)benzene

75

C10H14

[538-93-2]

MW =134.22

31



286.65 287.25 287.45 289.25 291.35 293.15 277.15 278.15 283.15 288.15 293.15 298.15 293.15 293.15 293.15 293.15 1)


−3

872.4 ± 10.0 871.9 ± 10.0 871.8 ± 10.0 870.3 ± 10.0 868.7 ± 10.0 867.2 ± 10.0 879.6 ± 10.0 874.5 ± 10.0 870.2 ± 10.0 870.6 ± 10.0 866.4 ± 10.0 862.5 ± 10.0 853.6 ± 1.0 853.40 ± 0.30 854.0 ± 1.0 853.6 ± 0.6


14.03 14.03 14.05 14.04 14.10 14.06 13.62 9.30 9.02 13.39 13.24 13.28 0.42 0.22 0.82 0.42

1892-lan/jah1) 1892-lan/jah1) 1892-lan/jah1) 1892-lan/jah1) 1892-lan/jah1) 1892-lan/jah1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 1896-per1) 34-lov/cam1) 43-ano-3 43-hen/aus1) 44-ano





855.7 ± 0.4 853.2 ± 0.2 849.2 ± 0.1 839.7 ± 0.7

T K

293.15 293.15 293.15 293.15 293.15 293.15 298.15 303.15 293.15 293.15 293.15 293.15 293.15 293.15 298.15


−3

853.40 ± 0.4 853.4 ± 0.30 852.5 ± 1.0 853.50 ± 0.30 853.2 ± 0.4 853.19 ± 0.10 849.05 ± 0.10 845.10 ± 0.10 853.43 ± 0.30 853.20 ± 0.20 853.43 ± 0.25 853.6 ± 0.6 853.0 ± 0.6 862.7 ± 4.0 849.23 ± 0.20


0.22 0.22 -0.68 0.32 0.02 0.01 -0.13 -0.08 0.25 0.02 0.25 0.42 -0.18 9.52 0.05

45-per 46-boo/gre 46-bue/kar1) 49-bir/dea 49-boo/hen 49-for/ros 49-for/ros 49-for/ros 50-bry/tur 52-ano-4 53-tre 56-ano 57-clo/nap 57-shv1) 75-mil/wac

76


1-Methyl-2-propylbenzene

[1074-17-5]

C10H14

MW = 134.22

32


ρ

ρ

Coefficient A B


cont.



77


273.15 293.15 288.90 293.15 293.15 293.15 1)


kg ⋅ m

889.10 ± 0.60 874.80 ± 0.60 877.00 ± 0.60 874.00 ± 0.60 875.20 ± 1.50 874.00 ± 0.60


0.43 0.48 -0.37 -0.32 0.88 -0.32

1895-jou(✕ ) 1895-jou(✕ ) 19-von(✕ ) 19-von(✕ ) 24-eis/sch-11) 24-eis/sch-1(◆)

T K

292.15 288.15 293.15 293.15 293.15 293.15


kg ⋅ m

874.70 ± 0.60 877.00 ± 0.60 873.70 ± 0.40 874.40 ± 0.30 874.40 ± 0.30 873.60 ± 0.20


-0.34 -0.91 -0.62 0.08 0.08 -0.72

32-kuh/deu(✕ ) 33-hal(✕ ) 39-dya/loz(∇) 49-bir/dea( ) 51-ano(∆) 55-ano-7( )

{


Further references: [24-eis/sch, 34-lov/cam]. Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

890.93 ± 0.61 883.76 ± 0.94 876.58 ± 0.55

270.00 280.00 290.00


T K

874.32 ± 0.45 870.74 ± 0.48 869.41 ± 0.57

293.15 298.15 300.00


[1074-43-7]

T K

310.00

C10H14

ρ ± σ fit kg ⋅ m−3 862.24 ± 2.22

MW =134.22

33

Table 1. Fit with estimated B coefficient for 8 accepted points. Deviation σw = 0.225. Coefficient ρ = A + BT 1095.42 A -0.800 B


293.15 290.15 293.15 290.75 293.15 293.15 293.15 288.15 1)


862.0 ± 1.5 864.8 ± 1.5 860.1 ± 1.0 864.6 ± 1.5 862.5 ± 2.0 862.5 ± 2.0 862.5 ± 2.0 864.2 ± 1.0


1.10 1.50 -0.80 1.78 1.60 1.60 1.60 -0.70

19-von1) 19-von1) 22-von/kol 22-von/kol1) 24-eis/sch1) 24-eis/sch-21) 34-lov/cam1) 35-hal

T K

290.15 290.15 293.15 293.15 293.15 293.15 293.15


864.0 ± 1.0 864.0 ± 1.0 861.0 ± 0.4 861.0 ± 0.30 861.0 ± 0.4 863.9 ± 3.0 860.8 ± 0.20


0.74 0.70 0.10 0.10 0.10 3.00 -0.10

37-tsu/vik 37-tzu 48-bir 49-bir/dea 51-ano 53-rac/zal1) 56-ano


cont.


78


1-Methyl-3-propylbenzene (cont.) Table 3. Recommended values. T K 280.00 290.00 293.15 298.15


871.4 ± 2.6 863.4 ± 0.6 860.9 ± 0.2 856.9 ± 1.1


[1074-55-1]

C10H14

MW = 134.22

34



448.55 282.95 293.15 296.85 291.95 293.15 293.15 298.15 288.55 290.15 1)


724.8 ± 2.0 864.0 ± 2.0 858.0 ± 1.0 855.4 ± 2.0 861.7 ± 2.0 857.0 ± 1.5 857.0 ± 1.5 855.0 ± 1.0 864.2 ± 1.0 867.1 ± 6.0


-9.36 -2.64 -0.48 -0.12 2.26 -1.48 -1.48 0.52 2.04 6.26

1883-sch-31) 1883-sch-31) 22-von/kol 22-von/kol1) 22-von/kol1) 24-eis/sch1) 24-eis/sch-21) 28-ipa/orl-1 34-lov/cam 37-tsu/vik1)

T K

290.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15


867.1 ± 6.0 859.1 ± 1.0 859.1 ± 1.0 858.5 ± 0.4 858.5 ± 0.4 858.50 ± 0.30 858.2 ± 0.4 858.50 ± 0.20 858.40 ± 0.20


6.22 0.62 0.62 -0.03 0.02 0.02 -0.28 0.02 -0.08

37-tzu1) 39-dya/loz 41-sch/sch-1 44-boo/per 48-bir 49-bir/dea 49-boo/hen 51-ano 56-ano




869.0 ± 1.3 861.0 ± 0.4 858.5 ± 0.3 854.5 ± 0.6


2.1 Alkylbenzenes (CnH2n-6), C6 - C10 1,2,3,5-Tetramethylbenzene

[527-53-7]

79

C10H14

MW = 134.22

35

C10H14

MW = 134.22

36

Table 1. Experimental and recommended values with uncertainties. T K

293.15 293.15 288.65 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

890.60 ± 0.60 25-eis-1 1) 896.00 ± 5.00 35-gau 1) 898.20 ± 4.00 37-nel 1) 895.00 ± 4.00 39-nen/isa 889.50 ± 0.60 44-boo/per 889.90 ± 0.60 44-gre-3 890.10 ± 0.30 45-boo/gre 890.50 ± 0.60 48-bir 890.40 ± 0.60 48-bir 890.10 ± 0.30 48-boo/gre 890.20 ± 0.40 48-boo/gre 890.50 ± 0.60 49-bir/dea 890.40 ± 0.60 49-bir/dea 890.20 ± 0.40 49-boo/gre 890.50 ± 0.60 51-ano 890.40 ± 0.60 51-ano 890.1 ± 0.40 Recommended

Not included in calculation of recommended value.

1,2,3,4-Tetramethylbenzene

[488-23-3]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.8598 (combined temperature ranges, weighted), σc,uw = 4.8609 · 10-1 (combined temperature ranges, unweighted). Coefficient A B

T = 288.65 to 313.15 K ρ = A + BT + CT 2 + DT 3 + … 1.13966 · 103 -8.04397 · 10-1

cont.


80


1,2,3,4-Tetramethylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

289.15 293.15 288.65 293.15 293.15 298.15 1)

904.40 ± 3.00 901.00 ± 3.00 904.10 ± 4.00 904.00 ± 0.60 905.30 ± 1.00 901.50 ± 1.00


-2.67 -2.85 -3.37 0.15 1.45 1.67

19-von(✕ ) 19-von1) 37-nel(✕ ) 39-nen/isa( ) 41-mai/str(✕ ) 41-mai/str(✕ )

{

T K

293.15 293.15 293.15 293.15 298.15 313.15


kg ⋅ m

904.60 ± 0.60 904.60 ± 0.60 904.60 ± 0.60 904.70 ± 0.60 899.40 ± 0.60 887.84 ± 0.30


0.75 0.75 0.75 0.85 -0.43 0.08

48-bir(∇) 49-bir/dea(◆) 51-ano(✕ ) 56-ano(∆) 75-mil/wac(✕ ) 80-sur( )


ρ

ρ

Further references: [33-mit/mar].


cont.



81



T K

914.43 ± 8.00 906.38 ± 2.42 903.85 ± 0.66

280.00 290.00 293.15


T K

899.83 ± 0.81 898.34 ± 1.37 890.29 ± 2.59

298.15 300.00 310.00

1,2,4,5-Tetramethylbenzene

T K

[95-93-2]

320.00

C10H14

ρ ± σ fit kg ⋅ m−3 882.25 ± 3.00

MW = 134.22

37


Coefficient A B C


354.45 358.00 360.00 366.60 371.70 377.60 380.90 386.70 391.80 395.80 1)


−3

838.00 ± 1.00 835.10 ± 0.58 833.60 ± 0.58 829.00 ± 0.58 824.30 ± 0.58 819.80 ± 0.58 817.20 ± 0.58 812.00 ± 0.58 808.20 ± 0.58 805.10 ± 0.58


-0.15 -0.24 -0.15 0.51 -0.10 0.16 0.23 -0.24 0.14 0.33

{) ) ) ) ) ) ) ) ) )

1893-eyk( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee(

T K

403.80 406.90 410.90 415.30 418.60 424.30 430.40 435.80 441.20 445.90


−3

797.80 ± 0.58 795.30 ± 0.58 791.90 ± 0.58 788.70 ± 0.58 786.00 ± 0.58 780.90 ± 0.58 775.70 ± 0.58 770.90 ± 0.58 766.50 ± 0.58 762.50 ± 0.58


-0.34 -0.26 -0.32 0.18 0.26 -0.01 -0.01 -0.19 0.07 0.14

) ) ) ) ) ) ) ) ) )

85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee(


Further references: [00-dut/fri].

cont.


82


ρ

ρ

1,2,4,5-Tetramethylbenzene (cont.)



350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 841.65 ± 0.95 833.75 ± 0.74 825.77 ± 0.62 817.70 ± 0.57

T K

390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 809.54 ± 0.56 801.30 ± 0.58 792.97 ± 0.60 784.56 ± 0.61

T K

430.00 440.00 450.00 460.00

ρ ± σ fit kg ⋅ m−3 776.05 ± 0.62 767.47 ± 0.63 758.80 ± 0.66 750.04 ± 0.73



83

2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-Butyl-2-methylbenzene

[1595-11-5]

C11H16

MW =148.25

38

C11H16

MW = 148.25

39

C11H16

MW = 148.25

40

Table 1. Experimental values with uncertainties. T K

291.45 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.3 ± 2.0 873.0 ± 2.0

1899-nie 34-lov/cam

1-Butyl-3-methylbenzene

[1595-04-6]

Table 1. Experimental values with uncertainties. T K 291.55 293.15 288.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.5 ± 3.0 867.5 ± 3.0 864.0 ± 2.0

1899-nie 34-lov/cam 35-hal

1-Butyl-4-methylbenzene

[1595-05-7]


Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp − ρcalc Ref. ρexp ± 2σ est T kg ⋅ m−3 K kg ⋅ m−3 287.35 287.15 293.15 293.15 293.15 293.15 1)

861.8 ± 2.0 945.2 ± 40.0 863.6 ± 4.0 863.6 ± 4.0 859.0 ± 2.0 858.6 ± 2.0

-0.71 82.55 5.15 5.15 0.55 0.15

1899-nie 27-mar/hag1) 33-sho/iss1) 33-sho/iss1) 34-lov/cam 41-sch/sch-1


cont.


84


1-Butyl-4-methylbenzene (cont.) Table 3. Recommended values. T K 280.00 290.00 293.15 298.15


867.7 ± 2.0 860.7 ± 2.0 858.4 ± 2.0 854.9 ± 2.0

1,3-Diethyl-5-methylbenzene

[2050-24-0]

C11H16

MW = 148.25

41

[1074-92-6]

C11H16

MW = 148.25

42

[1075-38-3]

C11H16

MW = 148.25

43

Table 1. Experimental and recommended values with uncertainties. T K 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

879.0 ± 1 863.1 ± 0.4 863.1 ± 0.4

1874-jac 46-gib/tho Recommended

1-(1,1-Dimethylethyl)-2-methylbenzene Table 1. Experimental and recommended values with uncertainties. T K

293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

889.74 ± 0.20 889.74 ± 0.20 889.8 ± 0.4 889.7 ± 0.20

49-ser/hip 49-ser/wis 53-sch/cla Recommended

1-(1,1-Dimethylethyl)-3-methylbenzene Table 1. Experimental and recommended values with uncertainties. T K 293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

865.85 ± 0.20 865.85 ± 0.20 865.9 ± 0.4 865.9 ± 0.20

49-ser/hip 49-ser/wis 53-sch/cla Recommended


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 4-tert-Butyltoluene

[98-51-1]

85

C11H16

MW = 148.25

44


Coefficient A B


273.15 286.40 293.15 293.15 273.15 283.15 293.15 313.15 1)


kg ⋅ m

877.10 ± 1.50 866.70 ± 1.00 861.00 ± 0.60 859.90 ± 1.50 879.38 ± 2.00 871.58 ± 2.00 863.68 ± 2.50 847.79 ± 2.50


0.66 -0.04 -0.80 -1.90 2.94 2.46 1.88 0.63

1898-ver(✕ ) 16-von(∇) 16-von(∇) 29-lac(✕ ) 35-lef/lef(✕ ) 35-lef/lef(✕ ) 35-lef/lef1) 35-lef/lef(✕ )

T K

318.15 333.15 293.15 293.15 293.15 293.15 293.15 293.15


kg ⋅ m

843.90 ± 2.50 832.02 ± 2.50 862.80 ± 2.00 858.80 ± 2.00 861.90 ± 1.00 861.13 ± 0.40 861.13 ± 0.40 861.20 ± 0.40


0.39 -0.51 1.00 -3.00 0.10 -0.67 -0.67 -0.60

35-lef/lef(✕ ) 35-lef/lef(✕ ) 43-hen/kur(✕ ) 45-tsu(✕ ) 47-tsu(◆) 49-ser/hip(∆) 49-ser/wis( ) 53-sch/cla( )

{


Further references: [41-wel/hen].


270.00 280.00 290.00 293.15

ρ ± σ fit kg ⋅ m−3 878.74 ± 2.49 871.42 ± 1.35 864.11 ± 1.08 861.80 ± 1.14

T K

298.15 300.00 310.00 320.00

ρ ± σ fit kg ⋅ m−3 858.14 ± 1.34 856.79 ± 1.45 849.47 ± 2.11 842.15 ± 2.70

T K

330.00 340.00

ρ ± σ fit kg ⋅ m−3 834.83 ± 2.91 827.52 ± 2.50

cont.


86


ρ

ρ

4-tert-Butyltoluene (cont.)


1,2-Dimethyl-3-(1-methylethyl)benzene

[22539-65-7]

C11H16

MW = 148.25

45

[4132-77-8]

C11H16

MW = 148.25

46


ρexp ± 2σ est

Ref.

kg ⋅ m−3

894.0 ± 1.0 892.0 ± 1.0 893.0 ± 1.2

60-top/vol 61-vol/zav Recommended


Table 1. Fit with estimated B coefficient for 3 accepted points. Deviation σw = 0.374. Coefficient ρ = A + BT 1105.42 A -0.800 B cont.



87


294.25 294.25 288.65 293.15 293.15 293.15 1)


kg ⋅ m

872.9 ± 2.0 872.9 ± 2.0 874.0 ± 1.0 871.0 ± 1.0 874.1 ± 2.0 871.3 ± 1.0


2.88 2.88 -0.50 0.10 3.20 0.40

06-kla1) 06-kla/som1) 07-kla 24-kru 50-pet/sop1) 60-top/vol



T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

881.4 ± 1.2 873.4 ± 0.4 870.9 ± 0.4 866.9 ± 0.7


[4706-89-2]

C11H16

MW = 148.25

47

[4706-90-5]

C11H16

MW = 148.25

48


ρexp ± 2σ est

Ref.

kg ⋅ m−3

873.4 ± 2.0 877.0 ± 2.0 875.2 ± 2.4

51-rob/goo 60-top/vol Recommended

1,3-Dimethyl-5-(1-methylethyl)benzene Table 1. Experimental and recommended values with uncertainties. T K

293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

862.1 ± 2.0 860.0 ± 1.0 860.6 ± 1.0 860.5 ± 1.0


51-rob/goo 54-mcc/lie 60-top/vol Recommended

88



[4132-72-3]

C11H16

MW = 148.25

49

[2049-95-8]

C11H16

MW = 148.25

50

Table 1. Experimental and recommended values with uncertainties. T K 293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.6 ± 3 876.2 ± 2.0 873.9 ± 2.0 875.0 ± 2.2

50-pet/sop 60-top/vol 63-iof/yan Recommended

(1,1-Dimethylpropyl)benzene


Coefficient A B


288.15 273.15 293.15 288.15 293.15 298.15 293.15 1)


kg ⋅ m

873.60 ± 4.00 888.80 ± 1.00 873.90 ± 1.00 874.10 ± 3.00 873.70 ± 1.00 868.40 ± 2.00 874.30 ± 0.60


-2.89 1.88 0.89 -2.39 0.69 -1.13 1.29

1888-sch-1(✕ ) 1898-kon/ego(✕ ) 1898-kon/ego(✕ ) 30-how/nas(✕ ) 38-ipa/sch(✕ ) 42-hus/kay(✕ ) 46-hus/bar(◆)

T K

303.15 294.15 293.15 293.15 293.15 293.15 293.15


kg ⋅ m

858.90 ± 6.00 872.60 ± 1.50 874.90 ± 0.50 875.20 ± 0.50 875.10 ± 0.50 874.85 ± 0.50 873.50 ± 1.50


-7.15 0.29 1.89 2.19 2.09 1.84 0.49

47-leg(✕ ) 49-sid/vdo(✕ ) 50-boo/gre(∆) 52-ano-5( ) 52-ano-6( ) 52-ina/gre(∇) 53-hus/van(✕ )

{


Further references: [03-ans/bec, 06-gle, 12-byg, 34-lov/cam, 38-oco/sow, 37-smi, 43-hen/kur, 47-tsu].

cont.


89

ρ

ρ




270.00 280.00 290.00


ρ ± σ fit kg ⋅ m−3 889.12 ± 4.00 882.16 ± 4.00 875.20 ± 2.26

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 873.01 ± 0.99 869.53 ± 1.25 868.24 ± 2.42

T K

310.00

ρ ± σ fit kg ⋅ m−3 861.28 ± 12.00

90



[4481-30-5]

C11H16

MW = 148.25

51

C11H16

MW = 148.25

52


289.15 289.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.2 ± 6.0 867.2 ± 6.0 879.5 ± 2.0 879.5 ± 2.0

03-kla-1 12-byg 38-ipa/pin-1 38-ipa/sch


[1007-26-7]


Coefficient A B


291.45 273.15 283.15 293.35 303.45 315.65


kg ⋅ m

858.10 ± 1.00 872.70 ± 1.00 864.70 ± 1.00 856.50 ± 1.00 848.30 ± 1.00 838.60 ± 1.00


0.25 0.34 0.27 0.16 -0.04 -0.07

{

12-byg( ) 16-byg(∆) 16-byg(∆) 16-byg(∆) 16-byg(∆) 16-byg(∆)

T K

325.25 339.85 349.45 365.05 293.15 293.15


kg ⋅ m

830.90 ± 1.00 819.20 ± 1.00 811.40 ± 1.00 798.70 ± 1.00 858.30 ± 2.00 855.50 ± 0.40


-0.16 -0.28 -0.47 -0.81 1.80 -1.00

16-byg(∆) 16-byg(∆) 16-byg(∆) 16-byg(∆) 38-ipa/sch(∇) 52-ano-8( )

Further references: [38-hus/fox].

cont.


91

ρ

ρ




270.00 280.00 290.00 293.15 298.15


ρ ± σ fit kg ⋅ m−3 874.85 ± 1.14 866.93 ± 1.10 859.00 ± 1.07 856.50 ± 1.06 852.54 ± 1.05

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 851.07 ± 1.05 843.14 ± 1.03 835.22 ± 1.03 827.29 ± 1.04 819.36 ± 1.05

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 811.44 ± 1.08 803.51 ± 1.11 795.58 ± 1.15 787.66 ± 1.19

92


1,2-Dimethyl-4-propylbenzene

[3982-66-9]

C11H16

MW = 148.25

53

C11H16

MW = 148.25

54

C11H16

MW = 148.25

55

C11H16

MW = 148.25

56


288.45 293.15 286.00 285.85 293.15 1)


−3

867.7 ± 3.0 864.0 ± 3.0 871.8 ± 2.0 871.9 ± 2.0 866.0 ± 2.0


-2.10 -1.85 -0.06 -0.09 0.15

21-von/zie1) 21-von/zie1) 21-von/zie 21-von/zie 21-von/zie




876.9 ± 2.0 868.5 ± 2.0 865.9 ± 2.0 861.7 ± 2.0


[17059-45-9]

Table 1. Experimental value with uncertainty. T K

292.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.6 ± 3.0

29-ber/ang


[61827-85-8]

Table 1. Experimental value with uncertainty. T K 292.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.6 ± 2.0

29-ber/ang


[3982-64-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.8 ± 0.4

48-ano-6 Landolt-Börnstein New Series IV/8E

2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1,4-Dimethyl-5-propylbenzene

[3042-50-0]

93

C11H16

MW = 148.25

57

C11H16

MW = 148.25

58

C11H16

MW = 148.25

59


303.15 293.15 303.15 313.15


863.9 ± 0.6 871.6 ± 1.0 863.9 ± 1.0 856.2 ± 1.0


0.01 -0.27 -0.03 0.29

49-les/sur 49-qua 49-qua 49-qua


T K 290.00 293.15 298.15 310.00 320.00

kg ⋅ m−3

874.4 ± 1.3 871.9 ± 1.0 867.9 ± 0.5 858.4 ± 0.7 850.4 ± 1.7

1-Ethyl-2-(1-methylethyl)benzene

[18970-44-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

874.7 ± 0.8

57-els/str

1-Ethyl-4-(1-methylethyl)benzene

[4218-48-8]


cont.


94


1-Ethyl-4-(1-methylethyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

289.15 293.15 293.15 293.15 296.15 1)


kg ⋅ m


860.6 ± 2.0 864.0 ± 4.0 864.0 ± 4.0 862.5 ± 3.0 853.0 ± 2.0

0.82 7.62 7.62 6.12 -0.83

03-kla/kei 15-wal-11) 18-wal1) 41-wel/hen1) 49-tod




867.6 ± 2.0 859.1 ± 3.0 856.4 ± 3.0 852.1 ± 3.0

(1-Ethylpropyl)benzene

[1196-58-3]

C11H16

MW = 148.25

60

Table 1. Experimental and recommended values with uncertainties. T K 294.15 294.15 294.15 288.15 288.15 293.15 292.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.5 ± 4.0 874.4 ± 4.0 870.5 ± 4.0 875.5 ± 4.0 875.5 ± 4.0 864.9 ± 2.0 874.2 ± 4.0 873.4 ± 4.0 863.0 ± 1.0 863.4 ± 1.1

1883-daf1) 1883-daf-21) 1883-daf-21) 03-kla-11) 12-byg1) 38-ipa/sch 39-den1) 39-den1) 60-vdo/kha Recommended


1-Ethyl-2-propylbenzene

[16021-20-8]

C11H16

MW = 148.25

61

Table 1. Experimental values with uncertainties. T K 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.2 ± 1.0 873.2 ± 1.0

57-els/str 57-els/str-1


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-Ethyl-3-propylbenzene

[20024-91-3]

95

C11H16

MW = 148.25

62

C 11H16

MW = 148.25

63

C11H16

MW = 148.25

64

C11H16

MW = 148.25

65


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

858.8 ± 2.0 858.8 ± 2.0

1883-ren 1884-ren

1-Ethyl-4-propylbenzene

[20024-90-2]


292.15 298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.0 ± 4.0 867.8 ± 1.0

1890-wid 54-car/eas-1

1-Ethyl-2,3,6-trimethylbenzene

[61827-87-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

898.5 ± 1.5

39-smi/kie-1


[17851-27-3]



287.15 293.15 289.00 288.90 285.30 1)


kg ⋅ m

889.0 ± 4.0 883.0 ± 4.0 886.6 ± 4.0 886.7 ± 4.0 893.7 ± 2.0


-3.07 -3.97 -3.90 -3.88 0.06

03-kla/kei1) 19-von1) 19-von1) 19-von1) 21-von/zie

T K

285.20 293.15 293.15 290.65


kg ⋅ m

893.8 ± 2.0 887.0 ± 2.0 887.5 ± 1.5 888.0 ± 2.0


0.07 0.03 0.53 -1.10

21-von/zie 21-von/zie 39-smi/kie-1 49-buc/col


cont.


96


1-Ethyl-2,4,5-trimethylbenzene (cont.) Table 3. Recommended values. T K 280.00 290.00 293.15 298.15


898.1 ± 4.0 889.6 ± 4.0 887.0 ± 4.0 882.7 ± 4.0


[3982-67-0]

C11H16

MW = 148.25

66

Table 1. Fit with estimated B coefficient for 3 accepted points. Deviation σw = 0.248. Coefficient ρ = A + BT 1120.70 A -0.800 B Table 2. Experimental values with uncertainties and deviation from calculated values. T K

291.65 289.50 293.15 291.15 293.15 298.15 1)


kg ⋅ m

890.7 ± 4.0 888.5 ± 4.0 892.5 ± 5.0 888.0 ± 2.0 885.9 ± 1.0 882.4 ± 1.0


3.32 -0.60 6.32 0.22 -0.28 0.22

03-kla/kei1) 19-von1) 39-smi/kie-11) 49-buc/col 56-lib/pry 56-lib/pry



290.00 293.15 298.15


888.7 ± 2.0 886.2 ± 2.0 882.2 ± 2.0

(1-Methylbutyl)benzene

[2719-52-0]

C11H16

MW = 148.25

67




97


294.15 294.15 290.15 293.15 298.15 293.15 1)


kg ⋅ m

859.4 ± 1.0 859.4 ± 1.0 856.6 ± 5.0 857.6 ± 3.0 855.1 ± 2.0 860.0 ± 1.0


0.77 0.77 -5.63 -1.93 0.07 0.47

T K

02-kla-2 12-byg 36-den1) 38-ipa/sch1) 38-oco/sow 38-til

290.15 293.15 293.15 293.15 298.15 293.15


kg ⋅ m

856.6 ± 1.0 852.9 ± 5.0 855.0 ± 5.0 862.1 ± 2.0 859.9 ± 4.0 860.6 ± 0.6


-5.63 -6.63 -4.53 2.57 4.87 1.07

39-den 40-ser1) 40-ser1) 40-tou/hen 42-hus/kay1) 56-ano



T K

kg ⋅ m−3

862.4 ± 2.3 859.5 ± 2.3 855.0 ± 2.3

290.00 293.15 298.15


[3968-85-2]

C11H16

MW = 148.25

68


292.15 293.15 293.15 293.15 298.15 298.15 298.15 1)


kg ⋅ m

860.0 ± 0.6 860.0 ± 0.6 861.0 ± 1.0 868.0 ± 6.0 855.0 ± 1.5 855.0 ± 1.5 859.0 ± 3.0


-1.14 -0.34 0.66 7.66 -1.34 -1.34 2.66

09-taf/jur 12-von/deu-1 25-gil/bea-2 28-zel/gav1) 35-lev/kun 35-lev/mar 35-lev/mar1)



290.00 293.15 298.15



862.9 ± 0.9 860.3 ± 0.8 856.3 ± 0.9

T K

293.15 298.15 298.15 298.15 293.15 298.15 293.15


kg ⋅ m

858.4 ± 2.0 857.6 ± 1.0 857.1 ± 1.0 857.0 ± 1.0 860.7 ± 0.4 854.4 ± 1.0 860.7 ± 0.4


-1.94 1.26 0.76 0.66 0.36 -1.94 0.36

38-ipa/sch 38-oco/sow 39-rot/lev 48-let 50-bry/tur 51-let/mau 53-tre

98


(S)-(+)-(2-Methylbutyl)benzene

[40560-30-3]

C11H16

MW = 148.25

69

C11H16

MW = 148.25

70

C11H16

MW = 148.25

71


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

857.0 ± 2.0

50-let/tra


[2049-94-7]


291.15 288.75 288.75 288.15 293.15 293.15 1)


885.0 ± 20.0 862.7 ± 2.0 862.7 ± 2.0 861.2 ± 1.5 856.0 ± 1.5 852.9 ± 3.0


25.99 1.53 1.53 -0.51 -1.21 -4.31

1892-cla1) 04-kla 12-byg 22-cla/kre 25-gil/bea-2 40-ser1)



280.00 290.00 293.15 298.15


869.0 ± 1.5 860.0 ± 1.2 857.2 ± 1.2 852.7 ± 1.4

1-Methyl-4-(1-methylpropyl)benzene

[1595-16-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

864.0 ± 3 865.8 ± 1.0 866.5 ± 0.7 866.3 ± 0.7

18-wal 41-wel/hen 43-hen/kur Recommended


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-Methyl-4-(2-methylpropyl)benzene

[5161-04-6]

99

C11H16

MW = 148.25

72

C11H16

MW = 148.25

73


292.15 292.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

864.0 ± 2.0 864.0 ± 2.0 850.9 ± 2.0 852.5 ± 2.0 863.6 ± 2.0

15-wal-1 18-wal 50-pin/str 57-syk/her 59-rom/gri

Pentamethylbenzene

[700-12-9]


Coefficient A B


296.65 380.35 348.65 380.95 381.25 430.95


kg ⋅ m

crystal 1004 ± 2.0 liquid 847.20 ± 3.00 875.70 ± 2.00 851.60 ± 2.00 851.40 ± 2.00 813.10 ± 2.00


33-hen/jef -4.07 -0.77 0.80 0.84 2.04

1893-eyk(◆) 00-dut/fri(∇) 00-dut/fri(∇) 00-dut/fri(∇) 00-dut/fri(∇)

T K

470.15 480.55 293.15 345.95 346.65 380.35 333.15


kg ⋅ m

782.20 ± 2.00 773.50 ± 2.00 921.00 ± 1.00 878.60 ± 1.00 878.00 ± 1.00 847.20 ± 2.00 889.50 ± 0.60


2.29 1.86 0.43 -0.01 -0.06 -4.07 0.72

00-dut/fri(∇) 00-dut/fri(∇) 21-von/zie( ) 21-von/zie( ) 21-von/zie( ) 33-hen/jef(∆) 37-loz/dya( )

{ { {

cont.


100


ρ

ρ

Pentamethylbenzene (cont.)



290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 923.08 ± 1.00 920.57 ± 0.99 916.60 ± 0.98 915.13 ± 0.97 907.18 ± 0.99 899.24 ± 1.06 891.29 ± 1.16 883.34 ± 1.30

T K

350.00 360.00 370.00 380.00 390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 875.39 ± 1.46 867.45 ± 1.64 859.50 ± 1.82 851.55 ± 2.00 843.60 ± 2.17 835.66 ± 2.31 827.71 ± 2.43 819.76 ± 2.52

T K

430.00 440.00 450.00 460.00 470.00 480.00 490.00

ρ ± σ fit kg ⋅ m−3 811.81 ± 2.57 803.87 ± 2.56 795.92 ± 2.50 787.97 ± 2.38 780.02 ± 2.19 772.08 ± 1.93 764.13 ± 1.60


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 Pentylbenzene

[538-68-1]

C11H16

101 MW = 148.25

74


Coefficient A B


273.15 288.15 303.15 293.15 303.15 293.15 303.15 282.35 284.65 303.45 322.95 323.65 342.95 367.95 1)


−3

874.09 ± 0.40 862.59 ± 0.40 850.98 ± 0.60 860.00 ± 1.00 852.60 ± 1.00 860.00 ± 0.60 852.60 ± 0.60 870.20 ± 1.00 868.10 ± 1.00 854.10 ± 1.00 838.50 ± 1.00 838.40 ± 1.00 823.30 ± 1.00 803.90 ± 1.00


0.10 -0.53 -1.27 0.50 0.35 0.50 0.35 2.88 2.44 2.07 0.60 1.01 -0.10 -1.38

29-sim(◆) 29-sim(◆) 29-sim(◆) 39-sch-71) 39-sch-7(✕ ) 39-sch/hop1) 39-sch/hop(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ )

T K

293.15 293.15 314.35 314.75 332.65 334.65 359.65 360.75 293.15 293.15 293.15 293.15 293.15


−3

859.30 ± 0.40 859.40 ± 0.40 843.80 ± 0.60 844.00 ± 0.80 830.60 ± 0.80 828.60 ± 0.60 809.80 ± 1.00 809.10 ± 1.00 859.02 ± 0.30 859.02 ± 0.25 859.20 ± 0.40 859.10 ± 0.50 859.10 ± 0.40


-0.20 -0.10 -0.33 0.16 -0.27 -0.82 -1.50 -1.40 -0.48 -0.48 -0.30 -0.40 -0.40

48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 50-bry/tur( ) 53-tre( ) 56-ano(∆) 57-ano-4(✕ ) 63-ano-3(∇)

{


Further references: [1883-sch-2, 12-byg, 12-von/deu-1, 21-rad/sim, 25-gil/bea-2, 34-lov/cam, 36-den, 38-ipa/sch, 39-dya/loz, 39-she/woo, 41-ju /woo, 42-lar/tho, 42-sch, 46-gar, 57-tru/hol].

cont.


102


ρ

ρ

Pentylbenzene (cont.)



270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 876.28 ± 0.49 869.03 ± 0.53 861.78 ± 0.58 859.50 ± 0.59 855.87 ± 0.62

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 854.53 ± 0.63 847.28 ± 0.69 840.04 ± 0.76 832.79 ± 0.82 825.54 ± 0.89

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 818.29 ± 0.96 811.05 ± 1.03 803.80 ± 1.11 796.55 ± 1.18


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 bis(1-Methylethyl)benzene

[25321-09-9]

103

C12H18

MW = 162.27

75

C12H18

MW = 162.27

76

C12H18

MW = 162.27

77


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

858.0 ± 1.0

46-ver/hil

1,2-bis(1-Methylethyl)benzene

[577-55-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

870.1 ± 0.6

48-mel/woo


[99-62-7]


293.15 293.15 303.15 293.15 293.15 1)



859.6 ± 2.0 856.6 ± 2.0 848.4 ± 2.0 855.9 ± 3.0 858.7 ± 1.0

1.33 -1.67 -1.37 -2.34 0.43

42-ju /woo 43-new 43-new 48-mel/woo1) 51-ano





860.9 ± 4.7 858.3 ± 1.8 854.0 ± 3.7 843.9 ± 15.5

104



[100-18-5]

C12H18

MW = 162.27

78


Coefficient A B


287.15 293.15 298.15 298.15 298.15 293.15 293.15


−3

860.00 ± 1.00 857.60 ± 1.00 855.00 ± 2.00 855.00 ± 2.00 852.50 ± 1.00 860.00 ± 2.00 857.10 ± 1.00


-2.34 -0.33 0.74 0.74 -1.76 2.07 -0.83

{

34-kir/gra( ) 35-bac-2(∆) 37-mck/sow(✕ ) 38-oco/sow(✕ ) 38-oco/sow(✕ ) 40-tou/hen(✕ ) 43-new(∇)

T K

303.15 293.15 293.15 293.15 293.15 293.15 293.15


−3

849.40 ± 1.00 859.90 ± 2.00 856.74 ± 1.00 859.20 ± 1.00 859.40 ± 1.00 856.77 ± 1.50 858.50 ± 1.00


-1.18 1.97 -1.19 1.27 1.47 -1.16 0.57

43-new(∇) 47-bal/mar(✕ ) 48-mel/woo(✕ ) 51-ano(✕ ) 51-obo/gry(◆) 56-lib/lap(✕ ) 58-zav/sig( )


280.00 290.00

ρ ± σ fit kg ⋅ m−3 867.60 ± 3.68 860.25 ± 1.06

T K

293.15 298.15

ρ ± σ fit kg ⋅ m−3 857.93 ± 1.28 854.26 ± 1.69

T K

300.00 310.00

ρ ± σ fit kg ⋅ m−3 852.90 ± 1.66 845.55 ± 1.22

cont.


105

ρ

ρ



(1,1-Dimethylbutyl)benzene

[1985-57-5]

C12H18

MW = 162.27


283.15 293.15 298.15 298.15 1)


kg ⋅ m

879.6 ± 1.0 871.8 ± 1.0 870.2 ± 3.0 868.0 ± 1.0


-0.20 0.00 2.40 0.20

10-sch-4 38-hus/fox 42-hus/kay1) 48-col/gar



79

106


(1,1-Dimethylbutyl)benzene (cont.) Table 3. Recommended values. T K 280.00 290.00 293.15 298.15


882.3 ± 2.0 874.3 ± 1.5 871.8 ± 1.7 867.8 ± 2.0

1-Butyl-2,4-dimethylbenzene

[1601-73-6]

C12H18

MW = 162.27

80

C12H18

MW = 162.27

81


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

871.3 ± 1.0

39-nig/smi

1-Butyl-2,5-dimethylbenzene

[1601-71-4]


303.15 293.15 303.15 313.15


kg ⋅ m

862.9 ± 0.5 870.5 ± 0.6 862.9 ± 0.6 855.3 ± 0.6


0.01 -0.42 -0.04 0.43


Table 3. Recommended values. T K 290.00 293.15 298.15 310.00 320.00


873.4 ± 0.7 870.9 ± 0.6 866.9 ± 0.4 857.4 ± 0.4 849.4 ± 0.9


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-Butyl-3,4-dimethylbenzene

[15880-21-4]

107

C12H18

MW = 162.27

82

C12H18

MW = 162.27

83

C12H18

MW = 162.27

84

C12H18

MW = 162.27

85

C12H18

MW = 162.27

86


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

864.6 ± 1.0

66-mek/lyu

1,3-Diethyl-2,4-dimethylbenzene

[500033-58-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

897.6 ± 1.0

54-sch-1

1,4-Diethyl-2,5-dimethylbenzene

[500035-16-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.3 ± 2.0

18-fre/fle


[66418-14-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

862.0 ± 2.0

55-mal/yav


[19219-84-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.4 ± 3.0 863.0 ± 3.0 854.7 ± 1.0


04-kla 38-ber/low 51-lev/tan

108



[28080-86-6]

C12H18

MW = 162.27

87

C12H18

MW = 162.27

88

C12H18

MW = 162.27

89

C12H18

MW = 162.27

90


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.0 ± 2.0 870.8 ± 1.0

09-taf/jur 57-pin/arr


[19219-83-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

864.6 ± 1.0

57-pin/arr


[17314-92-0]


298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

845.7 ± 1.0

50-ber/ber

1,2-Dimethyl-4-(1,1-dimethylethyl)benzene

[500019-03-4]


293.15 298.15 293.15


kg ⋅ m

873.3 ± 1.0 869.0 ± 1.0 872.4 ± 1.0


0.40 0.10 -0.50

53-sch/cla 54-car/eas 55-sch-1



875.4 ± 1.0 872.9 ± 1.0 868.9 ± 1.0


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1,3-Dimethyl-4-(1,1-dimethylethyl)benzene

[500033-54-5]

109

C12H18

MW = 162.27

91

C12H18

MW = 162.27

92


293.15 303.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

861.9 ± 1.0 937.2 ± 50.0

39-nig/smi 39-smi/per


[98-19-1]


288.15 293.15 303.15 293.15 1)


870.0 ± 1.0 865.6 ± 0.6 861.9 ± 4.0 865.6 ± 0.6


0.54 0.14 4.44 0.14

T K

31-lur/gol 39-nig/smi 39-smi/per1) 53-rod/bel

293.15 293.15 293.15


865.2 ± 0.6 865.3 ± 0.6 865.4 ± 0.6


-0.26 -0.16 -0.06

54-mcc/lie 55-sch-1 61-ste/ale



T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

876.0 ± 1.3 868.0 ± 0.4 865.5 ± 0.2 861.5 ± 0.6


[500033-56-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

875.7 ± 1.0


55-bur/klo

C12H18

MW = 162.27

93

110


1-(1,1-Dimethylethyl)-3-ethylbenzene

[500033-44-3]

C12H18

MW = 162.27

94

[500033-50-3]

C12H18

MW = 162.27

95

C12H18

MW = 162.27

96


293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.7 ± 0.6 863.5 ± 0.6 863.6 ± 0.6

51-ano 53-sch/cla Recommended

1-(1,1-Dimethylethyl)-4-ethylbenzene


293.15 293.15 298.15 1)


863.4 ± 0.6 864.1 ± 2.0 859.7 ± 1.0


-0.08 0.62 0.22

51-ano 53-sch/cla1) 54-car/eas



290.00 293.15 298.15


866.0 ± 1.0 863.5 ± 1.0 859.5 ± 1.0

1,2-Dimethyl-4-(1-methylpropyl)benzene [76291-19-5] Table 1. Experimental value with uncertainty. T K 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

875.6 ± 1.0

63-iof/yan


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1,3-Dimethyl-4-(1-methylpropyl)benzene [1483-60-9]

111

C12H18

MW = 162.27

97

C12H18

MW = 162.27

98

C12H18

MW = 162.27

99

C12H18

MW = 162.27

100

C12H18

MW = 162.27

101


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

866.5 ± 2.0

39-nig/smi

1,3-Dimethyl-4-(2-methylpropyl)benzene [500033-51-2] Table 1. Experimental value with uncertainty. T K

293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

868.9 ± 1.0

39-nig/smi

1,3-Dimethyl-5-(1-methylpropyl)benzene [500033-53-4] Table 1. Experimental value with uncertainty. T K

293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

861.6 ± 1.0

39-nig/smi

1,4-Dimethyl-2-(1-methylpropyl)benzene [3561-84-0] Table 1. Experimental value with uncertainty. T K 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.4 ± 1.0

63-iof/yan

1-(1,1-Dimethylpropyl)3-methylbenzene

[33125-57-4]


T = 253.15 to 373.15 K ρ = A + BT + CT 2 + DT 3 + … 1.09794 · 103 -7.83614 · 10-1

cont.


112


1-(1,1-Dimethylpropyl)-3-methylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

−3

kg ⋅ m

893.00 ± 3.00 888.80 ± 3.00 881.70 ± 3.00 877.40 ± 3.00 867.30 ± 3.00 860.20 ± 3.00 852.40 ± 3.00


-6.57 -2.93 -2.20 1.34 -0.92 -0.19 -0.15

{) {) {) {) {) {) {)

22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1(

T K

323.15 333.15 343.15 353.15 363.15 373.15 293.15


kg ⋅ m

845.40 ± 3.00 833.70 ± 3.00 830.40 ± 3.00 822.90 ± 3.00 816.10 ± 3.00 808.20 ± 3.00 873.90 ± 1.00


0.68 -3.18 1.36 1.69 2.73 2.66 5.68

{) {) {) {) {) {) )

22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 22-cha-1( 53-sch/cla(

ρ

ρ

253.15 263.15 273.15 283.15 293.15 303.15 313.15

ρexp ± 2σ est


cont.



113



T K

902.04 ± 3.52 894.20 ± 3.14 886.36 ± 2.88 878.53 ± 2.72 870.69 ± 2.65 868.22 ± 2.65

250.00 260.00 270.00 280.00 290.00 293.15


T K

864.31 ± 2.66 862.86 ± 2.66 855.02 ± 2.73 847.18 ± 2.84 839.35 ± 2.96 831.51 ± 3.08

298.15 300.00 310.00 320.00 330.00 340.00

1-(1,1-Dimethylpropyl)4-methylbenzene

[4237-70-1]

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 823.68 ± 3.18 815.84 ± 3.23 808.00 ± 3.22 800.17 ± 3.14

C12H18

MW = 162.27

102

C12H18

MW = 162.27

103

C12H18

MW = 162.27

104


293.15 293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

871.1 ± 1.0 859.6 ± 8.0 872.0 ± 1.0 863.9 ± 5.0 872.6 ± 1.0 871.9 ± 1.1

43-hen/kur 47-tsu1) 49-col/pic 52-kuc1) 53-sch/cla Recommended


1-(2,2-Dimethylpropyl)-4-methylbenzene [500021-47-6] Table 1. Experimental value with uncertainty. T K 298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

868.4 ± 1.0

1,2-Dipropylbenzene

54-car/eas

[17171-71-0]



114


1,2-Dipropylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

288.15 293.15


kg ⋅ m

877.0 ± 2.0 871.3 ± 1.0


0.96 -0.24

33-hal 57-els/str-1



883.4 ± 3.0 874.4 ± 2.0 871.5 ± 2.0 867.0 ± 3.0

1,3-Dipropylbenzene

[17171-72-1]

C12H18

MW = 162.27

105

C12H18

MW = 162.27

106

C12H18

MW = 162.27

107


ρexp ± 2σ est

Ref.

kg ⋅ m−3

912.6 ± 1.0

37-tsu/vik

1,4-Dipropylbenzene

[4815-57-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.0 ± 2.0 856.3 ± 2.0

(1-Ethylbutyl)benzene

25-von/lec 25-von/lec

[4468-42-2]




115


297.15 298.15 298.15 293.15 293.15 1)


kg ⋅ m

863.0 ± 6.0 853.0 ± 2.0 858.0 ± 4.0 859.5 ± 1.0 859.6 ± 1.0


7.30 -1.80 3.20 0.20 0.25

31-lev/mar-71) 39-spi/tin 42-hus/kay1) 43-gil/mea 53-lam/wis



T K 290.00 293.15 298.15

kg ⋅ m−3

862.1 ± 1.0 859.3 ± 1.0 854.8 ± 1.0

(2-Ethylbutyl)benzene

[19219-85-3]

C12H18

MW = 162.27

108

C12H18

MW = 162.27

109


ρexp ± 2σ est

Ref.

kg ⋅ m−3

868.16 ± 0.30 53-lam/wis

1-Ethyl-2-methyl-5-(1-methylethyl)benzene

[500034-51-5]


294.25 288.85 288.85 288.75


kg ⋅ m

866.5 ± 1.0 870.6 ± 1.0 870.6 ± 1.0 870.8 ± 1.0


0.13 -0.09 -0.09 0.03

06-kla 06-kla 07-kla 07-kla


116


1-Ethyl-2-methyl-5-(1-methylethyl)-benzene (cont.) Table 3. Recommended values. T K 280.00 290.00 293.15 298.15


877.8 ± 1.0 869.8 ± 1.0 867.2 ± 1.0 863.2 ± 1.0

1-Ethyl-3-methyl-6-(1-methylethyl)benzene

[500035-14-3]

C12H18

MW = 162.27

110

C12H18

MW = 162.27

111

C12H18

MW = 162.27

112

C12H18

MW = 162.27

113


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.6 ± 2.0

27-von

(1-Ethyl-1-methylpropyl)benzene

[1985-97-3]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

877.3 ± 1.0 871.8 ± 1.0

10-sch-4 38-hus/fox

1-Ethyl-3-methyl-4-propylbenzene

[500035-13-2]


284.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

883.1 ± 2.0

24-mai

1-Ethyl-4-(1-methylpropyl)benzene

[6565-57-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

862.9 ± 1.0

41-wel/hen


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-(1-Ethylpropyl)-4-methylbenzene

[22975-58-2]

117

C12H18

MW = 162.27

114

C12H18

MW = 162.27

115


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.4 ± 1.0

43-hen/kur

Hexamethylbenzene

[87-85-4]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 2.0238 · 10-1 (combined temperature ranges, weighted), σc,uw = 5.8235 · 10-2 (combined temperature ranges, unweighted). T = 454.50 to 511.50 K ρ = A + BT + CT 2 + DT 3 + … 1.36948 · 103 8.48578 · 10-4

Coefficient A B


454.50 458.80 466.10 470.50 475.00 478.10 483.10 487.00 1)


kg ⋅ m

817.80 ± 0.66 814.80 ± 0.66 808.90 ± 0.66 805.40 ± 0.66 801.40 ± 0.66 799.10 ± 0.66 795.10 ± 0.66 792.00 ± 0.66


-0.34 0.20 0.24 0.28 -0.14 0.01 -0.08 -0.15

) ) ) ) ) ) ) )

85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee(


T K

489.90 496.00 501.20 504.90 508.20 510.70 511.50


kg ⋅ m

789.80 ± 0.66 785.90 ± 0.66 781.50 ± 0.66 778.50 ± 0.66 776.00 ± 0.66 774.70 ± 0.65 773.60 ± 0.65


-0.12 0.63 0.14 -0.10 -0.16 0.37 -0.14

) ) ) ) ) )

85-shi/gee( 85-shi/gee1) 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee( 85-shi/gee(


450.00 460.00 470.00

ρ ± σ fit kg ⋅ m−3 821.89 ± 0.91 813.62 ± 0.72 805.52 ± 0.68

T K

480.00 490.00 500.00

ρ ± σ fit kg ⋅ m−3 797.60 ± 0.69 789.84 ± 0.69 782.26 ± 0.68

T K

510.00 520.00

ρ ± σ fit kg ⋅ m−3 774.84 ± 0.71 767.59 ± 0.88

cont.


118


ρ

ρ

Hexamethylbenzene (cont.)


Hexylbenzene

[1077-16-3]

C12H18

MW = 162.27

116


T = 273.15 to 367.95 K ρ = A + BT + CT 2 + DT 3 + … 1.06096 · 103 -6.90758 · 10-1

cont.



119

Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

273.15 288.15 303.15 293.15 303.15 282.15 302.85 322.95 342.85 367.95 293.15 293.15 1)

875.25 ± 2.00 863.92 ± 2.00 852.57 ± 2.00 859.20 ± 0.60 852.40 ± 0.60 868.50 ± 2.00 852.60 ± 2.00 837.10 ± 2.00 822.30 ± 2.00 802.70 ± 2.00 859.20 ± 1.00 859.00 ± 1.00


2.97 2.00 1.01 0.73 0.84 2.44 0.83 -0.78 -1.84 -4.10 0.73 0.53

29-sim(✕ ) 29-sim1) 29-sim1) 39-sch/hop(◆) 39-sch/hop(◆) 40-ju /she(✕ ) 40-ju /she1) 40-ju /she(✕ ) 40-ju /she(✕ ) 40-ju /she(✕ ) 42-sch(✕ ) 43-gil/mea(✕ )

T K

293.15 293.15 315.15 335.95 359.65 293.15 293.15 293.15 298.15 293.15 298.15


kg ⋅ m

859.50 ± 1.00 860.20 ± 2.00 844.10 ± 2.00 829.20 ± 2.00 811.60 ± 2.00 858.28 ± 0.40 858.28 ± 0.40 858.02 ± 0.40 854.28 ± 0.40 858.00 ± 0.40 854.26 ± 0.40


1.03 1.73 0.83 0.30 -0.93 -0.19 -0.19 -0.45 -0.73 -0.47 -0.75

43-gil/mea(✕ ) 48-vog-61) 48-vog-6(✕ ) 48-vog-6(✕ ) 48-vog-6(✕ ) 50-bry/tur( ) 53-tre( ) 61-jes/sta(∇) 61-jes/sta(∇) 63-mea/sta(∆) 63-mea/sta(∆)

{


ρ

ρ

Further references: [1893-bro, 1893-bro-1, 12-von/deu-1, 25-gil/bea-2, 39-den, 39-she/woo, 41-ju /woo, 46-gar, 48-tsc, 54-cym/dav, 54-naz/kak-3].



120


Hexylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

270.00 280.00 290.00 293.15 298.15



T K

874.46 ± 2.62 867.55 ± 1.42 860.64 ± 0.83 858.47 ± 0.75 855.01 ± 0.71

853.73 ± 0.72 846.83 ± 0.96 839.92 ± 1.40 833.01 ± 1.90 826.10 ± 2.31

300.00 310.00 320.00 330.00 340.00

1-(1-Methylethyl)-4-propylbenzene

T K

[22975-62-8]

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 819.20 ± 2.49 812.29 ± 2.31 805.38 ± 1.65 798.47 ± 2.00

C12H18

MW = 162.27

117

C12H18

MW = 162.27

118

MW = 162.27

119


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.0 ± 2.0

25-ber

1-(1-Methylethyl)-2,4,5trimethylbenzene

[10222-95-4]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

879.5 ± 2.0

06-von/koc

1-(1-Methylethyl)-2,4,6trimethylbenzene

[500015-02-1]

C12H18

Table 1. Experimental and recommended values with uncertainties. T K 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

888.0 ± 1.0 863.2 ± 20.0 886.2 ± 2.0 887.6 ± 1.2

53-ano-10 62-lev/kos1) 63-iof/yan Recommended



2.2 Alkylbenzenes (CnH2n-6), C11 - C12 1-Methyl-4-(1-methylbutyl)-benzene

[13633-04-0]

C12H18

121 MW = 162.27

120


293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.1 ± 1.0 866.3 ± 3.0 863.2 ± 1.0 863.1 ± 1.0

41-wel/hen 65-zav/kog1) 66-yan/vdo Recommended


1-Methyl-4-(2-methylbutyl)benzene

[17392-46-0]

C12H18

MW = 162.27

121

C12H18

MW = 162.27

122


ρexp ± 2σ est

Ref.

kg ⋅ m−3

858.2 ± 1.0

61-ale/ste

(1-Methylpentyl)benzene

[6031-02-3]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.8430 (combined temperature ranges, weighted), σc,uw = 7.2503 · 10-1 (combined temperature ranges, unweighted). T = 277.15 to 298.15 K ρ = A + BT + CT 2 + DT 3 + … 1.17868 · 103 -1.08652

Coefficient A B


288.15 277.15 296.65 298.15


kg ⋅ m

869.00 ± 2.00 876.00 ± 2.00 858.10 ± 2.00 855.00 ± 1.00


3.40 -1.55 1.74 0.27

T K


kg ⋅ m

1893-bro(✕ ) 293.15 858.65 ± 1.00 30-til/kur(◆) 293.15 859.00 ± 1.00 30-til/kur(◆) 293.15 859.00 ± 1.00 31-lev/mar-7( )

{


-1.52 -1.17 -1.17

42-hus/kay(∆) 43-gil/mea(∇) 86-pla/sha( )

cont.


122


ρ

ρ

(1-Methylpentyl)benzene (cont.)



270.00 280.00 290.00



T K

885.32 ± 3.04 874.45 ± 2.17 863.59 ± 1.49


860.17 ± 1.37 854.73 ± 1.31 852.72 ± 1.34

293.15 298.15 300.00

[39916-61-5]

T K

310.00

C12H18

ρ ± σ fit kg ⋅ m−3 841.86 ± 1.86

MW = 162.27

123


298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

858.4 ± 1.0

12-bje


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 (3-Methylpentyl)benzene

[54410-69-4]

123

C12H18

MW = 162.27

124

C12H18

MW = 162.27

125

C12H18

MW = 162.27

126


287.65 298.15 298.15 1)



864.4 ± 1.0 855.0 ± 1.0 858.5 ± 3.0

-0.02 0.03 3.53

04-kla/sau 35-lev/mar-2 39-rot/lev1)



T K

kg ⋅ m−3

871.3 ± 1.3 862.3 ± 1.0 859.5 ± 1.0 855.0 ± 1.0

280.00 290.00 293.15 298.15


[4215-86-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.8 ± 2.0

1883-sch-2

1-Methyl-2-pentylbenzene

[1595-07-9]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

872.5 ± 2.0


34-lov/cam

124


1-Methyl-3-pentylbenzene

[1595-08-0]

C12H18

MW = 162.27

127

[1595-09-1]

C12H18

MW = 162.27

128

[500035-15-4]

C12H18

MW = 162.27

129

C12H18

MW = 162.27

130


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.9 ± 4.0 864.7 ± 3.0 860.0 ± 3.0

1884-ess/gos 1884-ess/gos 34-lov/cam

1-Methyl-4-pentylbenzene Table 1. Experimental and recommended values with uncertainties. T K

293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

857.0 ± 1.0 858.2 ± 1.0 858.2 ± 1.0 857.8 ± 1.0

34-lov/cam 41-sch/sch 41-sch/sch-1 Recommended

1-Propyl-2,4,5-trimethylbenzene


ρexp ± 2σ est

Ref.

kg ⋅ m−3

887.0 ± 2.0

28-hol

1-Propyl-2,4,6-trimethylbenzene

[500033-57-8]


293.15 298.15 293.15 298.15


kg ⋅ m

877.3 ± 2.0 875.7 ± 2.0 878.2 ± 1.0 874.4 ± 1.0


-0.94 1.26 -0.04 -0.04

1895-toh 04-kla/sta 56-lib/pry 56-lib/pry cont.



125


T K

kg ⋅ m−3

880.6 ± 0.8 878.2 ± 0.6 874.4 ± 0.6

290.00 293.15 298.15

1,2,4-Triethylbenzene

[877-44-1]

C12H18

MW = 162.27

131

C12H18

MW = 162.27

132


290.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

881.9 ± 3.0 882.0 ± 4.0 873.8 ± 2.0

03-kla/kei 37-kur/hea 50-nic/hei

1,3,5-Triethylbenzene

[102-25-0]


Coefficient A B C


293.15 290.15 293.15 273.00 298.15 293.15 293.15 293.15 323.14 1)


kg ⋅ m

863.30 ± 1.00 863.60 ± 1.00 863.00 ± 1.00 877.20 ± 1.50 856.80 ± 1.50 862.10 ± 0.60 862.40 ± 0.60 863.30 ± 1.00 839.10 ± 0.32


0.81 -1.16 0.51 -0.37 -1.89 -0.39 -0.09 0.81 -0.25

1899-kla(✕ ) 03-kla/kei(✕ ) 37-kur/hea(∇) 38-dil/rei(✕ ) 38-dil/rei1) 46-ano-8(∆) 51-chi( ) 54-mcc/lie(◆) 97-ste/chi( )

{

T K

348.13 373.12 398.12 423.11 448.11 473.11 668.30 675.30 678.80


kg ⋅ m

819.50 ± 0.35 799.40 ± 0.37 778.30 ± 0.40 755.20 ± 0.42 733.70 ± 0.45 711.80 ± 0.47 368.80 ± 2.00 360.30 ± 3.00 274.80 ± 4.00


0.07 0.45 0.42 -1.05 -0.34 0.55

) ) ) ) ) )

97-ste/chi( 97-ste/chi( 97-ste/chi( 97-ste/chi( 97-ste/chi( 97-ste/chi( 97-ste/chi2) 97-ste/chi2) 97-ste/chi2)

Not included in Fig. 1. 2) Insufficient data to fit these points

cont.


126


1,3,5-Triethylbenzene (cont.)

ρ

ρ

Further references: [34-war/ful, 48-bal/mar].



270.00 280.00 290.00 293.15 298.15 300.00 310.00 320.00

ρ ± σ fit kg ⋅ m−3 879.79 ± 1.55 872.37 ± 1.22 864.87 ± 0.95 862.49 ± 0.88 858.69 ± 0.77 857.27 ± 0.74 849.59 ± 0.57 841.81 ± 0.45

T K

330.00 340.00 350.00 360.00 370.00 380.00 390.00 400.00

ρ ± σ fit kg ⋅ m−3 833.94 ± 0.37 825.97 ± 0.33 817.92 ± 0.32 809.77 ± 0.32 801.54 ± 0.34 793.21 ± 0.37 784.79 ± 0.40 776.27 ± 0.44

T K

410.00 420.00 430.00 440.00 450.00 460.00 470.00 480.00

ρ ± σ fit kg ⋅ m−3 767.67 ± 0.47 758.97 ± 0.51 750.18 ± 0.54 741.31 ± 0.56 732.33 ± 0.57 723.27 ± 0.56 714.12 ± 0.55 704.87 ± 0.53


2.2 Alkylbenzenes (CnH2n-6), C11 - C12 (1,1,2-Trimethylpropyl)-benzene

[26356-11-6]

127

C12H18

MW = 162.27

133

C12H18

MW = 162.27

134

Table 1. Experimental and recommended values with uncertainties. T K 293.15 293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.4 ± 1.0 883.5 ± 2.0 881.4 ± 1.0 884.3 ± 2.0 878.0 ± 4.0 881.9 ± 1.0

38-hus/fox 46-hus/bar 53-hus/van 54-sch/wes 55-mal/yav1) Recommended


(1,2,2-Trimethylpropyl)benzene

[19262-20-5]



298.15 293.15 298.15 1)


kg ⋅ m

876.3 ± 5.0 874.5 ± 0.8 870.0 ± 0.8


6.30 -0.00 -0.00

42-hus/kay1) 54-sch/wes 56-cor/tie



290.00 293.15 298.15



877.3 ± 0.6 874.5 ± 0.5 870.0 ± 1.2

Empty page 128

2.3 Alkylbenzenes (CnH2n-6), C13

129

2.3 Alkylbenzenes (CnH2n-6), C13 1,3-bis(1-Methylethyl)-2-methylbenzene

[500035-20-1]

C13H20

MW = 176.30

135

C13H20

MW = 176.30

136

C13H20

MW = 176.30

137


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

876.8 ± 2.0

35-des-3

1,3-bis(1-Methylethyl)-4-methylbenzene

[500013-44-5]

Table 1. Fit with estimated B coefficient for 6 accepted points. Deviation σw = 1.157. Coefficient ρ = A + BT A 1087.56 B -0.760 Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp − ρcalc Ref. ρexp ± 2σ est T kg ⋅ m−3 K kg ⋅ m−3 273.15 293.15 293.15 293.15 293.15 293.15

880.0 ± 2.0 866.4 ± 2.0 863.6 ± 2.0 865.6 ± 2.0 863.0 ± 2.0 865.2 ± 2.0

0.03 1.63 -1.17 0.83 -1.77 0.43

1895-bar/bou 35-des-2 48-pin/wei 54-car/eas 54-car/eas 59-rom/gri


T K

kg ⋅ m−3

882.4 ± 2.3 874.8 ± 1.5 867.2 ± 1.2 864.8 ± 1.2 861.0 ± 1.4

270.00 280.00 290.00 293.15 298.15

1,3-bis(1-Methylethyl)-5-methylbenzene

[3055-14-9]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

857.2 ± 0.6


54-mcc/lie

130


1-Butyl-4-ethyl-2-methylbenzene

[500035-17-6]

C13H20

MW = 176.30

138

C13H20

MW = 176.30

139


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.2 ± 2.0

24-mai

1-Butyl-2-propylbenzene

[71521-82-9]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

866.2 ± 1.0

57-els/str-1

(1,1-Diethylpropyl)benzene

[4170-84-7]

C13H20

MW = 176.30

140


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

882.6 ± 4.0 874.7 ± 4.0 869.2 ± 4.0 859.3 ± 4.0 851.3 ± 4.0 843.7 ± 4.0

1)

1879-cia 1879-cia1) 1879-cia1) 1879-cia1) 1879-cia1) 1879-cia1)

T K 348.25 298.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

826.2 ± 4.0 865.6 ± 4.0 878.6 ± 5.0 889.8 ± 0.4 889.8 ± 0.4

1879-cia1) 10-sch-41) 38-hus/fox1) 52-ano-6 Recommended


1-(1,1-Dimethylethyl)-4-ethyl3-methylbenzene

[500005-72-1]

C13H20

MW = 176.30

141

C13H20

MW = 176.30

142


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.9 ± 1.0

55-sch-1

1-(1,1-Dimethylethyl)-3(1-methylethyl)benzene

[20033-12-9]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

854.7 ± 1.0

52-hen/dri


2.3 Alkylbenzenes (CnH2n-6), C13 1-(1,1-Dimethylethyl)-4(1-methylethyl)benzene

[4132-49-4]

131

C13H20

MW = 176.30

143

C13H20

MW = 176.30

144

C13H20

MW = 176.30

145



288.15 298.15


kg ⋅ m

864.8 ± 2.0 857.5 ± 1.0


-0.08 0.02

34-bar-2 52-hen/dri


T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

870.9 ± 1.2 863.5 ± 0.8 861.2 ± 0.8 857.5 ± 0.8

1-(1,1-Dimethylethyl)-4-propylbenzene

[58567-80-9]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

858.2 ± 1.0

58-pin/sch

1-(1,1-Dimethylethyl)2,3,5-trimethylbenzene

[500014-34-6]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

897.7 ± 2.0


54-car/eas

132


1,2-Dimethyl-4-(1-methylbutyl)benzene

[13633-05-1]

C13H20

MW = 176.30

146

C13H20

MW = 176.30

147

C13H20

MW = 176.30

148

C13H20

MW = 176.30

149


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.4 ± 1.0

66-yan/vdo


[13633-06-2]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.2 ± 1.0

66-yan/vdo


[942-08-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

868.6 ± 1.0

66-yan/vdo

(1,1-Dimethylpentyl)benzene

[19219-89-7]


293.15 293.15 298.15 293.15 1)


kg ⋅ m

873.7 ± 1.0 873.7 ± 1.0 868.8 ± 1.0 887.3 ± 10.0


0.10 0.10 -0.20 13.70

38-hus/fox 39-den 42-hus/kay 46-hus/bar1)




876.5 ± 1.3 873.6 ± 0.6 869.0 ± 0.9 Landolt-Börnstein New Series IV/8E

2.3 Alkylbenzenes (CnH2n-6), C13 (1,2-Dimethylpentyl)benzene

[500034-34-4]

133

C13H20

MW = 176.30

150

C13H20

MW = 176.30

151

C13H20

MW = 176.30

152

C13H20

MW = 176.30

153

C13H20

MW = 176.30

154


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

876.7 ± 2.0

42-hus/kay


[24000-19-9]

Table 1. Experimental and recommended values with uncertainties. T K 288.15 298.15 298.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.6 ± 10.0 877.7 ± 2.0 877.7 ± 2.0

02-kla-11) 42-hus/kay Recommended



[54518-00-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.59 ± 0.30 53-lam/wis


[52809-43-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

944.3 ± 50.0 847.7 ± 1.0 847.7 ± 1.0

30-hil/bru1) 50-ber/ber Recommended


1,4-Dimethyl-2-pentylbenzene

[3042-52-2]


303.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

862.1 ± 0.5


49-les/sur

134


1-(1,1-Dimethylpropyl)-4-ethylbenzene

[1130-58-1]

C13H20

MW = 176.30

155

C13H20

MW = 176.30

156

C13H20

MW = 176.30

157

C13H20

MW = 176.30

158

C13H20

MW = 176.30

159


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

857.2 ± 1.0

58-pin/sch

1-(2,2-Dimethylpropyl)-4-ethylbenzene

[500034-50-4]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

870.4 ± 1.0

54-car/eas

1,3-Dipropyl-4-methylbenzene

[100451-97-6]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.4 ± 2.0

59-rom/gri

1-(1-Ethylbutyl)-4-methylbenzene

[500033-59-0]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

853.6 ± 2.0

39-spi/tin

(1-Ethyl-1,2-dimethylpropyl)benzene

[69719-07-9]


293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.3 ± 1.0 882.0 ± 1.0 881.1 ± 1.2

38-hus/fox 53-hus/van Recommended


2.3 Alkylbenzenes (CnH2n-6), C13 (1-Ethyl-2,2-dimethylpropyl)benzene

[500035-51-8]

135

C13H20

MW = 176.30

160

[4468-40-0]

C13H20

MW = 176.30

161

[17689-64-4]

C13H20

MW = 176.30

162

C13H20

MW = 176.30

163

C13H20

MW = 176.30

164


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.0 ± 1.0

42-hus/kay

(1-Ethyl-1-methylbutyl)benzene Table 1. Experimental and recommended values with uncertainties. T K

293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.9 ± 2.0 878.6 ± 1.0 879.3 ± 1.2

04-dar 38-hus/fox Recommended

(1-Ethyl-3-methylbutyl)benzene


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

865.4 ± 2.0 853.9 ± 2.0 850.1 ± 2.0

42-hus/kay 59-goe/mul 59-goe/mul

1-Ethyl-4-(1-methylbutyl)benzene

[92102-07-3]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

862.6 ± 1.0

41-wel/hen

1-Ethyl-3-methyl-4-(2-methylpropyl)benzene

[500035-18-7]


284.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

886.3 ± 2.0


24-mai

136


(1-Ethylpentyl)benzene

[2132-85-6]

C13H20

MW = 176.30

165

C13H20

MW = 176.30

166



298.15 298.15 298.15 298.15 298.15 293.15

ρexp ± 2σ est


kg ⋅ m

−3

856.0 ± 1.0 856.0 ± 1.0 855.8 ± 1.0 855.8 ± 1.0 856.9 ± 2.0 859.0 ± 1.5

0.10 0.10 -0.10 -0.10 1.00 -0.60

1887-fri/cra 28-dec 28-hol 39-rot/lev 42-hus/kay 48-naz/kot


290.00 293.15 298.15


861.9 ± 1.0 859.6 ± 1.0 855.9 ± 1.0

Heptylbenzene

[1078-71-3]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 2.8983 · 10-1 (combined temperature ranges, weighted), σc,uw = 1.1785 · 10-1 (combined temperature ranges, unweighted). Coefficient A B C

T = 281.55 to 367.95 K ρ = A + BT + CT 2 + DT 3 + … 1.04856 · 103 -5.65237 · 10-1 -2.74315 · 10-4

cont.



137


293.15 303.15 293.15 303.15 281.55 1)


kg ⋅ m

859.20 ± 0.40 852.20 ± 0.40 859.20 ± 0.40 852.20 ± 0.40 867.80 ± 1.00


-0.08 0.20 -0.08 0.20 0.13

{ {

39-sch-7( ) 39-sch-7( ) 39-sch/hop( ) 39-sch/hop( ) 40-ju /she(∆)

T K

302.85 322.95 342.85 367.95


kg ⋅ m

852.00 ± 1.00 837.00 ± 1.00 822.10 ± 1.00 803.90 ± 1.00


-0.22 -0.40 -0.42 0.46

40-ju /she1) 40-ju /she(∆) 40-ju /she(∆) 40-ju /she(∆)


ρ

ρ

Further references: [12-von/deu-1, 24-eis/sch, 34-lov/cam, 39-den, 39-she/woo, 41-ju /woo, 42-sch, 43gil/mea, 46-gar, 49-lut, 50-naz/fis-1, 74-gav/bul].


cont.


138


Heptylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

280.00 290.00 293.15 298.15 300.00



T K

868.79 ± 1.16 861.57 ± 0.62 859.28 ± 0.53 855.65 ± 0.45 854.30 ± 0.45

846.97 ± 0.56 839.59 ± 0.77 832.16 ± 1.00 824.67 ± 1.20 817.12 ± 1.30

310.00 320.00 330.00 340.00 350.00

1-Hexyl-4-methylbenzene

[1595-01-3]

T K

360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 809.52 ± 1.27 801.87 ± 1.12 794.16 ± 1.12

C13H20

MW = 176.30

167

C13H20

MW = 176.30

168


ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.9 ± 2.0

41-sch/sch-1

[1-(1-Methylethyl)butyl]benzene

[24000-17-7]



298.15 293.15


857.1 ± 2.0 860.9 ± 2.0


0.05 -0.05

59-goe/mul 59-goe/mul



863.4 ± 1.0 861.0 ± 1.0 857.0 ± 1.0 Landolt-Börnstein New Series IV/8E

2.3 Alkylbenzenes (CnH2n-6), C13 1-(1-Methylethyl)-4-(1-methylpropyl)benzene

[27702-09-6]

139

C13H20

MW = 176.30

169

C13H20

MW = 176.30

170

C13H20

MW = 176.30

171


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

836.1 ± 1.0

58-pin/sch

1-(1-Methylethyl)-4-(2-methylpropyl)benzene

[500035-55-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

858.9 ± 1.0

57-shv

(1-Methylhexyl)benzene

[2132-84-5]


Coefficient A B


273.15 294.65 293.15


kg ⋅ m

877.20 ± 1.00 859.80 ± 1.00 861.00 ± 1.00


0.22 -0.43 -0.40

29-kas(∇) 29-kas(∇) 38-til( )

T K

298.15 293.15


kg ⋅ m

858.50 ± 1.00 861.00 ± 1.00


1.00 -0.40

{

42-hus/kay( ) 42-ju /woo(∆)


270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 879.44 ± 1.44 871.64 ± 1.13 863.85 ± 1.00

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 861.40 ± 1.01 857.50 ± 1.07 856.06 ± 1.11

T K

310.00

ρ ± σ fit kg ⋅ m−3 848.26 ± 1.41

cont.


140


ρ

ρ

(1-Methylhexyl)benzene (cont.)



[3200-11-1]

C13H20

MW = 176.30

172


293.15 298.15


855.8 ± 2.0 852.1 ± 2.0


-0.05 0.05

59-goe/mul 59-goe/mul cont.



141


T K

kg ⋅ m−3

858.2 ± 1.0 855.9 ± 1.0 852.0 ± 1.0

290.00 293.15 298.15


[92102-12-0]

C13H20

MW = 176.30

173

C13H20

MW = 176.30

174


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

853.5 ± 1.0

57-pin/arr


[17697-65-3]



293.15 298.15


854.7 ± 2.0 850.9 ± 2.0


-0.00 -0.00


290.00 293.15 298.15



857.1 ± 1.0 854.7 ± 1.0 850.9 ± 1.0

59-goe/mul 59-goe/mul

142


1-Methyl-4-(1-methylethyl)-2propylbenzene

[500035-19-8]

C13H20

MW = 176.30

! 175

C13H20

MW = 176.30

176

C13H20

MW = 176.30

177

C13H20

MW = 176.30

178

C13H20

MW = 176.30

179


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

902.0 ± 30.0 868.5 ± 2.0 868.5 ± 2.0

1892-cla1) 07-kla Recommended


[2-Methyl-1-(1-methylethyl)propyl]benzene

[21777-84-4]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.77 ± 0.30 53-lam/wis

1-Methyl-4-(4-methylpentyl)benzene

[500034-00-4]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

855.6 ± 2.0

59-rom/gri

1-(1-Methylpropyl)-2,4,6trimethylbenzene

[500029-97-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

886.5 ± 1.0

63-iof/yan

1-(2-Methylpropyl)-2,4,6trimethylbenzene

[500035-21-2]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

878.2 ± 2.0

04-kla/sta


2.3 Alkylbenzenes (CnH2n-6), C13 (1-Propylbutyl)benzene

[2132-86-7]

143

C13H20

MW = 176.30

180

C13H20

MW = 176.30

181

C13H20

MW = 176.30

182


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

861.3 ± 1.0

42-hus/kay

(1,1,2-Trimethylbutyl)benzene

[69719-09-1]


293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.1 ± 2.0 880.1 ± 2.0

38-hus/fox 53-hus/van

(1,1,3-Trimethylbutyl)benzene

[4406-52-4]



288.15 293.15 293.15 293.15 1)



874.1 ± 2.0 872.4 ± 1.0 863.8 ± 4.0 872.4 ± 1.0

-1.60 0.20 -8.40 0.20

10-sch-4 38-hus/fox 41-lev/pan1) 44-hus/awu



280.00 290.00 293.15 298.15



881.4 ± 12.6 874.4 ± 2.7 872.2 ± 0.8 868.7 ± 5.6

Empty page 144


145

2.4 Alkylbenzenes (CnH2n-6), C14 1,3-bis(1,1-Dimethylethyl)benzene

[1014-60-4]

C14H22

MW = 190.33

183

C14H22

MW = 190.33

184



293.15 298.15

ρexp ± 2σ est


kg ⋅ m

−3

858.9 ± 0.7 854.7 ± 0.7

0.10 -0.10

49-pin/cza 49-pin/cza


290.00 293.15 298.15


861.3 ± 0.5 858.8 ± 0.5 854.8 ± 0.5

1,4-Bis(1,1-dimethylethyl)benzene

[1012-72-2]

Tc = 708.00 K [95-tso/amb] ρc = 260.00 kg·m-3 [95-tso/amb] Table 1. Coefficients for the polynomial expansion equations. Standard deviations (see introduction): σ = 1.5168 (low temperature range), σc,w = (8.4428 · 10-1 combined temperature ranges, weighted), σc,uw = 3.9876 · 10-1 (combined temperature ranges, unweighted). O

Coefficient

A B C D

T = 293.15 to 566.40 K T = 566.40 to 708.00 K ρ = A + BT + CT 2 + DT 3 + … ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)] [ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] 2 9.52253 · 10 -1.52237 -7.50323 · 10-2 6.73307 · 10-2 -4 -8.59914 · 10 -6.79482 · 10-4 2.05550 · 10-6 cont.


146


1,4-Bis(1,1-dimethylethyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

293.15 373.12 398.12 423.11 448.11 473.11 1)

854.70 ± 1.00 805.90 ± 0.25 785.70 ± 0.27 765.80 ± 0.29 745.70 ± 0.32 724.90 ± 0.34


-1.66 1.36 -0.39 -0.76 -0.26 0.62

) {) {) {) {) {)

43-hen/aus( 97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1(

T K

498.11 523.11 656.00 700.30 707.00


kg ⋅ m

702.60 ± 0.36 677.70 ± 0.39 504.90 ± 1.00 351.60 ± 2.00 313.00 ± 5.00


1.08 0.01 0.00 -0.12 3.42

{) {) {) {) {)

97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1( 97-ste/chi-1(


ρ

ρ

Further references: [38-hus/fox].


cont.



147



T K

858.18 ± 1.20 856.36 ± 1.14 853.44 ± 1.05 852.35 ± 1.02 846.36 ± 0.86 840.19 ± 0.72 833.85 ± 0.60 827.34 ± 0.50 820.65 ± 0.43 813.80 ± 0.36 806.77 ± 0.32 799.57 ± 0.30 792.20 ± 0.28 784.65 ± 0.28 776.94 ± 0.29

290.00 293.15 298.15 300.00 310.00 320.00 330.00 340.00 350.00 360.00 370.00 380.00 390.00 400.00 410.00


T K

769.05 ± 0.30 760.99 ± 0.31 752.76 ± 0.33 744.36 ± 0.35 735.78 ± 0.36 727.03 ± 0.38 718.11 ± 0.39 709.02 ± 0.41 699.76 ± 0.42 690.32 ± 0.43 680.72 ± 0.44 670.94 ± 0.46 660.99 ± 0.50 650.86 ± 0.70 640.57 ± 1.20

420.00 430.00 440.00 450.00 460.00 470.00 480.00 490.00 500.00 510.00 520.00 530.00 540.00 550.00 560.00

1,2-bis(1-Methylethyl)-4,5dimethylbenzene

[500035-54-1]

T K

570.00 580.00 590.00 600.00 610.00 620.00 630.00 640.00 650.00 660.00 670.00 680.00 690.00 700.00

ρ ± σ fit kg ⋅ m−3 630.77 ± 2.83 627.07 ± 4.09 626.37 ± 5.00 624.32 ± 4.70 617.83 ± 3.87 605.04 ± 3.00 585.17 ± 2.41 558.51 ± 2.00 526.21 ± 1.65 490.20 ± 1.30 452.94 ± 1.30 417.05 ± 1.40 384.43 ± 1.62 352.80 ± 2.20

C14H22

MW = 190.33

185

C14H22

MW = 190.33

186

C14H22

MW = 190.33

187


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.9 ± 1.0

60-top/vol

1,5-bis(1-Methylethyl)-2,4dimethylbenzene

[500035-56-3]


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

872.0 ± 1.0

60-top/vol

1,4-bis(1-Methylpropyl)benzene

[1014-41-1]

Table 1. Fit with estimated B coefficient for 3 accepted points. Deviation σw = 0.302. Coefficient ρ = A + BT A 1063.26 B -0.700 cont.


148


1,4-bis(1-Methylpropyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

298.15 293.15 293.15 293.15 293.15 293.15 293.15 1)


kg ⋅ m

854.8 ± 1.0 862.0 ± 3.0 868.6 ± 10.0 857.3 ± 2.0 861.3 ± 3.0 861.2 ± 3.0 858.0 ± 1.0


0.24 3.94 10.54 -0.76 3.24 3.14 -0.06

37-mck/sow 40-tou/hen1) 41-wel/hen1) 43-hen/aus 47-bal/mar1) 49-sid/vdo1) 56-top/kur




860.3 ± 1.2 858.1 ± 1.0 854.6 ± 1.0

1,4-bis(2-Methylpropyl)benzene

[17171-78-7]

C14H22

MW = 190.33

188

C14H22

MW = 190.33

189

C14H22

MW = 190.33

190


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

845.6 ± 3.0 857.8 ± 3.0

43-hen/aus 57-shv

1-Butyl-4-(1,1-dimethylethyl)benzene

[14011-00-8]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

859.5 ± 2.0

43-hen/aus

1-Butyl-2-methyl-5-(1-methylethyl)benzene

[500034-36-6]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

892.0 ± 3.0 908.2 ± 3.0

1892-cla 49-mal/bar Landolt-Börnstein New Series IV/8E

2.4 Alkylbenzenes (CnH2n-6), C14 1-Butyl-4-(1-methylpropyl)benzene

[37909-91-4]

149

C14H22

MW = 190.33

191

[62449-91-6]

C14H22

MW = 190.33

192

[500027-97-4]

C14H22

MW = 190.33

193

C14H22

MW = 190.33

194


ρexp ± 2σ est

Ref.

kg ⋅ m−3

857.0 ± 2.0

43-hen/aus

1-Butyl-4-(2-methylpropyl)benzene


ρexp ± 2σ est

Ref.

kg ⋅ m−3

850.8 ± 2.0 855.5 ± 2.0 853.1 ± 2.6

43-hen/aus 57-shv Recommended

1,2-Dibutylbenzene


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

864.0 ± 1.0

57-els/str-1

1,4-Dibutylbenzene

[1571-86-4]


293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

855.6 ± 2.0 855.5 ± 2.0 858.4 ± 2.0 856.5 ± 2.3


43-hen/aus 45-mat/gro 60-pet/nik Recommended

150


(1,2-Diethylbutyl)benzene

[500015-99-6]

C14H22

MW = 190.33

195

C14H22

MW = 190.33

196

C14H22

MW = 190.33

197

C14H22

MW = 190.33

198

C14H22

MW = 190.33

199


289.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

874.8 ± 4.0 878.8 ± 2.0 875.2 ± 2.0 877.0 ± 2.4

14-hal1) 44-hus 48-hus/goe Recommended


(2,2-Diethylbutyl)benzene

[500034-35-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

867.0 ± 2.0

55-mal/yav

1,2-Diethyl-4-(1,1-dimethylethyl)benzene

[65276-17-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.6 ± 1.0

55-sch-1

1, 1-Diethyl-1-(1-methylethyl)benzene

[500017-75-4]


293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.6 ± 10.0 857.3 ± 2.0 857.3 ± 2.0

44-hus1) 48-hus/goe Recommended


1,3-Dimethyl-5-(1,1-dimethylethyl)2-ethylbenzene

[500034-40-2]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

882.0 ± 1.0

54-sch-1


2.4 Alkylbenzenes (CnH2n-6), C14 (1,1-Dimethyl-2-ethylbutyl)benzene

[500017-20-9]

151

C14H22

MW = 190.33

200

C14H22

MW = 190.33

201

C14H22

MW = 190.33

202

C14H22

MW = 190.33

203

C14H22

MW = 190.33

204


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.2 ± 1.0

41-hus/gui

(1,2-Dimethyl-1-ethylbutyl)-benzene

[500017-14-1]

Table 1. Experimental recommended values with uncertainties. T K 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.7 ± 10.0 859.0 ± 2.0 859.0 ± 2.0



(1,3-Dimethyl-1-ethylbutyl)-benzene

[500016-99-9]


293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.0 ± 3.0 872.2 ± 2.0 872.2 ± 2.0



1-(1,1-Dimethylethyl)-2-methyl-5(1-methylethyl)benzene

[29577-13-7]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.2 ± 1.0

56-sch-2

1-(1,1-Dimethylethyl)-3-methyl-4(1-methylethyl)benzene

[500034-39-9]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

873.0 ± 1.0


55-sch-1

152


1-(1,1-Dimethylethyl)-4(1-methylpropyl)benzene

[25027-33-2]

C14H22

MW = 190.33

205

C14H22

MW = 190.33

206

C14H22

MW = 190.33

207

C14H22

MW = 190.33

208

C14H22

MW = 190.33

209


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.7 ± 1.0

43-hen/aus

1-(1,1-Dimethylethyl)-4(2-methylpropyl)benzene

[68018-45-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

854.7 ± 1.0

43-hen/aus

(1,1-Dimethylhexyl)benzene

[16252-11-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.6 ± 1.0

41-hus/gui

(3,3-Dimethylhexyl)benzene

[10509-43-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.3 ± 2.0

66-gra/zak

1,3-Dimethyl-4-hexylbenzene

[500035-23-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.0 ± 2.0

39-fra


2.4 Alkylbenzenes (CnH2n-6), C14 1,4-Dimethyl-2-hexylbenzene

[3042-53-3]

153

C14H22

MW = 190.33

210

C14H22

MW = 190.33

211

C14H22

MW = 190.33

212



303.15 293.15 303.15 313.15


−3

858.4 ± 1.0 865.7 ± 1.0 858.4 ± 1.0 851.1 ± 1.0


-0.01 -0.18 -0.01 0.20



T K 290.00 293.15 298.15 310.00 320.00

kg ⋅ m−3

868.3 ± 0.7 865.9 ± 0.5 862.2 ± 0.3 853.3 ± 0.4 845.8 ± 0.9

[1,2-Dimethyl-1-(1-methylethyl)propyl]benzene

[500019-02-3]


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

880.8 ± 2.0 880.8 ± 1.0

44-hus 48-hus/goe

(2-Ethylhexyl)benzene

[5617-39-0]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m

−3

868.0 ± 2.0


57-jac

154


1-Ethyl-3-methyl-4-(3-methylbutyl)benzene

[500035-24-5]

C14H22

MW = 190.33

213

[500026-40-4]

C14H22

MW = 190.33

214

[500017-93-6]

C14H22

MW = 190.33

215

C14H22

MW = 190.33

216

C14H22

MW = 190.33

217


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.1 ± 2.0

24-mai

(1-Ethyl-1-methylpentyl)benzene


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.8 ± 2.0 872.9 ± 2.0 873.3 ± 2.0

44-hus 48-hus/goe Recommended

(1-Ethyl-1,2,2-trimethylpropyl)benzene


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.1 ± 2.0

53-hus/van

1-Heptyl-2-methylbenzene

[86316-74-7]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.7 ± 2.0

24-eis/sch

1-Heptyl-3-methylbenzene

[500035-22-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

861.5 ± 2.0

24-eis/sch


2.4 Alkylbenzenes (CnH2n-6), C14 1-Heptyl-4-methylbenzene

155

[15181-07-4]

C14H22

MW = 190.33

218

[13867-22-6]

C14H22

MW = 190.33

219

C14H22

MW = 190.33

220

C14H22

MW = 190.33

221


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.0 ± 2.0 858.6 ± 2.0 857.3 ± 2.0 857.3 ± 2.0

24-eis/sch 41-sch/sch-1 60-nik/vor Recommended

1-(1-Methylbutyl)-2,4,6trimethylbenzene


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.6 ± 1.0

66-yan/vdo

1-(2-Methylbutyl)-2,4,6trimethylbenzene

[500035-25-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.1 ± 2.0

04-kla/sta

(1-Methylheptyl)benzene

[777-22-0]


T = 273.15 to 372.05 K ρ = A + BT + CT 2 + DT 3 + … 1.07942 · 103 -7.52665 · 10-1

cont.


156


(1-Methylheptyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

−3

kg ⋅ m

878.20 ± 5.00 859.30 ± 1.50 878.00 ± 5.00 859.00 ± 1.00 860.00 ± 2.00 861.50 ± 1.50 842.40 ± 4.00 854.00 ± 3.00


4.37 0.90 4.17 0.60 1.23 0.47 6.21 -4.77

30-til/kur(✕ ) 30-til/kur(✕ ) 37-til(✕ ) 37-til(✕ ) 38-til(∆) 39-pet/bai(∇) 39-pet/bai(∇) 40-tou/hen(◆)

T K

273.15 293.15 310.95 333.15 372.05 293.15 293.15


kg ⋅ m

871.10 ± 1.00 857.10 ± 1.00 844.00 ± 1.00 827.70 ± 1.00 798.80 ± 1.00 857.70 ± 1.00 854.00 ± 3.00


-2.73 -1.67 -1.38 -0.97 -0.59 -1.07 -4.77

{ { { { {

47-sch( ) 47-sch( ) 47-sch( ) 47-sch( ) 47-sch( ) 60-nik/vor( ) 86-pla/sha(✕ )

ρ

ρ

273.15 293.65 273.15 293.65 293.15 290.15 323.15 293.15

ρexp ± 2σ est


cont.



157



T K

876.20 ± 4.17 868.67 ± 2.72 861.14 ± 1.92 858.77 ± 1.77 855.01 ± 1.63

270.00 280.00 290.00 293.15 298.15


T K

853.62 ± 1.61 846.09 ± 1.65 838.56 ± 1.91 831.04 ± 2.23 823.51 ± 2.48

300.00 310.00 320.00 330.00 340.00

[1-Methyl-1-(1-methylethyl) butyl]benzene

[500016-48-8]

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 815.98 ± 2.50 808.46 ± 2.18 800.93 ± 1.44 793.40 ± 0.93

C14H22

MW = 190.33

222

C14H22

MW = 190.33

223

C14H22

MW = 190.33

224


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

876.3 ± 20.0 854.3 ± 2.0 854.3 ± 2.0



1-Methyl-4-(1-methylethyl)-2(1-methylpropyl)benzene

[500034-38-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

861.4 ± 1.0

53-syk/her

1-Methyl-4-(1-methylethyl)-2(2-methylpropyl)benzene

[500034-37-7]


290.15 288.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

916.0 ± 2.0 920.2 ± 1.0


1892-cla 49-mal/bar

158


1-(1-Methylpropyl)-4(2-methylpropyl)benzene

[62449-90-5]

C14H22

MW = 190.33

225

[700002-24-0]

C14H22

MW = 190.33

226

C14H22

MW = 190.33

227


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

851.1 ± 2.0 853.4 ± 2.0 852.2 ± 2.2

43-hen/aus 43-hen/aus Recommended

1-Methyl-4-(1,1,3-trimethylbutyl) benzene


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.3 ± 1.0

57-pet/zak

Octylbenzene

[2189-60-8]


Coefficient A B C


293.15 293.15 293.15 303.15 293.15 273.15 293.15 1)


kg ⋅ m

858.30 ± 1.50 858.20 ± 1.50 858.20 ± 1.00 851.20 ± 1.00 858.20 ± 1.00 871.20 ± 0.60 856.30 ± 0.60


0.62 0.52 0.52 0.60 0.52 -0.33 -1.38

24-eis/sch(✕ ) 34-bar-2(✕ ) 39-sch/hop(∇) 39-sch/hop(∇) 42-sch(✕ ) 47-sch( ) 47-sch( )

{ {

T K

312.93 333.15 372.04 293.15 293.15 293.15


kg ⋅ m

844.20 ± 0.60 827.50 ± 0.60 798.80 ± 0.60 858.20 ± 1.00 856.70 ± 0.60 857.60 ± 0.60


0.64 -1.17 0.03 0.52 -0.98 -0.08

{ { {

47-sch( ) 47-sch( ) 47-sch( ) 49-lut(◆) 60-nik/vor( ) 64-sha/bek(∆)


cont.



159

ρ

ρ

Further references: [30-til/kur, 39-dya/loz, 39-wat/lee, 44-pet/lap, 46-gar, 48-tsc].



270.00 280.00 290.00 293.15 298.15


ρ ± σ fit kg ⋅ m−3 873.67 ± 1.13 866.84 ± 1.00 859.89 ± 0.92 857.68 ± 0.90 854.15 ± 0.89

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 852.84 ± 0.88 845.68 ± 0.86 838.40 ± 0.84 831.02 ± 0.82 823.52 ± 0.79

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 815.92 ± 0.76 808.21 ± 0.76 800.38 ± 0.80 792.45 ± 0.93

160


(1-Propylpentyl)benzene

[18335-17-6]

C14H22

MW = 190.33

228

C14H22

MW = 190.33

229

C14H22

MW = 190.33

230


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.0 ± 2.0

31-lev/mar-7

(2-Propylpentyl)benzene

[108618-23-1]


287.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

854.0 ± 2.0

12-amo/mur

1,2,3,4-Tetraethylbenzene

[642-32-0]


Coefficient A B


277.15 283.15 288.15 292.75


kg ⋅ m

898.20 ± 1.00 894.03 ± 1.00 890.90 ± 1.00 886.62 ± 1.00


0.30 -0.06 -0.01 -1.37

00-per(∆) 00-per(∆) 00-per(∆) 00-per(∆)

T K

293.15 298.15 293.15 293.15


kg ⋅ m

887.78 ± 1.00 885.54 ± 1.00 888.10 ± 1.00 887.50 ± 0.60


0.04 0.98 0.36 -0.24

00-per(∆) 00-per(∆) 34-bar-2( ) 40-smi/gus-1( )

{


270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 902.45 ± 1.49 896.09 ± 1.13 889.74 ± 0.95

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 887.74 ± 0.95 884.56 ± 1.02 883.38 ± 1.06

T K

310.00

ρ ± σ fit kg ⋅ m−3 877.03 ± 1.40

cont.


161

ρ

ρ




[38842-05-6]

C14H22

MW = 190.33

231

C14H22

MW = 190.33

232


ρexp ± 2σ est

Ref.

kg ⋅ m−3

879.9 ± 0.4

40-smi/gus-1


[635-81-4]



162


1,2,4,5-Tetraethylbenzene (cont.)


289.15 298.15 298.15


kg ⋅ m

884.0 ± 2.0 878.8 ± 1.0 877.3 ± 1.0


-0.47 0.81 -0.69

03-kla/kei 40-smi/gus-1 55-rab/fro



891.1 ± 1.9 883.9 ± 1.0 881.6 ± 0.8 878.0 ± 0.7

(1,1,2,2-tetramethylbutyl)-benzene

[500018-39-3]

C14H22

MW = 190.33

233

C14H22

MW = 190.33

234


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.9 ± 5.0 886.8 ± 2.0 886.8 ± 2.0

41-hus/gui1) 53-hus/van Recommended


(1,1,3,3-Tetramethylbutyl)benzene

[500018-04-2]


293.15 293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.3 ± 2.0 876.7 ± 2.0 876.7 ± 2.0 881.0 ± 2.0 878.7 ± 2.3

41-hus/gui 53-dre/har 53-pin/mye 59-san/kov Recommended


2.4 Alkylbenzenes (CnH2n-6), C14 (1,1,2-Trimethylpentyl)benzene

[500016-22-8]

163

C14H22

MW = 190.33

235

C14H22

MW = 190.33

236

C14H22

MW = 190.33

237

C14H22

MW = 190.33

238


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.1 ± 1.0

41-hus/gui

(1,1,3-Trimethylpentyl)benzene

[700002-26-2]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.9 ± 1.0

41-hus/gui


[22115-03-3]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

884.4 ± 4.0 874.9 ± 2.0 865.1 ± 2.0

14-hal 41-hus/gui 66-nik/vor


[500031-10-7]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.0 ± 1.0


59-pet/zak

Empty page 164


165

2.5 Alkylbenzenes (CnH2n-6), C15 - C16 1,3-bis(1,1-Dimethylethyl)5-methylbenzene

[15181-11-0]

C15H24

MW = 204.36

239

C15H24

MW = 204.36

240

C15H24

MW = 204.36

241


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.0 ± 2.0

54-mcc/lie

1,3-bis(1-Methylpropyl)4-methylbenzene

[500033-97-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

858.6 ± 2.0

59-rom/gri

(1-Butylpentyl)benzene

[20216-88-0]

Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 0.650. Coefficient ρ = A + BT A 1069.62 B -0.800 Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp − ρcalc Ref. ρexp ± 2σ est T kg ⋅ m−3 K kg ⋅ m−3 293.15 323.15

857.9 ± 1.0 837.6 ± 1.0

-0.65 0.65


290.00 293.15 298.15 310.00 320.00 330.00



860.8 ± 1.1 858.5 ± 1.0 854.9 ± 0.8 846.4 ± 0.7 839.2 ± 0.9 832.0 ± 1.3

39-pet/bai 39-pet/bai

166


1-Butyl-2-pentylbenzene

[71521-86-3]

C15H24

MW = 204.36

242

C15H24

MW = 204.36

243

C15H24

MW = 204.36

244

C15H24

MW = 204.36

245

C15H24

MW = 204.36

246

C15H24

MW = 204.36

247


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.4 ± 1.0

57-els/str-1

1,3-Dibutyl-4-methylbenzene

[500033-98-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

852.9 ± 2.0

59-rom/gri

(1,1-Diethyl-3-methylbutyl)benzene

[500035-28-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.5 ± 2.0

14-hal

1-(1,1-Dimethylbutyl)4-(1-methylethyl)benzene

[500036-25-9]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.5 ± 1.0

60-pet/nik

1-(1,1-Dimethylethyl)-3,5-dimethyl4-(1-methylethyl)benzene

[500034-46-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

882.7 ± 1.0

55-sch

1-(1,1-Dimethylethyl)-3-ethyl4-(1-methylethyl)benzene

[500034-45-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

868.9 ± 1.0

55-sch-1


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 1-(1,1-Dimethylethyl)-3-methyl4-(1-methylpropyl)benzene

[500035-11-0]

167

C15H24

MW = 204.36

248

C15H24

MW = 204.36

249

C15H24

MW = 204.36

250

C15H24

MW = 204.36

251

C15H24

MW = 204.36

252

C15H24

MW = 204.36

253


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.1 ± 1.0

55-sch-1

1-(1,1-Dimethylethyl)-3-methyl4-(2-methylpropyl)benzene

[500034-44-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

865.4 ± 1.0

55-sch-1

(1,4-Dimethyl-1-ethylpentyl)benzene

[500035-27-8]


289.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.8 ± 2.0

14-hal

1,2-Dimethyl-4-heptylbenzene

[500024-06-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.1 ± 1.0

59-shi/pok


[500024-07-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

868.9 ± 1.0

59-shi/pok


[87119-27-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

857.1 ± 0.5


49-les/sur

168



[500024-75-9]

C15H24

MW = 204.36

254

C15H24

MW = 204.36

255

C15H24

MW = 204.36

256



303.15 293.15 303.15 313.15 293.15 1)


−3

857.1 ± 2.0 867.6 ± 1.0 860.5 ± 1.0 853.3 ± 1.0 866.8 ± 1.0


-3.10 0.04 0.28 0.47 -0.80

49-les/sur1) 49-qua 49-qua 49-qua 59-shi/pok




869.9 ± 0.7 867.6 ± 0.6 863.9 ± 0.5 855.1 ± 0.7 847.7 ± 1.1

1-Methyl-4-(1,1-dimethylhexyl)benzene

[6683-52-9]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

871.5 ± 1.0

66-nik/vor

1-Methyl-4-(1,5-dimethylhexyl)benzene

[500035-29-0]


288.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

852.4 ± 2.0

29-ruz/van


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 1-(1,1-Dimethylpropyl)-2-methyl5-(1-methylethyl)benzene

[500036-34-0]

169

C14H22

MW = 190.33

257

C15H24

MW = 204.36

258

C15H24

MW = 204.36

259

C15H24

MW = 204.36

260

C15H24

MW = 204.36

261

C15H24

MW = 204.36

262


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.2 ± 1.0

55-web/spo

1-(1,1-Dimethylpropyl)-3-methyl6-(1-methylethyl)benzene

[500034-43-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

899.3 ± 1.0

51-car/eas

1,2-Dimethyl-4-(1,1,3-trimethylbutyl)benzene

[500034-47-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.2 ± 2.0

57-pet/zak

1,3-Dimethyl-4-(1,1,3-trimethylbutyl)benzene

[500034-48-0]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.7 ± 2.0

57-pet/zak

(2-Ethyl-2,4-dimethylpentyl)benzene

[500030-21-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.8 ± 1.0

59-pet/zak

(1-Ethyl-1-propylbutyl)benzene

[500035-26-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.8 ± 2.0


14-hal

170


1-(1-Methylethyl)-4-(3-methylpentyl)benzene

[500035-30-6]

C15H24

MW = 204.36

263

C15H24

MW = 204.36

264

C15H24

MW = 204.36

265

C15H24

MW = 204.36

266


288.65

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.2 ± 2.0

05-kla/sau

1-Methyl-2-(3-methylbutyl)4-(1-methylethyl)benzene

[57079-77-3]


288.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.2 ± 2.0

49-mal/bar

1-Methyl-4-(1-methylheptyl)benzene

[500034-42-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.7 ± 2.0

41-wel/hen

(1-Methyloctyl)benzene

[51770-89-9]


295.15 273.15 295.15 273.15 293.15 293.15 1)


861.6 ± 2.0 877.4 ± 2.0 860.0 ± 1.0 877.4 ± 2.0 862.0 ± 1.0 858.6 ± 3.0


1.25 -0.11 -0.35 -0.11 0.09 -3.31

30-til/kur 30-til/kur 37-til 37-til 38-til 60-nik/vor1)


cont.



171


T K

kg ⋅ m−3

880.0 ± 2.1 872.2 ± 1.1 864.4 ± 0.8 861.9 ± 0.7 858.0 ± 1.7

270.00 280.00 290.00 293.15 298.15

(2-Methyloctyl)benzene

[49826-80-4]

C15H24

MW = 204.36

267


298.15 298.15 298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

855.2 ± 2.0 853.4 ± 2.0 854.3 ± 2.1

48-let 48-let Recommended

1-Methyl-4-octylbenzene

[7686-25-1]

C15H24

MW = 204.36

268

C15H24

MW = 204.36

269

Table 1. Experimental and recommended values with uncertainties. T K 293.15 273.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

895.1 ± 30.0 905.6 ± 30.0 857.4 ± 1.0 857.4 ± 1.0 857.4 ± 1.0

1895-jou1) 1895-jou1) 39-she/woo 41-sch/sch-1 Recommended


1-Methyl-4-(1,1,3,3tetramethylbutyl)benzene

[2055-77-8]

Table 1.. Experimental and recommended values with uncertainties T K 293.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.6 ± 2.0 893.4 ± 15.0 873.6 ± 2.0 873.6 ± 2.0 873.6 ± 2.0

53-san/kov 57-pet/zak1) 59-san/kov 61-sok/she-1 Recommended



172 Nonylbenzene

2.5 Alkylbenzenes (CnH2n-6), C15 - C16 [1081-77-2]

C15H24

MW = 204.36

270


ρ

ρ

Coefficient A B


cont.



173


288.71 282.35 298.15 302.85 322.95 1)

ρexp ± 2σ est


−3

kg ⋅ m

862.60 ± 1.00 865.90 ± 1.00 854.70 ± 1.00 851.30 ± 1.00 837.10 ± 1.00

0.91 -0.35 -0.21 -0.23 -0.00

39-she/woo(∇) 40-ju /she( ) 40-ju /she( ) 40-ju /she( ) 40-ju /she( )


T K

342.85 367.95 288.71 293.55


kg ⋅ m

822.60 ± 1.00 805.00 ± 1.00 861.80 ± 1.00 858.00 ± 1.00


-0.22 0.20 0.11 -0.21

{

40-ju /she( ) 40-ju /she( ) 41-ju /woo( ) 46-gar(∆)



T K

867.94 ± 1.06 860.76 ± 1.03 858.50 ± 1.02 854.91 ± 1.01 853.58 ± 1.01

280.00 290.00 293.15 298.15 300.00


T K

846.40 ± 1.00 839.22 ± 1.01 832.04 ± 1.03 824.86 ± 1.07 817.68 ± 1.11

310.00 320.00 330.00 340.00 350.00

(1,2,2,4-Tetramethylpentyl)benzene

[500034-41-3]

T K

360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 810.51 ± 1.17 803.33 ± 1.24 796.15 ± 1.32

C15H24

MW = 204.36

271

C15H24

MW = 204.36

272


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

897.0 ± 2.0

57-pet/zak

1,2,4-Tris(1-methylethyl)benzene

[948-32-3]


T = 289.15 to 303.15 K ρ = A + BT + CT 2 + DT 3 + … 1.06253 · 103 -6.85739 · 10-1

cont.


174


1,2,4-Tris(1-methylethyl)benzene (cont.)


298.15 289.15 298.15 293.15

−3

kg ⋅ m

856.80 ± 1.00 863.00 ± 2.00 857.00 ± 1.00 862.00 ± 1.00


-1.28 -1.25 -1.08 0.49

27-ber/rei(∇) 34-kir/gra(✕ ) 35-sla/sow( ) 36-ipa/cor(∆)

{

T K

293.15 303.15 293.15


kg ⋅ m

863.40 ± 2.00 855.60 ± 1.00 861.80 ± 1.00


1.89 0.95 0.29

43-new(◆) 43-new(◆) 59-vol/zav( )


ρ

ρ

1)

ρexp ± 2σ est


cont.



175



T K

870.53 ± 4.70 863.67 ± 1.90

280.00 290.00


T K

861.51 ± 1.38 858.08 ± 1.01

293.15 298.15

1,3,5-Tris(1-methylethyl)benzene

[717-74-8]

T K

300.00 310.00

ρ ± σ fit kg ⋅ m−3 856.81 ± 1.05 849.96 ± 2.32

C15H24

MW = 204.36

273

C16H26

MW = 218.38

274



293.15 303.15 293.15 293.15


854.7 ± 1.0 846.6 ± 1.0 854.5 ± 1.0 855.0 ± 1.0


0.00 -0.10 -0.20 0.30

43-new 43-new 54-mcc/lie 59-vol/zav


T K

kg ⋅ m−3

857.2 ± 1.2 854.7 ± 0.8 850.7 ± 0.7 841.2 ± 1.3

290.00 293.15 298.15 310.00

1,3-Bis(1,1-dimethylethyl)5-ethylbenzene

[500034-54-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m

−3

857.5 ± 1.0


53-sch-1

176


1,4-bis(1,1-Dimethylpropyl)benzene

[3373-10-2]

C16H26

MW = 218.38

275

C16H26

MW = 218.38

276


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

846.6 ± 10.0 875.2 ± 0.4 875.2 ± 0.4

38-oco/sow1) 62-ano-3 Recommended


1,4-bis(1-Methylbutyl)benzene

[1020-14-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

849.6 ± 10.0 863.0 ± 1.0 861.9 ± 1.0 862.5 ± 1.1

38-oco/sow1) 40-tou/hen 41-wel/hen Recommended


(1-Butylhexyl)benzene

[4537-11-5]

C16H26

MW = 218.38

277

C16H26

MW = 218.38

278


ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.3 ± 1.0

50-zie/eim

1-Butyl-2-hexylbenzene

[71521-89-6]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

861.8 ± 1.0

57-els/str


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 Decylbenzene

[104-72-3]

177

C16H26

MW = 218.38

279


Coefficient A B


293.15 293.15 293.15 273.15 293.15 310.95 333.15 372.05 1)


−3

856.00 ± 0.50 856.00 ± 0.50 855.40 ± 0.50 869.30 ± 0.50 855.40 ± 0.50 843.00 ± 0.50 827.50 ± 0.50 800.10 ± 0.50


0.54 0.54 -0.06 -0.14 -0.06 -0.02 -0.00 -0.22

48-ano-3(✕ ) 49-boo/gre(∇) 50-boo/gre( ) 52-ano-5(∆) 52-ano-5(∆) 52-ano-5(∆) 52-ano-5(∆) 52-ano-5(∆)

{

T K

293.15 298.15 303.15 273.15 293.15 310.95 333.15 372.05


−3

855.53 ± 0.06 851.89 ± 0.06 848.33 ± 0.06 869.30 ± 0.50 855.40 ± 0.50 843.00 ± 0.50 827.50 ± 0.50 800.10 ± 0.50


0.07 -0.07 -0.14 -0.14 -0.06 -0.02 -0.00 -0.22

54-cam/for( ) 54-cam/for( ) 54-cam/for( ) 68-ano-1(◆) 68-ano-1(◆) 68-ano-1(◆) 68-ano-1(◆) 68-ano-1(◆)



270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 871.64 ± 0.58 864.65 ± 0.44 857.66 ± 0.37 855.46 ± 0.36 851.96 ± 0.35

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 850.67 ± 0.36 843.68 ± 0.38 836.69 ± 0.43 829.71 ± 0.49 822.72 ± 0.54

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 815.73 ± 0.58 808.74 ± 0.58 801.75 ± 0.54 794.76 ± 0.44

cont.


178


ρ

ρ

Decylbenzene (cont.)


[1,3-Dimethyl-1-(2-methylpropyl)-butyl]- [500035-32-8] benzene

C16H26

MW = 218.38

C16H26

MW = 218.38

280


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

875.3 ± 2.0

14-hal

(3,7-Dimethyloctyl)benzene

[21425-82-1]

281


ρexp ± 2σ est

Ref.

kg ⋅ m−3

878.9 ± 2.0

06-kla/sau


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 1,2-Dimethyl-4-octylbenzene

[15880-22-5]

179

C16H26

MW = 218.38

282

C16H26

MW = 218.38

283

C16H26

MW = 218.38

284


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.2 ± 1.0

66-mek/lyu

1,4-Dimethyl-2-octylbenzene

[500005-14-1]



303.15 293.15 303.15 313.15


kg ⋅ m

857.9 ± 0.5 865.0 ± 0.6 857.9 ± 0.6 850.9 ± 0.6


-0.03 -0.12 -0.01 0.19



T K

kg ⋅ m−3

867.4 ± 0.7 865.1 ± 0.5 861.5 ± 0.3 853.0 ± 0.4 845.8 ± 0.8

290.00 293.15 298.15 310.00 320.00

(2,4-Dimethyl-2-propylpentyl)benzene

[500030-47-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.1 ± 1.0


59-pet/zak

180


1,2-Dimethyl-4(1,1,3,3-tetramethylbutyl)benzene

[13384-13-9]

C16H26

MW = 218.38

285

C16H26

MW = 218.38

286

C16H26

MW = 218.38

287

C16H26

MW = 218.38

288


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

879.8 ± 1.0

59-san/kov

1,3-Dipentylbenzene

[1752-08-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.8 ± 2.0

1879-aus

1,4-Dipentylbenzene

[6796-33-4]


298.15 293.15


850.0 ± 2.0 857.3 ± 1.0


-2.24 0.56

54-cra/dae 60-pet/nik


290.00 293.15 298.15


859.6 ± 1.2 856.7 ± 1.1 852.2 ± 1.2

1-Ethyl-4-(1-methylheptyl)benzene

[500034-53-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

860.9 ± 2.0

41-wel/hen


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 (1-Ethyl-1-propylpentyl)benzene

[500035-31-7]

181

C16H26

MW = 218.38

289

C16H26

MW = 218.38

290


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.4 ± 2.0

14-hal

(1-Methylnonyl)benzene

[4537-13-7]


Coefficient A B


273.15 295.15 273.15 292.15 1)


kg ⋅ m

877.60 ± 2.00 862.30 ± 3.00 877.00 ± 2.00 862.00 ± 1.00


-0.89 3.22 -1.49 0.28

30-til/kur(◆) 30-til/kur(◆) 37-til(∇) 37-til(∇)

T K

293.15 298.15 293.15


kg ⋅ m

861.00 ± 1.00 855.00 ± 1.00 861.00 ± 1.00


0.16 -1.43 0.16

{

38-til( ) 49-eme/luc(∆) 86-pla/sha( )



270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 881.27 ± 2.00 872.45 ± 1.50 863.62 ± 1.00

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 860.84 ± 1.49 856.43 ± 1.23 854.80 ± 0.70

T K

310.00

ρ ± σ fit kg ⋅ m−3 845.97 ± 1.30

cont.


182


ρ

ρ

(1-Methylnonyl)benzene (cont.)


1-Methyl-2,4,6-tris(1-methylethyl)benzene

[500035-33-9]

C16H26

MW = 218.38

291

C16H26

MW = 218.38

292


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

869.5 ± 2.0

35-des-2

Pentaethylbenzene

[605-01-6]


381.05 293.45 292.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

833.6 ± 3.0 896.3 ± 1.0 897.1 ± 1.0

1893-eyk 1893-eyk 14-hal


2.5 Alkylbenzenes (CnH2n-6), C15 - C16 (1,3,5,5-Tetramethylhexyl)benzene

183

[500006-27-9]

C16H26

MW = 218.38

293

[500034-52-6]

C16H26

MW = 218.38

294


293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.9 ± 0.5 855.9 ± 0.5 855.9 ± 0.5

50-bry/tur 53-tre Recommended

(4,6,6-Trimethylheptyl)benzene


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.9 ± 1.0


50-bry/tur

Empty page 184


185

2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1,3-bis(1-Methylbutyl)-4-methylbenzene [30675-96-8]

C17H28

MW = 232.41

295

C17H28

MW = 232.41

296

C17H28

MW = 232.41

297

C17H28

MW = 232.41

298

C17H28

MW = 232.41

299


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

865.1 ± 1.0

65-zav/kog

1,3-bis(3-Methylbutyl)-4-methylbenzene [500033-99-8] Table 1. Experimental value with uncertainty. T K 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

862.0 ± 2.0

59-rom/gri

1,3-bis(1-Methylpropyl)-2,4,6trimethylbenzene

[92102-13-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.8 ± 1.0

63-iof/yan

(3-Butylheptyl)benzene

[101746-51-4]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.9 ± 1.0

58-pet/nik

1-Decyl-4-methylbenzene Table 1. Experimental and recommended values with uncertainties. ρexp ± 2σ est T Ref. −3 K kg ⋅ m 293.15 854.9 ± 2.0 41-sch/sch-1 293.15 858.3 ± 2.0 60-nik/vor 293.15 856.6 ± 2.3 Recommended


[500025-28-5]

186


1-(1,1-Dimethylhexyl)4-(1-methylethyl)benzene

[500036-26-0]

C17H28

MW = 232.41

300

C17H28

MW = 232.41

301

C17H28

MW = 232.41

302

C17H28

MW = 232.41

303

C17H28

MW = 232.41

304


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

862.6 ± 1.0

60-pet/nik

(1,1-Dimethylnonyl)benzene

[55191-25-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.6 ± 2.0 867.6 ± 2.0 862.8 ± 2.0

40-zie/gri 58-pet/nik 60-nik/vor

(1,1-Dipropyl-3-methylbutyl)benzene

[500035-35-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.0 ± 2.0

14-hal

(3-Ethyl-1,1-dimethylheptyl)benzene

[500035-34-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

862.0 ± 2.0

(1-Methyldecyl)benzene

40-zie/gri

[4536-88-3]


cont.



187


296.65 273.15 296.65 273.15 293.15


kg ⋅ m

857.2 ± 1.0 875.5 ± 1.0 857.0 ± 1.0 875.0 ± 1.0 860.0 ± 1.0


0.34 -0.16 0.14 -0.66 0.34

30-til/kur 30-til/kur 37-til 37-til 38-til


T K

kg ⋅ m−3

878.2 ± 1.7 870.2 ± 0.8 862.2 ± 0.5 859.7 ± 0.8 855.7 ± 1.2

270.00 280.00 290.00 293.15 298.15

[2-Methyl-2-(2-methylpropyl)hexyl]benzene

[500028-41-1]

C17H28

MW = 232.41

305

C18H30

MW = 246.44

306

C18H30

MW = 246.44

307


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.3 ± 1.0

59-pet/zak

1,4-bis(1-Ethylbutyl)benzene

[500036-28-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

912.5 ± 2.0

39-spi/tin

1,3-bis(1-Methylbutyl)-4-ethylbenzene

[25168-28-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

866.8 ± 1.0


69-ovc/zav

188


(1-Butyloctyl)benzene

[2719-63-3]

C18H30

MW = 246.44

308

C18H30

MW = 246.44

309

C18H30

MW = 246.44

310

C18H30

MW = 246.44

311

Table 1. Experimental values with uncertainties. T K 313.15 303.15 293.15 298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

840.6 ± 2.0 848.5 ± 2.0 861.0 ± 2.0 846.7 ± 2.0

42-sch/gro 42-sch/gro 43-gil/mea 55-gra/ger

1-Decyl-2,6-dimethylbenzene

[500034-59-3]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

867.9 ± 1.0

54-sch-1

1,4-Dihexylbenzene

[22588-73-4]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.7 ± 1.0

60-pet/nik

1,4-Dimethyl-2-(3,7-dimethyloctyl)benzene

[500034-55-9]


Coefficient A B


273.15 293.15 310.95


kg ⋅ m

873.10 ± 1.00 859.40 ± 1.00 847.30 ± 1.00


0.01 -0.02 0.05

68-ano-1( ) 68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


kg ⋅ m

832.00 ± 1.00 805.50 ± 1.00


-0.07 0.02

68-ano-1( ) 68-ano-1( )

Further references: [67-ano-1]. cont.


189

ρ

ρ




270.00 280.00 290.00 293.15 298.15


ρ ± σ fit kg ⋅ m−3 875.24 ± 1.03 868.41 ± 1.02 861.57 ± 1.01 859.42 ± 1.01 856.00 ± 1.00

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 854.73 ± 1.00 847.90 ± 1.00 841.06 ± 1.00 834.22 ± 1.00 827.39 ± 1.01

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 820.55 ± 1.01 813.71 ± 1.02 806.88 ± 1.03 800.04 ± 1.05

190


1-(1,1-Dimethylethyl)-4 -(1,1,3,3-tetramethylbutyl)benzene

[500034-60-6]

C18H30

MW = 246.44

312

C18H30

MW = 246.44

313

C18H30

MW = 246.44

314

MW = 246.44

315

MW = 246.44

316


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

865.3 ± 1.0

59-san/kov

[1,4-Dimethyl-1-(3-methylbutyl)pentyl]benzene

[500035-37-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

872.8 ± 2.0

14-hal

1-(1,1-Dimethylnonyl)-4-methylbenzene

[500036-27-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

865.6 ± 1.0

60-pet/nik

1-(2,2-Dimethylpropyl)-4(1,3,3-trimethylbutyl)benzene

[500035-10-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

847.0 ± 2.0

Dodecylbenzene

53-blo/wes

[123-01-3]

C18H30


T = 283.65 to 373.15 K ρ = A + BT + CT 2 + DT 3 + … 1.05996 · 103 -6.93643 · 10-1 cont.



191


293.15 303.15 283.65 294.25 303.05 313.75 322.95 332.15 342.15 362.95 373.15 1)


kg ⋅ m

856.40 ± 1.00 850.20 ± 1.00 863.60 ± 1.00 856.20 ± 1.00 849.60 ± 1.00 841.90 ± 1.00 835.60 ± 1.00 829.50 ± 1.00 822.50 ± 1.00 808.40 ± 1.00 801.30 ± 1.00


-0.22 0.52 0.39 0.34 -0.15 -0.43 -0.35 -0.07 -0.13 0.20 0.17

) ) {) {) {) {) {) {) {) {) {)

39-sch/hop( 39-sch/hop( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she( 40-ju /she(

T K

288.71 293.15 293.15 303.15 297.15 297.15 293.15 293.15 293.15 293.15


kg ⋅ m

859.90 ± 1.00 856.40 ± 1.00 856.40 ± 1.00 850.20 ± 1.00 852.00 ± 2.00 853.00 ± 1.00 856.40 ± 1.00 857.00 ± 1.00 856.70 ± 1.00 856.70 ± 1.00


0.20 -0.22 -0.22 0.52 -1.85 -0.85 -0.22 0.38 0.08 0.08

41-ju /woo(∆) 42-sch(∇) 42-sch(∇) 42-sch(∇) 43-gil/mea1) 43-gil/mea(◆) 49-lut(✕ ) 60-nik/vor(✕ ) 64-sha/bek(✕ ) 66-sha/bek(✕ )


ρ

ρ

Further references: [38-pet/lap].


cont.


192


Dodecylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

280.00 290.00 293.15 298.15 300.00



T K

865.74 ± 1.03 858.81 ± 1.01 856.62 ± 1.01 853.15 ± 1.00 851.87 ± 1.00

844.93 ± 1.00 838.00 ± 1.01 831.06 ± 1.02 824.12 ± 1.04 817.19 ± 1.07

310.00 320.00 330.00 340.00 350.00

(1-Ethyldecyl)benzene

[2400-00-2]

T K

360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 810.25 ± 1.10 803.31 ± 1.14 796.38 ± 1.19

C18H30

MW = 246.44

317

C18H30

MW = 246.44

318


313.15 303.15 293.15 1)


−3

837.60 ± 1.0 846.60 ± 1.0 859.00 ± 3.0


-0.20 0.20 4.00

42-sch/gro 42-sch/gro 43-gil/mea1)




855.0 ± 2.0 850.7 ± 2.0 840.5 ± 1.9 831.9 ± 2.0

Hexaethylbenzene

[604-88-6]

Table 1. Fit with estimated B coefficient for 4 accepted points. Deviation σw =1.152. Coefficient ρ = A + BT A 1152.43 B -0.800 cont.



193


403.55 403.55 423.15 408.15


kg ⋅ m

830.5 ± 2.0 830.5 ± 2.0 814.0 ± 2.0 824.0 ± 2.0


0.91 0.91 0.09 -1.91

1893-eyk 33-hen/jef 38-koc/ste 38-koc/ste


T K 400.00 410.00 420.00 430.00

kg ⋅ m−3

832.4 ± 1.5 824.4 ± 1.2 816.4 ± 1.6 808.4 ± 2.3

(2-Hexyl-4-methylpentyl)benzene

[500023-79-0]

C18H30

MW = 246.44

319

C18H30

MW = 246.44

320

C18H30

MW = 246.44

321


ρexp ± 2σ est

Ref.

kg ⋅ m−3

865.7 ± 1.0

58-pet/nik

[2-Methyl-2-(2-methylpropyl)-heptyl]benzene

[500028-11-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

872.7 ± 1.0

59-pet/zak

(1-Methylundecyl)benzene

[2719-61-1]


cont.


194


(1-Methylundecyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

313.15 303.15 293.15 293.15 1)

ρexp ± 2σ est


−3

kg ⋅ m

840.2 ± 1.0 848.8 ± 1.0 852.0 ± 3.0 856.0 ± 1.0

-0.13 0.47 -4.33 -0.33

42-sch/gro 42-sch/gro 43-gil/mea1) 86-pla/sha




858.9 ± 1.4 856.3 ± 1.1 852.3 ± 0.6 842.9 ± 0.8 834.9 ± 1.7

(3-Methylundecyl)benzene

[500035-36-2]

C18H30

MW = 246.44

322

C18H30

MW = 246.44

323

C18H30

MW = 246.44

324


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

859.0 ± 2.0

35-lev/har-1

(1-Pentylheptyl)benzene

[2719-62-2]


313.15 303.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

839.2 ± 1.0 847.7 ± 1.0 858.0 ± 2.0

(1-Propylnonyl)benzene

42-sch/gro 42-sch/gro 43-gil/mea

[2719-64-4]




195


313.15 303.15 293.15 293.15 1)


kg ⋅ m

840.7 ± 1.0 848.9 ± 1.0 859.0 ± 2.0 842.0 ± 10.0


0.32 -0.48 0.62 -16.38

42-sch/gro 42-sch/gro 43-gil/mea 44-pet/lap1)



T K 290.00 293.15 298.15 310.00 320.00

kg ⋅ m−3

861.2 ± 1.7 858.4 ± 1.4 853.9 ± 0.9 843.2 ± 0.6 834.2 ± 1.4

1,2,4,5-Tetrakis(1-methylethyl)benzene

[635-11-0]



423.15 408.15


758.0 ± 2.0 770.0 ± 2.0


0.15 -0.15




776.8 ± 2.3 768.6 ± 1.8 760.4 ± 1.8 752.2 ± 2.3

38-koc/ste 38-koc/ste

C18H30

MW = 246.44

325

196


1,3,5-Tributylbenzene

[841-07-6]

C18H30

MW = 246.44

326

C18H30

MW = 246.44

327

C18H30

MW = 246.44

328

C18H30

MW = 246.44

329


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

853.9 ± 2.0 860.9 ± 3.0

54-mcc/lie 64-mak/rei

(1,1,3-Trimethylnonyl)benzene

[500021-55-6]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.7 ± 1.0

58-pet/nik

(1,4,8-Trimethylnonyl)benzene

[500022-78-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.3 ± 1.0

58-pet/nik

1,3,5-Tris(1-methylpropyl)benzene

[6565-55-5]


293.15 298.15


kg ⋅ m

847.9 ± 2.0 843.0 ± 1.0


0.32 -0.08

54-mcc/lie 67-she-2



850.4 ± 1.5 847.6 ± 1.5 843.1 ± 1.5


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1,3-bis(1-Methylbutyl)-4-propylbenzene

[25168-29-0]

197

C19H32

MW = 260.46

330

C19H32

MW = 260.46

331

C19H32

MW = 260.46

332

C19H32

MW = 260.46

333


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

870.8 ± 1.0

69-ovc/zav

1-Dodecyl-4-methylbenzene

[104-41-6]


293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.0 ± 1.0 856.0 ± 1.0

41-sch/sch 41-sch/sch-1

[1-Ethyl-4-methyl-1-(3-methylbutyl) pentyl]benzene

[500035-39-5]


291.65

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.5 ± 2.0

14-hal

(1-Hexylheptyl)benzene

[2400-01-3]


Coefficient A B


293.15 273.15 293.15


kg ⋅ m

854.10 ± 0.40 867.70 ± 0.50 853.90 ± 0.50


0.19 -0.09 -0.01

{ {

49-foe/fen( ) 68-ano-1( ) 68-ano-1( )

T K

310.95 333.15 372.05


kg ⋅ m

841.50 ± 0.50 826.00 ± 0.50 799.20 ± 0.50


-0.05 -0.13 0.08

{ { {

68-ano-1( ) 68-ano-1( ) 68-ano-1( ) cont.


198


(1-Hexylheptyl)benzene (cont.)

ρ

ρ

Further references: [39-pet/bai].



270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 869.98 ± 0.54 863.04 ± 0.51 856.09 ± 0.50 853.91 ± 0.49 850.43 ± 0.49

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 849.15 ± 0.49 842.21 ± 0.48 835.26 ± 0.49 828.32 ± 0.50 821.37 ± 0.52

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 814.43 ± 0.55 807.49 ± 0.58 800.54 ± 0.61 793.60 ± 0.66


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 [2-Methyl-2-(2-methylpropyl)-octyl]benzene

[500029-99-2]

199

C19H32

MW = 260.46

334

C19H32

MW = 260.46

335

C20H34

MW = 274.49

336

C20H34

MW = 274.49

337

C20H34

MW = 274.49

338

C20H34

MW = 274.49

339


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

875.6 ± 1.0

59-pet/zak

1-Methyl-4-(1-methylundecyl)benzene

[90734-24-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

859.4 ± 1.0

41-wel/hen

1-Butyl-2,4-bis(1-methylbutyl)benzene

[25168-30-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.2 ± 1.0

69-ovc/zav

1,4-Diheptylbenzene

[40775-32-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.3 ± 1.0

60-pet/nik

1,2-Dimethyl-4-dodecylbenzene

[15880-23-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.2 ± 1.0

66-mek/lyu

1-Ethyl-4-(1-methylundecyl)benzene

[115416-73-4]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

858.6 ± 1.0


41-wel/hen

200


[5-Methyl-1-(1-methylethyl)1-propylheptyl]benzene

[500035-40-5]

C20H34

MW = 274.49

340

C20H34

MW = 274.49

341

C20H34

MW = 274.49

342

C20H34

MW = 274.49

343


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.7 ± 2.0

14-hal

[2-Methyl-2-(2-methylpropyl)-nonyl]benzene

[500030-10-2]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.7 ± 1.0

59-pet/zak

(1-Methyltridecyl)benzene

[4534-59-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.5 ± 1.0

42-pet/che

Tetradecylbenzene

[1459-10-5]


Coefficient A B


293.15 303.15 283.85


kg ⋅ m

855.90 ± 0.60 849.60 ± 0.60 862.90 ± 0.60


-0.77 -0.29 -0.08

{ {

39-sch/hop( ) 39-sch/hop( ) 40-ju /she( )

T K

293.15 302.65 312.65


kg ⋅ m

856.70 ± 0.60 850.00 ± 0.60 842.70 ± 0.60


0.03 -0.23 -0.74

40-ju /she( ) 40-ju /she( ) 40-ju /she( ) cont.



201


−3

kg ⋅ m

835.90 ± 0.60 830.00 ± 0.60 822.30 ± 0.60 814.20 ± 0.60 807.80 ± 0.60 801.20 ± 0.60 859.70 ± 0.60


-0.49 0.26 -0.46 -0.14 -0.10 0.08 0.02

40-ju /she( ) 40-ju /she( ) 40-ju /she( ) 40-ju /she( ) 40-ju /she( ) 40-ju /she( ) 41-ju /woo(∆)

T K

288.65 293.15 293.15 296.75 297.05 293.15


kg ⋅ m

860.50 ± 1.00 857.30 ± 1.00 855.90 ± 1.00 855.00 ± 2.00 856.00 ± 2.00 856.20 ± 0.60


0.78 0.63 -0.77 0.77 1.97 -0.47

42-ju /woo(✕ ) 42-ju /woo(✕ ) 42-sch(◆) 43-gil/mea(✕ ) 43-gil/mea(✕ ) 49-lut(∇)

ρ

ρ

323.05 332.85 343.15 355.55 365.05 375.05 288.71

ρexp ± 2σ est


cont.


202


Tetradecylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

280.00 290.00 293.15 298.15 300.00



T K

865.59 ± 0.98 858.81 ± 0.92 856.67 ± 0.91 853.28 ± 0.88 852.02 ± 0.87

845.24 ± 0.82 838.46 ± 0.78 831.67 ± 0.73 824.89 ± 0.70 818.11 ± 0.66

310.00 320.00 330.00 340.00 350.00

[4-Methyl-1-(3-methylbutyl)-1(2-methylpropyl)pentyl]benzene

[500035-41-6]


T K

360.00 370.00 380.00 390.00

C21H36

811.33 ± 0.64 804.54 ± 0.62 797.76 ± 0.61 790.98 ± 0.60

MW = 288.52

344

C21H36

MW = 288.52

345

C22H38

MW = 302.54

346

C22H38

MW = 302.54

347


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

898.2 ± 2.0

14-hal

1-Methyl-4-tetradecylbenzene

[148278-31-3]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

856.0 ± 1.0

41-sch/sch-1

[1,1-bis(2-Methylpropyl)octyl]benzene

[500036-22-6]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

870.8 ± 2.0

41-pet/lap

1,4-bis(1,1,3,3-Tetramethylbutyl)benzene

[102943-96-4]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

883.1 ± 1.0

59-san/kov


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1-Decyl-2,6-dimethyl-4(1,1-dimethylethyl)benzene

[500035-62-1]

203

C22H38

MW = 302.54

348

C22H38

MW = 302.54

349

C22H38

MW = 302.54

350

C22H38

MW = 302.54

351

C22H38

MW = 302.54

352


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.5 ± 1.0

54-sch-1

(1,1-Dimethyltetradecyl)benzene

[29138-94-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

861.1 ± 2.0

42-pet/che

1,4-Dioctylbenzene

[10541-38-5]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.6 ± 1.0

60-pet/nik

1-Dodecyl-2-methyl-5-(1-methylethyl)benzene

[500035-61-0]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

859.5 ± 1.0

Hexadecylbenzene

40-tur

[1459-09-2]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 1.2555 (combined temperature ranges, weighted), σc,uw = 6.4385 · 10-1 (combined temperature ranges, unweighted). Coefficient A B C

T = 293.15 to 323.15 K ρ = A + BT + CT 2 + DT 3 + … 2.12493 · 102 4.81279 -8.92214 · 10-3 cont.


204


Hexadecylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

300.15 293.15 303.15 293.15 318.15 323.15 293.15 1)

856.70 ± 5.00 855.80 ± 0.40 849.30 ± 0.40 855.00 ± 0.60 838.80 ± 0.60 835.30 ± 0.60 861.50 ± 5.00


3.44 -0.82 -2.25 -1.62 -1.79 -0.74 4.88

1888-kra/got(✕ ) 39-sch/hop(∆) 39-sch/hop(∆) 42-lar/tho(∇) 42-lar/tho(∇) 42-lar/tho(∇) 42-pet/che1)

T K

300.15 293.15 298.55 300.45 293.15 293.15


kg ⋅ m

856.70 ± 5.00 855.80 ± 0.40 855.00 ± 3.00 856.00 ± 3.00 854.80 ± 1.00 855.80 ± 0.40


3.44 -0.82 0.90 2.91 -1.82 -0.82

42-pet/che(✕ ) 42-sch( ) 43-gil/mea(✕ ) 43-gil/mea(✕ ) 43-wib/ove(◆) 49-lut( )

{


ρ

ρ

Further references: [38-til, 41-ney/pil].


cont.



205



T K

857.85 ± 2.0 856.62 ± 1.5 854.31 ± 3.0

290.00 293.15 298.15


T K

853.34 ± 3.3 847.04 ± 2.0 838.96 ± 2.0

300.00 310.00 320.00

(4-Hexyldecyl)benzene

[500036-21-5]

T K

330.00

ρ ± σ fit kg ⋅ m−3 829.09 ± 5.0

C22H38

MW = 302.54

353

C22H38

MW = 302.54

354


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

874.5 ± 2.0

49-pet/kap

(1-Methylpentadecyl)benzene

[13419-16-4]



293.65 273.15 293.15


864.0 ± 1.0 880.5 ± 1.0 864.0 ± 1.0


0.10 0.20 -0.30


270.00 280.00 290.00 293.15 298.15



882.8 ± 1.7 874.8 ± 0.7 866.8 ± 0.7 864.3 ± 0.7 860.3 ± 1.2

30-til/kur 30-til/kur 37-til

206


(1-Octylnonyl)benzene

[20216-92-6]

C23H40

MW = 316.57

355

C23H40

MW = 316.57

356


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

849.1 ± 1.0

49-foe/fen

1-Hexadecyl-2-methylbenzene

[112098-25-6]


282.35 372.15


867.6 ± 2.0 807.2 ± 2.0


-0.33 0.33

1888-kra/got 1888-kra/got


280.00 290.00 293.15 298.15

ρexp ± 2σ est

ρexp ± 2σ est

T K

kg ⋅ m−3

869.5 ± 4.7 862.7 ± 3.7 860.6 ± 3.4 857.2 ± 2.9

849.1 ± 1.8 842.3 ± 1.5 835.5 ± 1.4 828.7 ± 1.3

310.00 320.00 330.00 340.00


T K

kg ⋅ m−3

[5775-29-1]

350.00 360.00 370.00 380.00 C23H40


821.9 ± 2.3 815.1 ± 3.3 808.3 ± 4.3 801.5 ± 5.3 MW = 316.57

357


284.15 372.45


861.7 ± 2.0 802.9 ± 2.0


-0.62 0.62

1888-kra/got 1888-kra/got cont.



207


T K

kg ⋅ m

865.1 ± 4.9 858.3 ± 3.9 856.2 ± 3.6 852.8 ± 3.1

280.00 290.00 293.15 298.15

ρexp ± 2σ est

T K

−3

kg ⋅ m

844.7 ± 1.9 837.9 ± 1.5 831.1 ± 1.3 824.3 ± 1.3

310.00 320.00 330.00 340.00


T K

−3

[154177-08-9]

350.00 360.00 370.00 380.00

C23H40


817.5 ± 2.3 810.7 ± 3.2 803.9 ± 4.2 797.1 ± 5.2

MW = 316.57

358


300.65 372.15


kg ⋅ m

849.9 ± 2.0 802.7 ± 2.0


-0.71 0.71



T K

kg ⋅ m

855.7 ± 4.4 852.3 ± 3.9 844.3 ± 2.7 837.5 ± 1.8

293.15 298.15 310.00 320.00

ρexp ± 2σ est

T K

−3

kg ⋅ m

830.7 ± 1.5 823.9 ± 0.5 817.1 ± 1.5

330.00 340.00 350.00

(1-Butyltetradecyl)benzene

T K

−3

[500015-05-4]

360.00 370.00 380.00


810.3 ± 2.5 803.5 ± 3.4 796.7 ± 4.4

C24H42

MW = 330.60

359

C24H42

MW = 330.60

360


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

855.9 ± 1.5

44-pet/lap

(1,1-Dimethylhexadecyl)benzene

[500035-63-2]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

887.8 ± 2.0


41-pet/lap

208


1,2-Dimethyl-4-hexadecyl-benzene

[15880-24-7]

C24H42

MW = 330.60

361

C24H42

MW = 330.60

362

C24H42

MW = 330.60

363


ρexp ± 2σ est

Ref.

kg ⋅ m−3

888.0 ± 1.0

66-mek/lyu

1,4-Dinonylbenzene

[40775-34-6]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

855.7 ± 1.0

60-pet/nik

2,4-Dimethyl-1-hexadecylbenzene

[500035-42-7]



306.65 372.55


kg ⋅ m

849.5 ± 2.0 806.2 ± 2.0


-0.76 0.76




kg ⋅ m

859.4 ± 4.7 856.0 ± 4.2 848.0 ± 3.1 841.2 ± 2.1

T K 330.00 340.00 350.00


kg ⋅ m

834.4 ± 1.5 827.6 ± 1.3 820.8 ± 1.5

T K 360.00 370.00 380.00


814.0 ± 2.2 807.2 ± 3.1 800.4 ± 4.1


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 Hexapropylbenzene

[2456-68-0]

209

C24H42

MW = 330.60

364


Coefficient A B


376.15 383.15 423.15 1)


−3

816.30 ± 1.00 811.20 ± 1.00 782.10 ± 1.00


0.00 -0.00 -0.00

37-gro/ipa( ) 37-gro/ipa( ) 37-gro/ipa( )


T K

473.15 493.15


−3

745.70 ± 1.00 731.20 ± 1.00


-0.02 0.03

37-gro/ipa( ) 37-gro/ipa( )


370.00 380.00 390.00 400.00 410.00

ρ ± σ fit kg ⋅ m−3 820.77 ± 1.31 813.50 ± 1.23 806.22 ± 1.15 798.94 ± 1.09 791.67 ± 1.04

T K

420.00 430.00 440.00 450.00 460.00

ρ ± σ fit kg ⋅ m−3 784.39 ± 1.01 777.12 ± 1.00 769.84 ± 1.01 762.57 ± 1.04 755.29 ± 1.09

T K

470.00 480.00 490.00 500.00

ρ ± σ fit kg ⋅ m−3 748.02 ± 1.15 740.74 ± 1.23 733.47 ± 1.32 726.19 ± 1.42

cont.


210


ρ

ρ

Hexapropylbenzene (cont.)


Octadecylbenzene

[4445-07-2]

C24H42

MW = 330.60

365


T = 293.15 to 344.65 K ρ = A + BT + CT 2 + DT 3 + … 8.59778 · 102 5.19608 · 10-1 -1.81975 · 10-3 cont.



211


293.15 314.15 344.65 313.15


kg ⋅ m

856.30 ± 1.00 843.70 ± 2.00 822.40 ± 2.00 843.90 ± 1.00


0.58 0.28 -0.30 -0.14

39-sui/gem(∆) 39-wat/lee(◆) 39-wat/lee(◆) 42-lar/tho( )

{

T K

323.15 314.15 333.15 293.15


kg ⋅ m

837.70 ± 1.00 843.40 ± 0.70 831.00 ± 0.70 855.20 ± 1.00


0.04 -0.02 0.09 -0.52

{

42-lar/tho( ) 43-wib/ove( ) 43-wib/ove( ) 49-foe/fen(∇)

ρ

ρ

Further references: [43-het/shc, 47-sch/sti].


cont.


212


Octadecylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

290.00 293.15 298.15



T K

857.42 ± 0.95 855.72 ± 1.15 852.94 ± 1.45

851.88 ± 1.51 845.98 ± 1.46 839.71 ± 1.05

300.00 310.00 320.00

1-Hexadecyl-2,4,5-trimethylbenzene

[500035-65-4]

T K

330.00 340.00 350.00

ρ ± σ fit kg ⋅ m−3 833.08 ± 0.82 826.08 ± 1.51 818.72 ± 3.58

C25H44

MW = 344.62

366

C25H44

MW = 344.62

367


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

878.2 ± 2.0

42-pet/che

1-Hexadecyl-2,4,6-trimethylbenzene

[500035-43-8]



372.35 313.15


806.5 ± 2.0 845.2 ± 2.0


0.78 -0.78




848.1 ± 3.4 841.3 ± 2.4 834.5 ± 1.5

T K 340.00 350.00 360.00


827.7 ± 1.4 820.9 ± 1.5 814.1 ± 1.9

T K 370.00 380.00


807.3 ± 2.8 800.5 ± 3.8


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1-Methyl-4-(1-methylheptadecyl)benzene

[500035-64-3]

213

C25H44

MW = 344.62

368

C25H44

MW = 344.62

369


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

856.3 ± 1.0

41-wel/hen

1-Methyl-4-octadecylbenzene

[94135-41-8]


Coefficient A B C


273.15 293.15 310.93


kg ⋅ m

868.30 ± 1.00 855.10 ± 1.00 843.50 ± 1.00


-0.02 -0.04 0.13

47-sch( ) 47-sch( ) 47-sch( )

T K

333.15 372.04


kg ⋅ m

828.50 ± 1.00 802.60 ± 1.00


-0.10 0.02

47-sch( ) 47-sch( )


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 870.39 ± 1.19 863.81 ± 1.07 857.22 ± 1.02 855.14 ± 1.02 851.83 ± 1.01

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 850.61 ± 1.02 843.98 ± 1.03 837.35 ± 1.05 830.70 ± 1.06 824.03 ± 1.06

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 817.35 ± 1.05 810.66 ± 1.06 803.95 ± 1.08 797.22 ± 1.16

cont.


214


ρ

ρ

1-Methyl-4-octadecylbenzene (cont.)


Nonadecylbenzene

[29136-19-4]

C25H44

MW = 344.62

370


T = 308.15 to 343.15 K ρ = A + BT + CT 2 + DT 3 + … 1.04815 · 103 -6.52690 · 10-1

cont.



215


−3

kg ⋅ m

847.00 ± 1.00 843.90 ± 1.00 840.40 ± 1.00 837.20 ± 1.00


-0.02 0.14 -0.10 -0.03

) ) ) )

86-chu/sin( 86-chu/sin( 86-chu/sin( 86-chu/sin(

T K

328.15 333.15 338.15 343.15


kg ⋅ m

833.90 ± 1.00 830.70 ± 1.00 827.50 ± 1.00 824.20 ± 1.00


-0.07 -0.00 0.06 0.02

) ) ) )

86-chu/sin( 86-chu/sin( 86-chu/sin( 86-chu/sin(

ρ

ρ

308.15 313.15 318.15 323.15

ρexp ± 2σ est


cont.


216


Nonadecylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

T K

852.34 ± 1.06 845.81 ± 1.02

300.00 310.00

320.00 330.00

1-Methyl-4-(1-octyldecyl)benzene


T K

839.29 ± 1.00 832.76 ± 1.00

[4445-08-3]

340.00 350.00

C25H44

ρ ± σ fit kg ⋅ m−3 826.23 ± 1.02 819.71 ± 1.06

MW = 344.62

371


Coefficient A B


273.15 293.15 310.95


−3

868.10 ± 1.00 854.90 ± 1.00 843.30 ± 1.00


-0.15 -0.04 0.21

68-ano-1( ) 68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


−3

828.30 ± 1.00 802.40 ± 1.00


-0.01 -0.02

68-ano-1( ) 68-ano-1( )


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 870.34 ± 1.06 863.69 ± 1.04 857.03 ± 1.02 854.94 ± 1.02 851.61 ± 1.01

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 850.38 ± 1.01 843.72 ± 1.00 837.06 ± 1.00 830.41 ± 1.01 823.75 ± 1.02

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 817.10 ± 1.03 810.44 ± 1.05 803.78 ± 1.08 797.13 ± 1.11

cont.


217

ρ

ρ



(3-Octylundecyl)benzene

[5637-96-7]

C25H44

MW = 344.62


T = 273.15 to 408.15 K ρ = A + BT + CT 2 + DT 3 + … 1.03411 · 103 -5.57661 · 10-1 -1.68489 · 10-4

cont.


372

218


(3-Octylundecyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

−3

kg ⋅ m

855.80 ± 1.00 844.10 ± 1.00 829.60 ± 1.00 804.00 ± 1.00 792.00 ± 1.00 778.10 ± 1.00 869.90 ± 1.00 856.00 ± 1.00 844.10 ± 1.00 829.60 ± 1.00 804.00 ± 1.00


-0.35 -0.33 -0.02 0.68 -0.27 -0.33 0.69 -0.15 -0.33 -0.02 0.68

49-foe/fen(◆) 55-cut( ) 55-cut( ) 55-cut( ) 55-cut( ) 55-cut( ) 55-sch/whi( ) 55-sch/whi( ) 55-sch/whi( ) 55-sch/whi( ) 55-sch/whi( )

{ { { { {

T K

310.95 333.15 352.55 372.05 388.15 408.15 273.15 293.15 310.95 333.15 372.05


kg ⋅ m

844.10 ± 1.00 829.60 ± 1.00 816.79 ± 1.00 803.99 ± 1.00 792.02 ± 1.00 777.97 ± 1.00 869.70 ± 1.00 855.80 ± 1.00 843.90 ± 1.00 829.40 ± 1.00 803.80 ± 1.00


-0.31 -0.02 0.23 0.68 -0.25 -0.46 0.49 -0.35 -0.51 -0.22 0.49

58-cut/mcm(∆) 58-cut/mcm(∆) 58-cut/mcm(∆) 58-cut/mcm(∆) 58-cut/mcm(∆) 58-cut/mcm(∆) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇)

ρ

ρ

293.15 310.93 333.15 372.04 388.15 408.15 273.15 293.15 310.93 333.15 372.04

ρexp ± 2σ est


cont.



219



T K

871.26 ± 1.04 864.75 ± 1.02 858.22 ± 1.01 856.15 ± 1.01 852.86 ± 1.01 851.65 ± 1.01

270.00 280.00 290.00 293.15 298.15 300.00


T K

845.04 ± 1.00 838.40 ± 1.00 831.73 ± 1.01 825.03 ± 1.01 818.29 ± 1.01 811.52 ± 1.01

310.00 320.00 330.00 340.00 350.00 360.00

1,4-bis(1-Methylnonyl)benzene

[6796-14-1]

T K

370.00 380.00 390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 804.71 ± 1.01 797.87 ± 1.01 790.99 ± 1.01 784.09 ± 1.02 777.15 ± 1.04 770.17 ± 1.07

C26H46

MW = 358.65

373

C26H46

MW = 358.65

374


ρexp ± 2σ est

Ref.

kg ⋅ m−3

832.5 ± 1.0

66-stu

1,4-bis(1-Propylheptyl)benzene

[6796-18-5]



293.15 323.15


−3

850.0 ± 1.0 829.6 ± 1.0


-0.60 0.60

66-stu 66-stu

Table 3. Recommended values. T K 290.00 293.15



kg ⋅ m

852.9 ± 1.9 850.6 ± 1.6

T K 298.15 310.00


kg ⋅ m

847.0 ± 1.2 838.5 ± 0.8

T K 320.00 330.00


831.3 ± 1.3 824.1 ± 2.3

220


1,4-bis(4-Propylheptyl)benzene

[6796-32-3]

C26H46

MW = 358.65

375


293.15 323.15


858.9 ± 1.0 839.1 ± 1.0


-0.60 0.60

66-stu 66-stu


ρexp ± 2σ est

ρexp ± 2σ est

T K 298.15 310.00

kg ⋅ m−3

861.7 ± 1.9 859.5 ± 1.6

(1-Butylhexadecyl)benzene

kg ⋅ m−3

856.0 ± 1.2 847.7 ± 0.8 [2400-04-6]

T K 320.00 330.00

C26H46


840.7 ± 1.3 833.7 ± 2.3 MW = 358.65

376


293.15 310.93 333.15 372.04 1)


−3

851.4 ± 4.0 843.2 ± 0.5 827.7 ± 0.5 801.7 ± 0.5


-3.78 0.11 -0.28 0.17

42-pet/che1) 47-sch 47-sch 47-sch



310.00 320.00 330.00


kg ⋅ m

843.7 ± 4.0 836.9 ± 3.1 830.1 ± 1.9

T K

340.00 350.00 360.00


kg ⋅ m

823.3 ± 0.9 816.5 ± 1.8 809.7 ± 3.0

T K

370.00 380.00


802.9 ± 4.2 796.1 ± 5.1


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1-Butyl-4-hexadecylbenzene

[2655-92-7]

221

C26H46

MW = 358.65

377

C26H46

MW = 358.65

378


323.15 323.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

833.3 ± 1.0 833.3 ± 1.0

65-stu 66-stu-1

1,3-Didecylbenzene

[55191-38-3]

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 9.5204 · 10-2 (combined temperature ranges, weighted), σc,uw = 2.3753 · 10-2 (combined temperature ranges, unweighted). T = 273.15 to 372.05 K ρ = A + BT + CT 2 + DT 3 + … 1.05043 · 103 -6.98974 · 10-1 8.20830 · 10-5

Coefficient A B C


310.95 273.15 293.15 310.95 333.15 372.05 273.15 293.15 310.95


kg ⋅ m

841.10 ± 0.50 865.70 ± 0.50 852.60 ± 0.50 841.10 ± 0.50 826.70 ± 0.50 801.80 ± 0.50 865.70 ± 0.50 852.60 ± 0.50 841.10 ± 0.50


0.08 0.07 0.02 0.08 0.02 0.06 0.07 0.02 0.08

57-ano-3( ) 58-ano(∆) 58-ano(∆) 58-ano(∆) 58-ano(∆) 58-ano(∆) 58-cla(◆) 58-cla(◆) 58-cla(◆)

T K

333.15 372.05 372.05 310.95 273.15 293.15 310.95 333.15 372.05


kg ⋅ m

826.70 ± 0.50 801.80 ± 0.60 801.80 ± 0.60 841.10 ± 0.50 865.50 ± 0.50 852.40 ± 0.50 840.90 ± 0.50 826.50 ± 0.50 801.60 ± 0.50


0.02 0.06 0.06 0.08 -0.13 -0.18 -0.12 -0.18 -0.14

58-cla(◆) 58-cla(◆) 58-cla/dix(✕ ) 59-dix/cla(∇) 68-ano-1( ) 68-ano-1( ) 68-ano-1( ) 68-ano-1( ) 68-ano-1( )

{ { { { {


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 867.69 ± 0.57 861.15 ± 0.53 854.63 ± 0.51 852.58 ± 0.51 849.33 ± 0.51

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 848.12 ± 0.51 841.64 ± 0.51 835.16 ± 0.52 828.71 ± 0.52 822.27 ± 0.52

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 815.84 ± 0.53 809.44 ± 0.55 803.05 ± 0.59 796.67 ± 0.65

cont.


222


ρ

ρ

1,3-Didecylbenzene (cont.)


1,4-Didecylbenzene

[2655-95-0]

C26H46

MW = 358.65

379


T = 273.15 to 372.05 K ρ = A + BT + CT 2 + DT 3 + … 1.04204 · 103 -6.45387 · 10-1

cont.



223


−3

kg ⋅ m

841.40 ± 0.60 827.10 ± 0.60 802.00 ± 0.60 841.40 ± 0.60 841.40 ± 0.50 833.60 ± 1.00


0.03 0.07 0.07 0.04 0.04 0.12

52-ano(∇) 52-ano(∇) 52-ano(∇) 57-ano-3(∆) 59-dix/cla( ) 65-stu(✕ )

{

T K

323.15 273.15 293.15 310.95 333.15 372.05


kg ⋅ m

833.60 ± 1.00 865.70 ± 0.50 852.80 ± 0.50 841.20 ± 0.50 826.90 ± 0.50 801.80 ± 0.50


0.12 -0.05 -0.04 -0.16 -0.13 -0.12

66-stu(◆) 68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1(

) ) ) ) )

ρ

ρ

310.93 333.15 372.04 310.95 310.95 323.15

ρexp ± 2σ est


cont.


224


1,4-Didecylbenzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

T K

867.78 ± 0.57 861.33 ± 0.53 854.88 ± 0.53 852.84 ± 0.54 849.62 ± 0.56

270.00 280.00 290.00 293.15 298.15

300.00 310.00 320.00 330.00 340.00

1,4-Dimethyl-2-octadecylbenzene


T K

848.42 ± 0.57 841.97 ± 0.62 835.51 ± 0.67 829.06 ± 0.72 822.61 ± 0.75 [55191-39-4]

350.00 360.00 370.00 380.00

C26H46

ρ ± σ fit kg ⋅ m−3 816.15 ± 0.76 809.70 ± 0.72 803.25 ± 0.63 796.79 ± 0.51

MW = 358.65

380


Coefficient A B C


310.95 333.15 372.04 388.15 333.15


847.30 ± 0.50 832.80 ± 0.50 807.90 ± 0.50 796.60 ± 0.50 832.80 ± 0.50


0.10 -0.25 0.30 -0.20 -0.25

57-ano-3( ) 58-ano(∆) 58-ano(∆) 58-ano(∆) 58-cla(∇)

T K

372.05 388.15 408.15 372.05 310.95


807.80 ± 0.60 796.60 ± 0.50 783.20 ± 0.50 807.80 ± 0.60 847.30 ± 0.50


0.21 -0.20 0.00 0.21 0.10

58-cla(∇) 58-cla(∇) 58-cla(∇) 58-cla/dix(◆) 59-dix/cla( )

{


310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 847.80 ± 0.58 841.47 ± 0.54 835.08 ± 0.53 828.63 ± 0.55

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 822.13 ± 0.57 815.57 ± 0.58 808.95 ± 0.57 802.28 ± 0.56

T K

390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 795.55 ± 0.55 788.77 ± 0.57 781.93 ± 0.65 775.03 ± 0.79 cont.


225

ρ

ρ



Eicosylbenzene

[2398-68-7]

C26H46

MW = 358.65

381


333.15 372.04 333.15


kg ⋅ m

828.7 ± 0.6 804.1 ± 0.6 828.7 ± 0.6


-0.12 0.16 -0.12

47-sch 47-sch 52-ano-10

T K

372.04 310.95 310.95


kg ⋅ m

804.1 ± 0.6 843.0 ± 0.6 843.0 ± 0.5


0.16 -0.03 -0.03

52-ano-10 57-ano-13 59-dix/cla cont.


226


Eicosylbenzene (cont.) Table 3. Recommended values. T K 310.00 320.00 330.00

ρexp ± 2σ est

ρexp ± 2σ est

T K 340.00 350.00 360.00

−3

kg ⋅ m

843.6 ± 1.3 837.2 ± 0.8 830.8 ± 0.4

1-Ethyloctadecylbenzene

−3

kg ⋅ m

824.4 ± 0.5 818.0 ± 0.7 811.6 ± 1.2

[2400-02-4]

T K 370.00 380.00

C26H46


805.2 ± 1.7 798.8 ± 2.2

MW = 358.65

382



310.93 333.15 372.04


843.4 ± 0.5 828.4 ± 0.5 803.4 ± 0.5


0.00 -0.33 0.33

47-sch 47-sch 47-sch


310.00 320.00 330.00

ρexp ± 2σ est

ρexp ± 2σ est

T K

−3

kg ⋅ m

844.0 ± 1.5 837.4 ± 1.0 830.8 ± 0.5

kg ⋅ m

824.2 ± 0.3 817.6 ± 0.6 811.0 ± 1.1

340.00 350.00 360.00

1-Ethyl-4-octadecylbenzene

T K

−3

[2655-91-6]

370.00 380.00

C26H46


804.4 ± 1.6 797.8 ± 2.1

MW = 358.65

383


323.15 323.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

834.9 ± 1.0 834.9 ± 1.0

65-stu 66-stu-1


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1-(1-Heptyldodecyl)-4-methylbenzene

[55191-36-1]

227

C26H46

MW = 358.65

384


Coefficient A B


273.15 293.15 310.93 333.15 372.04 310.95


−3

866.40 ± 0.50 853.00 ± 0.50 841.30 ± 0.50 826.80 ± 0.50 800.90 ± 0.60 841.30 ± 0.50


0.16 -0.02 0.04 0.23 0.04 0.05

47-sch(∆) 47-sch(∆) 47-sch(∆) 47-sch(∆) 47-sch(∆) 57-ano-3( )

{

T K

310.95 273.15 293.15 310.95 333.15 372.05


−3

841.30 ± 0.50 866.20 ± 0.50 852.80 ± 0.50 841.10 ± 0.50 826.60 ± 0.50 800.70 ± 0.60


0.05 -0.04 -0.22 -0.15 0.03 -0.16

59-dix/cla( ) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇)


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 868.32 ± 0.55 861.71 ± 0.53 855.10 ± 0.52 853.02 ± 0.52 849.71 ± 0.51

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 848.49 ± 0.51 841.88 ± 0.50 835.27 ± 0.50 828.66 ± 0.50 822.05 ± 0.52

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 815.43 ± 0.55 808.82 ± 0.60 802.21 ± 0.65 795.60 ± 0.72

cont.


228


ρ

ρ

1-(1-Heptyldodecyl)-4-methylbenzene (cont.)


1-Heptadecyl-2,4,6-trimethylbenzene

[500035-67-6]

C26H46

MW = 358.65

385


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

851.3 ± 0.5

57-ano-13


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 (1-Hexyltetradecyl)benzene

[2398-64-3]

C26H46

229 MW = 358.65

386


Coefficient A B


kg ⋅ m

−3

853.70 ± 0.50 841.90 ± 0.50 827.40 ± 0.50


0.08 -0.00 0.12

{ { {

47-sch( ) 47-sch( ) 47-sch( )

T K

372.04 293.15


−3

801.60 ± 0.60 853.50 ± 0.50


-0.07 -0.12

{

47-sch( ) 49-foe/fen( )

ρ

ρ

293.15 310.95 333.15

ρexp ± 2σ est

Fig. 1. The symbols show the deviation of the calculated from the experimental values from Table 2. The curves above and below the zero line indicate the calculated error region of the recommended values given in Table 3. The error bars represent the experimental errors. (Error bars smaller than the symbols are omitted for clarity of the figure.) cont. Landolt-Börnstein New Series IV/8E

230


(1-Hexyltetradecyl)benzene (cont.) Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ). T K

290.00 293.15 298.15 300.00



T K

855.70 ± 0.56 853.62 ± 0.55 850.33 ± 0.53 849.11 ± 0.53

842.53 ± 0.51 835.94 ± 0.50 829.36 ± 0.51 822.77 ± 0.53

310.00 320.00 330.00 340.00

1-Hexyl-4-tetradecylbenzene

[500035-66-5]

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 816.19 ± 0.58 809.60 ± 0.64 803.02 ± 0.72 796.43 ± 0.82

C26H46

MW = 358.65

387

C26H46

MW = 358.65

388

Table 1. Experimental value with uncertainty. T K 323.15 323.15

ρexp ± 2σ est

Ref.

kg ⋅ m

−3

833.1 ± 1.0 833.1 ± 1.0

65-stu 66-stu-1

(1-Methylnonadecyl)benzene

[2398-66-5]


310.93 333.15 372.04


−3

843.2 ± 0.5 828.5 ± 0.5 802.9 ± 0.5


-0.28 -0.09 0.37




kg ⋅ m

844.1 ± 1.5 837.4 ± 1.0 830.7 ± 0.5

T K 340.00 350.00 360.00


kg ⋅ m

824.0 ± 0.3 817.3 ± 0.6 810.6 ± 1.1

T K 370.00 380.00


803.9 ± 1.6 797.2 ± 2.1


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 (1-Octyldodecyl)benzene

[2398-65-4]

231

C26H46

MW = 358.65

389


Coefficient A B C


293.15 310.93 333.15 372.04 310.95 310.95


kg ⋅ m

853.20 ± 0.50 842.40 ± 0.50 827.00 ± 0.50 801.30 ± 0.60 842.40 ± 0.50 842.40 ± 0.50


-0.29 0.43 -0.33 0.22 0.44 0.44

47-sch(∇) 47-sch(∇) 47-sch(∇) 47-sch(∇) 57-ano-3( ) 59-dix/cla(∆)

{

T K

273.15 293.15 310.95 333.15 372.05


kg ⋅ m

866.30 ± 0.50 853.00 ± 0.50 842.20 ± 0.50 826.60 ± 0.50 801.10 ± 0.50


0.04 -0.49 0.24 -0.73 0.02

) ) ) ) )

68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1(


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 868.25 ± 0.67 861.91 ± 0.58 855.52 ± 0.53 853.49 ± 0.52 850.27 ± 0.51

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 849.07 ± 0.51 842.58 ± 0.51 836.02 ± 0.52 829.42 ± 0.53 822.77 ± 0.53

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 816.06 ± 0.54 809.29 ± 0.57 802.48 ± 0.63 795.61 ± 0.73

cont.


232


ρ

ρ

(1-Octyldodecyl)benzene (cont.)


1-Octyl-4-dodecylbenzene

[500035-91-6]

C26H46

MW = 358.65

390

C26H46

MW = 358.65

391


323.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

833.7 ± 1.0

65-stu

(1-Propylheptadecyl)benzene

[2400-03-5]




233


310.93 333.15 372.04

ρexp ± 2σ est


−3

kg ⋅ m

843.2 ± 0.5 828.3 ± 0.5 803.0 ± 0.5

0.03 -0.20 0.17



T K 310.00 320.00 330.00

ρexp ± 2σ est

T K 340.00 350.00 360.00

−3

kg ⋅ m

843.8 ± 1.4 837.2 ± 0.9 830.6 ± 0.5

1,2,4,5-Tetrapentylbenzene

kg ⋅ m

824.0 ± 0.4 817.4 ± 0.6 810.8 ± 1.1 [6796-37-8]

ρexp ± 2σ est

T K 370.00 380.00

−3

kg ⋅ m−3

804.2 ± 1.6 797.6 ± 2.1

C26H46

MW = 358.65

392

C27H48

MW = 372.68

393


293.15 323.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

858.8 ± 1.0 838.3 ± 1.0

66-stu 66-stu

(1-Decylundecyl)benzene

[6703-80-6]


Coefficient A B


293.15 293.15 293.15 310.95 333.15


kg ⋅ m

853.10 ± 0.50 853.10 ± 0.50 853.30 ± 0.50 841.70 ± 0.50 827.20 ± 0.50


-0.12 -0.12 0.08 0.06 -0.01

{

46-par/wes( ) 49-foe/fen( ) 52-ano(∆) 52-ano(∆) 52-ano(∆)

T K

372.05 293.15 310.95 333.15 372.05


kg ⋅ m

801.90 ± 0.60 853.30 ± 0.50 841.70 ± 0.50 827.20 ± 0.50 801.90 ± 0.60


-0.01 0.08 0.06 -0.01 -0.01

52-ano(∆) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇) cont.


234


ρ

ρ

(1-Decylundecyl)benzene (cont.)



290.00 293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 855.27 ± 0.53 853.22 ± 0.53 849.97 ± 0.52 848.76 ± 0.52

T K

310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 842.26 ± 0.50 835.76 ± 0.50 829.26 ± 0.50 822.75 ± 0.52

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 816.25 ± 0.55 809.75 ± 0.59 803.24 ± 0.66 796.74 ± 0.74


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1-Octadecyl-2,4,6-trimethylbenzene

[55282-67-2]

235

C27H48

MW = 372.68

394


Coefficient A B C


310.95 333.15 372.04 388.15 333.15 372.05 388.15


−3

851.30 ± 0.50 837.20 ± 0.50 812.50 ± 0.60 802.30 ± 0.60 837.20 ± 0.50 812.50 ± 0.60 802.30 ± 0.60


0.02 -0.03 -0.02 0.05 -0.03 -0.01 0.05

57-ano-3( ) 58-ano(◆) 58-ano(◆) 58-ano(◆) 58-cla(∆) 58-cla(∆) 58-cla(∆)

T K

408.15 372.05 310.95 333.15 372.04 388.15


−3

789.40 ± 0.50 812.50 ± 0.60 851.30 ± 0.50 837.20 ± 0.50 812.50 ± 0.60 802.30 ± 0.60


-0.06 -0.01 0.02 -0.03 -0.02 0.05

58-cla(∆) 58-cla/dix(✕ ) 59-dix/cla( ) 68-ano-1(∇) 68-ano-1(∇) 68-ano-1(∇)

{


310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 851.88 ± 0.59 845.56 ± 0.53 839.22 ± 0.52 832.88 ± 0.54

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 826.54 ± 0.57 820.18 ± 0.60 813.82 ± 0.62 807.44 ± 0.62

T K

390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 801.06 ± 0.61 794.68 ± 0.62 788.28 ± 0.65 781.88 ± 0.74

cont.


236


ρ

ρ

1-Octadecyl-2,4,6-trimethylbenzene (cont.)


(1-Butyloctadecyl)benzene

[500035-44-9]

C28H50

MW = 386.70

395


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

855.4 ± 2.0

36-mik


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 (2-Decyldodecyl)benzene

[500034-56-0]

C28H50

237 MW = 386.70

396


Coefficient A B


kg ⋅ m

−3

872.60 ± 0.50 859.40 ± 0.50 847.40 ± 0.50


0.07 0.05 -0.21

68-ano-1( ) 68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


−3

833.00 ± 0.50 807.40 ± 0.60


0.02 0.07

68-ano-1( ) 68-ano-1( )

ρ

ρ

273.15 293.15 310.95

ρexp ± 2σ est

Fig. 1. The symbols show the deviation of the calculated from the experimental values from Table 2. The curves above and below the zero line indicate the calculated error region of the recommended values given in Table 3. The error bars represent the experimental errors. (Error bars smaller than the symbols are omitted for clarity of the figure.) cont. Landolt-Börnstein New Series IV/8E

238


(2-Decyldodecyl)benzene (cont.) Further references: [47-sch]. Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

874.61 ± 0.55 868.02 ± 0.54 861.42 ± 0.52 859.35 ± 0.52 856.05 ± 0.51

270.00 280.00 290.00 293.15 298.15


T K

854.83 ± 0.51 848.24 ± 0.50 841.65 ± 0.50 835.05 ± 0.50 828.46 ± 0.52

300.00 310.00 320.00 330.00 340.00

Docosylbenzene

T K

[5634-22-0]

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 821.87 ± 0.55 815.28 ± 0.59 808.68 ± 0.65 802.09 ± 0.72

C28H50

MW = 386.70

397

C29H52

MW = 400.73

398


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

851.3 ± 1.0

36-mik

2-(1-Decylundecyl)-1,4-dimethylbenzene [55373-91-6]


Coefficient A B


293.15 310.95


−3

857.40 ± 0.50 845.60 ± 0.50


0.02 -0.08

68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


−3

831.20 ± 0.50 805.50 ± 0.60


0.10 -0.04

68-ano-1( ) 68-ano-1( )

cont.


239

ρ

ρ




290.00 293.15 298.15 300.00


ρ ± σ fit kg ⋅ m−3 859.45 ± 0.61 857.38 ± 0.59 854.09 ± 0.57 852.88 ± 0.56

T K

310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 846.31 ± 0.53 839.74 ± 0.50 833.17 ± 0.50 826.60 ± 0.52

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 820.03 ± 0.56 813.46 ± 0.63 806.89 ± 0.71 800.32 ± 0.82

240


1,3,5-Trioctylbenzene

[7694-77-1]

C30H54

MW = 414.76

399

C31H56

MW = 428.79

400


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

852.5 ± 1.0

66-mak/rei

(1-Dodecyltridecyl)benzene

[6006-90-2]


Coefficient A B

Table 2. Experimental values with uncertainties and deviation from calculated values. z


kg ⋅ m

310.93 333.15 372.04 293.15 310.93

842.60 ± 0.50 828.00 ± 0.50 803.20 ± 0.60 853.90 ± 0.50 842.60 ± 0.50


0.11 -0.16 0.13 -0.06 0.11

47-sch(∇) 47-sch(∇) 47-sch(∇) 49-foe/fen( ) 52-ano( )

{

z


kg ⋅ m

333.15 372.04 310.95 333.15 372.05

828.00 ± 0.50 803.20 ± 0.60 842.60 ± 0.50 828.00 ± 0.50 803.00 ± 0.60


-0.16 0.13 0.12 -0.16 -0.07

{ {

52-ano( ) 52-ano( ) 68-ano-1(∆) 68-ano-1(∆) 68-ano-1(∆)


290.00 293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 855.99 ± 0.57 853.96 ± 0.56 850.73 ± 0.55 849.54 ± 0.55

T K

310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 843.09 ± 0.52 836.64 ± 0.51 830.19 ± 0.50 823.74 ± 0.51

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 817.29 ± 0.53 810.84 ± 0.57 804.39 ± 0.63 797.94 ± 0.71

cont.


241

ρ

ρ



(1-Butyldocosyl)benzene

[500035-45-0]

C32H58

MW = 442.81

401

C35H64

MW = 484.89

402


ρexp ± 2σ est

Ref.

kg ⋅ m−3

853.2 ± 2.0

36-mik

(1-Tetradecylpentadecyl)benzene

[56247-97-3]



242


(1-Tetradecylpentadecyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

310.93 333.15 372.04 310.95 333.15 372.05


kg ⋅ m

842.0 ± 0.5 828.1 ± 0.5 803.6 ± 0.5 842.0 ± 0.5 828.1 ± 0.5 803.6 ± 0.5


-0.35 -0.03 0.36 -0.33 -0.03 0.37

52-ano-10 52-ano-10 52-ano-10 68-ano-1 68-ano-1 68-ano-1


ρexp ± 2σ est

ρexp ± 2σ est

T K 340.00 350.00 360.00

kg ⋅ m−3

842.9 ± 1.5 836.5 ± 1.0 830.1 ± 0.5

(1-Hexadecylheptadecyl)benzene

kg ⋅ m−3

823.7 ± 0.4 817.3 ± 0.6 810.9 ± 1.1

[55517-74-3]

T K 370.00 380.00

C39H72


804.5 ± 1.6 798.1 ± 2.1

MW = 541.00

403



333.15 358.15 372.04


kg ⋅ m

828.3 ± 0.5 812.3 ± 0.5 803.9 ± 0.5


-0.16 -0.16 0.33

68-ano-1 68-ano-1 68-ano-1



kg ⋅ m

830.5 ± 1.2 824.1 ± 0.8

T K 350.00 360.00


kg ⋅ m

817.7 ± 0.3 811.3 ± 0.4

T K 370.00 380.00


804.9 ± 0.8 798.5 ± 1.3


2.6 Alkylbenzenes (CnH2n-6), C17 - C50 1,2-bis(1-Butyloctadecyl)benzene

[500035-60-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

847.0 ± 2.0


36-mik

C50H94

243 MW = 695.30

404

3.1 Alkenylbenzenes (CnH2n-8), C8 - C10

245

3 Tabulated Data on Density - Alkenylbenzenes (CnH2n-8) 3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 Ethenylbenzene

[100-42-5]

C8H8

MW = 104.15

405


Coefficient A B C


416.15 273.15 286.15 293.15 255.35 268.75 273.15 288.75 294.25 310.95 288.71 273.15 293.15 298.15 313.15 333.15 353.15 373.15 393.15 418.15 288.71 293.15 298.15 293.15 1)


−3

792.60 ± 0.60 925.10 ± 1.00 912.10 ± 0.60 905.60 ± 0.20 941.00 ± 2.00 929.70 ± 2.00 925.90 ± 2.00 912.70 ± 3.00 908.00 ± 3.00 893.80 ± 4.00 910.37 ± 0.30 924.00 ± 0.40 905.60 ± 0.20 901.00 ± 0.20 887.30 ± 0.40 868.90 ± 0.40 850.60 ± 0.40 832.20 ± 0.60 813.80 ± 0.60 790.90 ± 0.60 910.38 ± 0.20 905.74 ± 0.20 901.66 ± 0.20 905.50 ± 0.20


-0.36 0.95 -0.21 -0.33 0.68 1.55 1.75 2.76 3.07 4.11 0.39 -0.15 -0.33 -0.37 -0.38 -0.47 -0.43 -0.44 -0.41 -0.21 0.40 -0.19 0.29 -0.43

1883-sch-3(✕ ) 1883-weg(✕ ) 03-kla/kei(✕ ) 39-pat/sch(∇) 42-gar/ada(✕ ) 42-gar/ada1) 42-gar/ada1) 42-gar/ada1) 42-gar/ada1) 42-gar/ada1) 43-pfe(◆) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 43-woo/hig(✕ ) 45-cra/pfe( ) 49-dre/mar(∆) 49-dre/mar(∆) 49-foe/fen( )

{

T K

283.15 293.15 298.15 303.15 311.55 323.15 333.15 343.15 298.15 313.15 303.15 313.15 323.15 333.15 343.15 353.15 363.15 298.15 298.15 298.15 298.15 303.15 308.15


−3

915.00 ± 0.60 905.80 ± 0.60 901.00 ± 0.60 897.00 ± 0.60 889.00 ± 0.60 878.90 ± 0.70 869.00 ± 0.70 860.00 ± 0.70 901.60 ± 0.50 888.50 ± 1.00 895.40 ± 0.50 887.10 ± 0.50 878.50 ± 0.50 869.90 ± 0.50 861.10 ± 0.60 851.90 ± 0.60 841.20 ± 0.60 901.48 ± 0.40 901.42 ± 0.40 901.51 ± 0.40 901.60 ± 0.60 897.10 ± 0.60 892.60 ± 0.60


-0.04 -0.13 -0.37 0.19 -0.14 0.37 -0.37 -0.21 0.23 0.82 -1.41 -0.58 -0.03 0.53 0.89 0.87 -0.64 0.11 0.05 0.14 0.23 0.29 0.36

51-mat/aue-1(✕ ) 51-mat/aue-11) 51-mat/aue-11) 51-mat/aue-1(✕ ) 51-mat/aue-1(✕ ) 51-mat/aue-1(✕ ) 51-mat/aue-1(✕ ) 51-mat/aue-1(✕ ) 57-pet/smy(✕ ) 57-pet/smy1) 73-tok/pug1) 73-tok/pug(✕ ) 73-tok/pug(✕ ) 73-tok/pug(✕ ) 73-tok/pug(✕ ) 73-tok/pug(✕ ) 73-tok/pug(✕ ) 93-hai/guo(✕ ) 95-hai/cha(✕ ) 95-hai/min-1(✕ ) 97-ami/pat1) 97-ami/pat(✕ ) 97-ami/pat(✕ )



246


Ethenylbenzene (cont.)

ρ

ρ

Further references: [1884-gla, 1885-nas/ber, 1886-bru, 1891-gla, 1896-per, 1897-bil-1, 07-erf, 10von/eis, 11-hil/dun, 17-von-1, 29-sab, 32-vor/fis, 33-hof/lan, 34-bir/hag, 34-dyk, 35-ott/wen, 35-sho/sho, 37-mul, 38-sta, 42-jon/sco, 43-gol/jos, 45-gri, 48-tsc-1, 48-tsc-2, 49-boo/gre, 50-boo/gre, 52-ano-5, 55dre/mar, 55-jun/von, 56-sch/cor, 57-mal/mal, 58-lev/nic, 63-pud/kon, 68-ano, 75-mil/wac].



250.00 260.00 270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 945.17 ± 1.90 936.10 ± 1.36 927.01 ± 0.96 917.91 ± 0.67 908.80 ± 0.48 905.93 ± 0.44 901.37 ± 0.39

T K

300.00 310.00 320.00 330.00 340.00 350.00 360.00

ρ ± σ fit kg ⋅ m−3 899.68 ± 0.38 890.55 ± 0.35 881.41 ± 0.37 872.26 ± 0.44 863.10 ± 0.53 853.92 ± 0.63 844.74 ± 0.72

T K

370.00 380.00 390.00 400.00 410.00 420.00 430.00

ρ ± σ fit kg ⋅ m−3 835.54 ± 0.80 826.33 ± 0.85 817.12 ± 0.85 807.89 ± 0.81 798.65 ± 0.70 789.40 ± 0.55 780.14 ± 0.46


3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 1-Ethenyl-2-methylbenzene

[611-15-4]

C9H10

247 MW = 118.18

406


Coefficient A B


285.70 286.40 286.55 287.25 293.15


−3

917.40 ± 0.60 916.80 ± 0.60 916.10 ± 0.60 915.50 ± 0.60 910.60 ± 0.50


-0.16 -0.18 -0.76 -0.78 -0.80

17-von-1(∆) 17-von-1(∆) 17-von-1(∆) 17-von-1(∆) 51-kut/nic( )

{

T K

273.15 298.15 308.15 293.15


−3

928.40 ± 0.25 907.70 ± 0.25 899.20 ± 0.25 913.00 ± 1.00


0.46 0.43 0.20 1.60

53-cle/wis( ) 53-cle/wis( ) 53-cle/wis( ) 56-sch/cor(∇)

Further references: [35-sho/sho, 59-sia].


270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 930.54 ± 0.64 922.28 ± 0.59 914.01 ± 0.58

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 911.40 ± 0.58 907.27 ± 0.49 905.74 ± 0.44

T K

310.00 320.00

ρ ± σ fit kg ⋅ m−3 897.47 ± 0.26 889.20 ± 0.29

cont.


248


ρ

ρ

1-Ethenyl-2-methylbenzene (cont.)


1-Ethenyl-3-methylbenzene

[100-80-1]

C9H10

MW = 118.18

407


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

906.0 ± 3.0 902.0 ± 4.0 902.0 ± 3.0 898.9 ± 2.0 928.3 ± 6.0

1)

26-tit 35-sho/sho1) 49-buc/col1) 51-kut/nic 53-cle/wis1)

T K 298.15 308.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

907.6 ± 6.0 899.2 ± 6.0 901.3 ± 1.5 901.0 ± 1.5 900.7 ± 1.5

53-cle/wis1) 53-cle/wis1) 56-sch/cor 58-lev/nic Recommended



3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 1-Ethenyl-4-methylbenzene

[622-97-9]

C9H10

249 MW = 118.18

408


291.15 289.15 289.55 289.45 289.35 293.15 298.15 297.15 297.15 1)

ρexp ± 2σ est


kg ⋅ m−3

897.4 ± 2.5 897.8 ± 3.0 900.3 ± 1.0 901.0 ± 2.0 901.1 ± 2.0 894.0 ± 3.0 881.3 ± 4.0 895.0 ± 2.0 893.0 ± 3.0

-1.52 -2.82 0.02 0.64 0.65 -3.22 -11.67 1.18 -0.82

T K

02-kla1) 03-kla/kei1) 12-von-1 12-von-1 12-von-1 34-lov/cam1) 35-ott/wen1) 35-sho/sho 49-buc/col1)

293.15 293.15 273.15 298.15 308.15 293.15 293.15 293.15 293.15


903.7 ± 4.0 876.0 ± 10.0 938.3 ± 6.0 917.3 ± 6.0 908.8 ± 6.0 896.1 ± 2.0 897.3 ± 1.0 897.0 ± 1.0 897.0 ± 1.0


6.43 -21.22 24.08 24.33 24.33 -1.12 0.08 -0.22 -0.22

49-dre/mar1) 51-kut/nic1) 53-cle/wis1) 53-cle/wis1) 53-cle/wis1) 56-sch/cor 56-vai/ria 58-lev/nic 59-sia




908.4 ± 1.6 899.9 ± 1.1 897.2 ± 1.1 893.0 ± 1.5

(1-Methylethenyl)benzene

[98-83-9]

C9H10

MW = 118.18

Table 1. Coefficients of the polynomial expansion equation. Standard deviations (see introduction): σc,w = 2.3111 (combined temperature ranges, weighted), σc,uw = 2.9013 · 10-1 (combined temperature ranges, unweighted). Coefficient A B C

T = 273.15 to 423.11 K ρ = A + BT + CT 2 + DT 3 + … 1.05018 · 103 -1.94615 · 10-1 -9.78152 · 10-4

cont.


409

250


(1-Methylethenyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp ± 2σ est

T K

−3

kg ⋅ m

282.75 293.15 297.15 273.15 290.55 292.95 288.15 293.15 273.15 293.15 293.15 293.15

-0.45 -1.07 -1.58 -0.94 2.34 -1.42 0.72 -1.07 3.04 3.63 2.43 -0.77

01-gri-2(✕ ) 02-kla(✕ ) 02-kla-2(✕ ) 02-tif-1(✕ ) 10-von/eis1) 10-von/eis(✕ ) 13-kis-2(✕ ) 17-von-1(◆) 27-dan/ven(✕ ) 27-dan/ven1) 27-dan/ven1) 43-ano-3(∆)

T K

293.15 298.15 293.15 298.15 293.15 298.15 293.15 323.14 348.13 373.12 398.12 423.11


kg ⋅ m

909.80 ± 2.00 905.60 ± 2.00 910.50 ± 2.00 906.20 ± 2.00 908.80 ± 0.60 907.00 ± 2.00 909.10 ± 0.50 886.60 ± 0.32 863.90 ± 0.35 840.00 ± 0.37 817.50 ± 0.40 793.40 ± 0.42


0.73 0.40 1.43 1.00 -0.27 1.80 0.03 1.45 0.02 -1.39 -0.16 0.68

44-dre-11) 44-dre-1(✕ ) 45-stu1) 45-stu(✕ ) 46-ano(∇) 48-bac/hel(✕ ) 56-sch/cor( ) 97-ste/chi( ) 97-ste/chi( ) 97-ste/chi( ) 97-ste/chi( ) 97-ste/chi( )

{


ρ

ρ

1)

916.50 ± 1.00 908.00 ± 1.00 904.40 ± 2.00 923.10 ± 2.00 913.40 ± 3.00 907.80 ± 1.00 913.60 ± 2.00 908.00 ± 1.00 927.08 ± 3.00 912.70 ± 4.00 911.50 ± 3.00 908.30 ± 0.60





251

Further references: [07-tif, 18-ley, 30-sab, 45-bal/mar]. Table 3. Recommended values (fit to the reliable experimental values according to the equations ρ = A + BT + CT 2 + DT 3 + … or ρ = [1 + 1.75(1 - T/Tc)1/3 + 0.75(1 - T/Tc)][ρc + A(Tc -T ) + B(Tc - T )2 + C(Tc - T )3 + D(Tc - T )4] ).


T K

926.33 ± 2.39 919.00 ± 1.87 911.48 ± 1.45 909.07 ± 1.33 905.20 ± 1.17 903.76 ± 1.11 895.85 ± 0.86

270.00 280.00 290.00 293.15 298.15 300.00 310.00


T K

887.74 ± 0.67 879.44 ± 0.55 870.94 ± 0.47 862.24 ± 0.43 853.35 ± 0.41 844.26 ± 0.42 834.98 ± 0.43

320.00 330.00 340.00 350.00 360.00 370.00 380.00

1-Propenylbenzene

T K

[637-50-3]

390.00 400.00 410.00 420.00 430.00

C9H10

ρ ± σ fit kg ⋅ m−3 825.50 ± 0.45 815.83 ± 0.47 805.96 ± 0.50 795.89 ± 0.53 785.63 ± 0.56

MW = 118.18

410

MW = 118.18

411

Table 1. Experimental values with uncertainties

T K 277.15 278.15 283.15 288.15 293.15 298.15 296.15 293.15 273.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

923.0 ± 4.0 922.2 ± 4.0 917.9 ± 4.0 913.5 ± 4.0 909.3 ± 4.0 904.9 ± 4.0 908.9 ± 4.0 913.0 ± 4.0 935.0 ± 4.0 907.0 ± 4.0

1896-per 1896-per 1896-per 1896-per 1896-per 1896-per 05-age 30-les 31-lev/dvo 33-nen/isa

(E)-1-Propenylbenzene

ρexp ± 2σ est

T K

Ref.

kg ⋅ m−3

293.15 293.15 293.15 293.15 273.15 285.15 286.15 293.15 299.15

914.1 ± 4.0 913.0 ± 4.0 911.0 ± 4.0 914.1 ± 4.0 925.3 ± 4.0 918.1 ± 4.0 915.1 ± 4.0 914.1 ± 4.0 908.1 ± 4.0

[873-66-5]

39-bri/ryf 39-lev 58-lev/nic 63-pud/kon 03-kla-3 03-kla-3 03-kla-3 03-kla-3 03-kla-3

C9H10



252


(E)-1-Propenylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 293.15 298.15 293.15 298.15 1)

ρexp ± 2σ est


−3

kg ⋅ m

907.2 ± 0.6 906.7 ± 0.6 901.9 ± 2.0 902.0 ± 4.0 915.5 ± 10.0

0.28 -0.22 -0.77 -4.92 12.83

52-ano-5 53-ano-1 53-mix/hec 54-par/wri1) 55-ove/tan1)



290.00 293.15 298.15


909.6 ± 0.4 906.9 ± 0.3 902.7 ± 0.6

(Z)-1-Propenylbenzene

[766-90-5]

C9H10

MW = 118.18

412



kg ⋅ m

908.8 ± 0.6 916.0 ± 2.5 910.4 ± 2.5 909.0 ± 0.6

T K 39-cam/oco 298.15 41-pau1) 293.15 49-lar/jeg1) 293.15 53-ano-1

Ref.

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

910.7 ± 3.0 902.0 ± 4.0 908.9 ± 0.6

53-mix/hec1) 54-par/wri1) Recommended


2-Propenylbenzene

[300-57-2]

C9H10

MW = 118.18

413

Table 1. Experimental and recommended values with uncertainties. T K 287.65 291.15 293.65 273.15 293.15 293.15 293.15 1)


kg ⋅ m

901.8 ± 3.0 901.2 ± 2.5 892.8 ± 3.0 906.9 ± 4.0 893.0 ± 3.0 893.0 ± 3.0 893.0 ± 3.0

T K 04-bar/gri1) 298.15 04-tif1) 293.15 05-age1) 293.15 05-age1) 293.15 1) 30-les 293.15 30-les-11) 293.15 34-hus/goo1) 293.15

Ref.

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.2 ± 10.0 892.9 ± 3.0 892.3 ± 4.0 896.0 ± 2.0 899.2 ± 2.0 899.0 ± 2.0 898.1 ± 2.1

37-mck/sow1) 39-bri/ryf1) 39-lev1) 44-naz/tsu 58-hil/hay 58-hil/hay Recommended



3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 1-Butenylbenzene

[824-90-8]

253

C10H12

MW = 132.21

414

C10H12

MW = 132.21

415


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

912.4 ± 4.0

04-kla

(E)-1-Butenylbenzene

[1005-64-7]



286.15 284.15 293.15 293.15 1)


906.5 ± 2.0 907.0 ± 2.0 892.7 ± 6.0 901.9 ± 0.5


-1.24 -2.44 -9.09 0.11

T K

03-kun/sie 29-que-1 34-war/ful1) 46-boo/gre

293.15 293.15 298.15


901.9 ± 0.5 896.5 ± 4.0 907.0 ± 8.0


0.11 -5.29 9.46

49-boo/hen 49-vor/bro1) 55-ove/tan1)



280.00 290.00 293.15 298.15


913.0 ± 1.4 904.5 ± 0.6 901.8 ± 0.5 897.5 ± 0.7

(Z)-1-Butenylbenzene

[1560-09-4]

C10H12

MW = 132.21



416

254


(Z)-1-Butenylbenzene (cont.)


292.15 293.15 273.15 293.15 293.15

ρexp ± 2σ est


−3

kg ⋅ m

909.7 ± 2.0 910.6 ± 1.0 927.7 ± 1.0 910.0 ± 1.0 909.6 ± 1.0

-1.29 0.46 0.56 -0.14 -0.54

10-von/rot 11-rii 31-lev/dvo 58-lev/nic 63-pud/kon



929.8 ± 1.1 921.3 ± 0.7 912.8 ± 0.5 910.1 ± 0.6 905.9 ± 0.7

2-Butenylbenzene

[1560-06-1]

C10H12

MW = 132.21

417


293.15 273.15 290.05 292.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

883.1 ± 5.0 899.1 ± 5.0 883.9 ± 5.0 906.9 ± 5.0

11-rii 13-and 19-eyk 23-von/sch

3-Butenylbenzene

ρexp ± 2σ est

T K

Ref.

kg ⋅ m−3

293.15 293.15 293.15 293.15

903.3 ± 5.0 900.6 ± 5.0 885.2 ± 5.0 921.2 ± 5.0

[768-56-9]

37-lev/pet 41-lev/shc 57-kup/dom 60-shi/sev

C10H12

MW = 132.21

418


288.65 288.65 287.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

901.5 ± 5.0 901.0 ± 5.0 887.8 ± 5.0 883.1 ± 5.0 906.0 ± 5.0

1872-aro 1874-aro 06-kla-1 11-rii 25-gil/bea-2

T K

293.15 293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.5 ± 5.0 882.2 ± 5.0 881.5 ± 5.0 881.5 ± 5.0

37-lev/pet 46-kar/lam 50-bry/tur 53-tre


3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 1,3-Dimethyl-2-ethenylbenzene

[2039-90-9]

255

C10H12

MW = 132.21

419

C10H12

MW = 132.21

420

C10H12

MW = 132.21

421

C10H12

MW = 132.21

422


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

907.9 ± 0.6 907.9 ± 0.6

54-sch/cor 56-sch/cor

1,3-Dimethyl-4-ethenylbenzene

[2234-20-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

902.2 ± 3.0 904.0 ± 3.0 905.1 ± 0.5 906.2 ± 1.0 905.3 ± 0.6

03-kla/kei1) 46-mar/sau1) 56-sch/cor 59-sia Recommended



[5379-20-4]


298.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

894.0 ± 3.0 893.5 ± 2.0 895.7 ± 2.0 894.6 ± 2.1

46-mar/sau1) 56-sch/cor 59-sia Recommended



[2039-89-6]


cont.


256


1,4-Dimethyl-2-ethenylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

290.65 298.15 293.15


kg ⋅ m


907.2 ± 2.0 899.0 ± 1.0 903.3 ± 1.0

1.38 -0.07 -0.27

03-kla/kei 46-mar/sau 56-sch/cor


290.00 293.15 298.15


906.4 ± 1.2 903.6 ± 0.8 899.1 ± 0.8


[27831-13-6]

C10H12

MW = 132.21

423

C10H12

MW = 132.21

424


ρexp ± 2σ est

Ref.

kg ⋅ m−3

906.0 ± 3.0 906.0 ± 2.0 908.0 ± 1.0 907.6 ± 1.1

46-mar/sau1) 58-ria/vai 59-sia Recommended


1-Ethenyl-2-ethylbenzene

[7564-63-8]


295.15 293.15 298.15 1)


kg ⋅ m

911.9 ± 6.0 905.7 ± 0.6 901.7 ± 0.6


7.78 -0.08 0.09

36-fri/bes1) 49-dre/mar 49-dre/mar


cont.



257


T K

kg ⋅ m−3

908.5 ± 0.5 905.8 ± 0.4 901.6 ± 0.4

290.00 293.15 298.15


[7525-62-4]

C10H12

MW = 132.21

425

C10H12

MW = 132.21

426



293.15 298.15 293.15 1)


kg ⋅ m


894.5 ± 0.6 890.4 ± 0.6 899.7 ± 4.0

-0.10 0.11 5.13

49-dre/mar 49-dre/mar 63-pud/kon1)




897.3 ± 0.5 894.6 ± 0.5 890.3 ± 0.5


[3454-07-7]



258


1-Ethenyl-4-ethylbenzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

286.15 288.15 298.15 293.15 1)


kg ⋅ m

907.4 ± 8.0 895.3 ± 2.0 890.1 ± 3.0 892.5 ± 0.6


8.79 -1.61 1.69 -0.19

T K

02-kla1) 03-kla/kei 35-ott/wen1) 49-dre/mar

298.15 293.15 293.15


kg ⋅ m

888.4 ± 0.6 893.5 ± 1.0 892.7 ± 1.0


0.02 0.84 0.04

49-dre/mar 58-ria/vai 59-sia




903.8 ± 1.5 895.3 ± 0.6 892.7 ± 0.5 888.4 ± 0.5

(1-Methylenepropyl)benzene

[2039-93-2]

C10H12

MW = 132.21

427

C10H12

MW = 132.21

428


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

906.3 ± 10.0 890.0 ± 2.0 888.0 ± 2.0 898.4 ± 10.0 886.8 ± 0.5 887.0 ± 0.6

41-nes/pec-11) 48-bac/hel 48-bac/hel 52-cra1) 55-ove/tan Recommended


Methyl(1-methylethenyl)benzene

[26444-18-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

857.5 ± 3.0

35-mal


3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 1-Methyl-2-(1-methylethenyl)benzene

[7399-49-7]

259

C10H12

MW = 132.21

429

C10H12

MW = 132.21

430

C10H12

MW = 132.21

431


288.15 288.15 298.95 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

918.0 ± 10.0 918.1 ± 10.0 873.9 ± 10.0 889.3 ± 0.6 889.3 ± 0.6

13-sab/mur-11) 15-sab/mur1) 36-ber/wei-11) 52-ano-5 Recommended


1-Methyl-3-(1-methylethenyl)benzene

[1124-20-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

911.5 ± 6.0 903.4 ± 0.6 903.4 ± 0.6 903.4 ± 0.6

07-tif1) 13-sab/mur-1 15-sab/mur Recommended


1-Methyl-4-(1-methylethenyl)benzene

[1195-32-0]


273.15 296.15 291.65 291.85 273.15 289.15 273.15 1)


kg ⋅ m

912.2 ± 2.0 893.6 ± 2.0 902.4 ± 3.0 902.2 ± 3.0 912.0 ± 2.0 907.3 ± 10.0 911.9 ± 2.0


-1.15 -1.35 3.85 3.81 -1.35 6.75 -1.45

07-tif 10-gri 12-von-11) 12-von-11) 13-sab/mur-1 13-sab/mur-11) 15-sab/mur

T K

289.15 293.15 298.15 293.15 293.15 293.15


kg ⋅ m

907.2 ± 10.0 899.6 ± 2.0 895.0 ± 2.0 905.0 ± 5.0 896.9 ± 2.0 899.2 ± 2.0


6.65 2.25 1.65 7.65 -0.45 1.85

15-sab/mur1) 43-bal/mar 48-bac/hel 61-bor/zac1) 61-tom/zac 61-tom/zac-1



260


1-Methyl-4-(1-methylethenyl)benzene (cont.) Table 3. Recommended values. T K 270.00 280.00 290.00 293.15 298.15


915.9 ± 2.3 907.9 ± 1.7 899.9 ± 1.6 897.3 ± 1.7 893.3 ± 1.9

(1-Methyl-1-propenyl)benzene

[2082-61-3]

C10H12

MW = 132.21

432

MW = 132.21

433

Table 1. Experimental values with uncertainties. T K 288.15 295.15 292.85 292.85

ρexp ± 2σ est

Ref.

kg ⋅ m−3

922.1 ± 4.0 909.0 ± 4.0 909.5 ± 4.0 908.8 ± 4.0

02-kla-1 02-kla-2 10-von/eis 10-von/eis

ρexp ± 2σ est T K kg ⋅ m−3 298.15 891.1 ± 4.0 293.15 909.0 ± 4.0 293.15 904.1 ± 4.0

Ref.

[768-00-3]

C10H12

(E)-(1-Methyl-1-propenyl)benzene

18-hal/bau 18-von-2 39-kaz/tat-1



kg ⋅ m

917.8 ± 0.6 917.8 ± 0.6 979.9 ± 20.0 917.8 ± 0.6

ρexp ± 2σ est T K kg ⋅ m−3 45-boo/gre 293.15 919.9 ± 1.5 45-gre/waa 298.15 919.1 ± 5.0 49-cra1) 298.15 917.9 ± 0.6 52-ano-5

Ref.

Ref. 52-ano-6 52-cra1) Recommended


(Z)-(1-Methyl-1-propenyl)-benzene

[767-99-7]

C10H12

MW = 132.21

434


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

919.1 ± 20.0 891.8 ± 2.0 891.8 ± 2.0

49-cra1) 52-cra Recommended



3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 (R)-(1-Methyl-2-propenyl)benzene

[36617-88-6]

261

C10H12

MW = 132.21

435

C10H12

MW = 132.21

436


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

879.2 ± 2.0

52-cra

1-Methyl-2-(2-propenyl)benzene

[1587-04-8]


Coefficient A B


280.15 297.65


kg ⋅ m

911.00 ± 1.00 897.00 ± 1.00


0.25 -0.02

34-hur/bol( ) 34-hur/bol( )

T K

308.15 293.15


kg ⋅ m

889.00 ± 1.00 900.10 ± 1.00


0.22 -0.45

34-hur/bol( ) 37-lev/gri(∇)


280.00 290.00 293.15

ρ ± σ fit kg ⋅ m−3 910.87 ± 1.24 903.02 ± 1.03 900.55 ± 1.00

T K

298.15 300.00 310.00

ρ ± σ fit kg ⋅ m−3 896.63 ± 1.01 895.17 ± 1.03 887.33 ± 1.25

T K

320.00

ρ ± σ fit kg ⋅ m−3 879.48 ± 1.61

cont.


262


ρ

ρ

1-Methyl-2-(2-propenyl)benzene (cont.)


(Z)-1-Methyl-2-(1-propenyl)benzene

[2077-33-0]

C10H12

MW = 132.21

437

C10H12

MW = 132.21

438


ρexp ± 2σ est

Ref.

kg ⋅ m−3

901.7 ± 1.0

37-lev/gri

(Z)-1-Methyl-3-(1-propenyl)benzene

[2077-31-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

895.4 ± 1.0

37-lev/gri


3.1 Alkenylbenzenes (CnH2n-8), C8 - C10 (Z)-1-Methyl-4-(1-propenyl)-benzene

[2077-29-4]

263

C10H12

MW = 132.21

439

C10H12

MW = 132.21

440

C10H12

MW = 132.21

441


287.15 286.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

988.0 ± 50.0 905.7 ± 4.0 889.6 ± 4.0 905.9 ± 0.6 905.9 ± 0.6

02-kla1) 03-kun1) 37-lev1) 52-ano-5 Recommended


1-Methyl-3-(2-propenyl)-benzene

[3333-20-8]


295.15 295.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

903.4 ± 6.0 903.4 ± 6.0 891.0 ± 3.0 891.0 ± 3.0

13-sab/mur-11) 15-sab/mur1) 37-lev/gri Recommended


1-Methyl-4-(2-propenyl)-benzene

[3333-13-9]


273.15 289.15 293.15 293.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

912.0 ± 10.0 901.3 ± 10.0 883.0 ± 3.0 879.9 ± 0.6 879.9 ± 0.6 879.9 ± 0.6

13-sab/mur-11) 13-sab/mur-11) 37-lev/gri1) 46-boo/gre 49-boo/hen Recommended



264



[768-49-0]

C10H12

MW = 132.21

442


Coefficient A B


277.15 278.15 283.15 288.15 293.15 298.15 287.65


−3

916.30 ± 2.00 915.40 ± 2.00 911.30 ± 2.00 907.30 ± 2.00 903.20 ± 2.00 898.70 ± 2.00 902.20 ± 2.00


0.89 0.88 1.25 1.73 2.10 2.07 -3.82

1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per(✕ ) 1896-per1) 1896-per(✕ ) 04-kla-1(✕ )

T K

273.15 293.15 293.15 293.15 293.15 293.15 293.15


−3

917.20 ± 2.00 900.50 ± 1.00 900.50 ± 1.00 901.10 ± 0.50 901.10 ± 0.50 901.10 ± 0.50 901.10 ± 0.50


-1.79 -0.60 -0.60 -0.00 -0.00 -0.00 -0.00

07-tif-2(✕ ) 10-kis(✕ ) 12-kiz(◆) 44-boo/per( ) 46-boo/gre( ) 49-boo/hen(∇) 52-ano-5(∆)

{

Further references: [10-von/eis, 46-bue/kar, 49-vor/bro-1, 52-kaz/gru, 54-par/wri, 55-she/wri, 59mas/def].


270.00 280.00 290.00

ρ ± σ fit kg ⋅ m−3 921.81 ± 2.52 912.86 ± 1.87 903.92 ± 1.28

T K

293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 901.10 ± 1.11 896.63 ± 0.91 894.97 ± 0.86

T K

310.00

ρ ± σ fit kg ⋅ m−3 886.03 ± 0.90

cont.


265

ρ

ρ




[3290-53-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

882.1 ± 0.5


46-bue/kar

C10H12

MW = 132.21

443

Empty page 266


267

3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 1-(1-Butenyl)-3-methylbenzene

[500034-04-8]

C11H14

MW = 146.23

444

C11H14

MW = 146.23

445

C11H14

MW = 146.23

446

C11H14

MW = 146.23

447

C11H14

MW = 146.23

448


291.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.1 ± 2.0

10-gri

1-(1-Butenyl)-4-methylbenzene

[500034-05-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.3 ± 2.0

03-kun

1,2-Dimethyl-3-(1-methylethenyl)benzene

[500010-80-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.0 ± 2.0

48-bac/hel


[18908-16-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

906.0 ± 3.0 933.0 ± 3.0

48-bac/hel 60-lap/ryb


[500027-37-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.5 ± 5.0


59-her/kna

268



[500027-42-9]

C11H14

MW = 146.23

449

C11H14

MW = 146.23

450

C11H14

MW = 146.23

451

C11H14

MW = 146.23

452

C11H14

MW = 146.23

453


293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.5 ± 5.0 906.7 ± 4.0

59-her/kna 60-lap/ryb

(1,1-Dimethyl-1-propenyl)benzene

[500034-63-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

897.0 ± 2.0

10-von/eis


[18321-36-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.3 ± 0.5

52-ano-6


[769-57-3]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.7 ± 3.0 908.0 ± 3.0 900.0 ± 3.0

13-lep 13-lep 64-iof/sto

1,2-Dimethyl-4-(1-propenyl)benzene

[500034-06-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

915.1 ± 2.0

03-kun


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 1,3-Dimethyl-4-(1-propenyl)benzene

[500034-07-1]

269

C11H14

MW = 146.23

454

C11H14

MW = 146.23

455

C11H14

MW = 146.23

456

C11H14

MW = 146.23

457

C11H14

MW = 146.23

458


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

903.0 ± 6.0 909.6 ± 2.0

12-kun 29-ber/ang

1,4-Dimethyl-2-(1-propenyl)benzene

[41965-20-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

925.9 ± 2.0

12-kun

1-Ethenyl-4-(1-methylethyl)benzene

[2055-40-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

894.0 ± 1.0

59-sia

1-Ethenyl-2,4,5-trimethylbenzene

[3937-24-4]


290.15 289.65

ρexp ± 2σ est

Ref.

kg ⋅ m−3

913.7 ± 2.0 916.0 ± 2.0

03-kla/kei 49-buc/col

1-Ethenyl-2,4,6-trimethylbenzene

[769-25-5]


293.15 290.65 294.15 293.15


kg ⋅ m

905.7 ± 2.0 907.3 ± 2.0 906.0 ± 2.0 906.2 ± 2.0


-0.29 -0.74 0.83 0.21

02-kla 03-kla/kei 49-buc/col 62-lev/kos cont.


270


1-Ethenyl-2,4,6-trimethylbenzene (cont.) Table 3. Recommended values. T K 290.00 293.15 298.15


908.6 ± 1.3 906.0 ± 1.1 901.9 ± 1.3

1-Ethyl-4-(1-methylethenyl)benzene

[13045-22-2]

C11H14

MW = 146.23

459

C11H14

MW = 146.23

460


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

894.0 ± 2.0

59-her/kna

(1-Ethyl-1-propenyl)benzene

[4701-36-4]



287.15 294.15 293.15 1)


917.3 ± 2.0 908.0 ± 2.0 867.4 ± 20.0


1.50 -1.50 -43.00

03-kla-1 39-gui 60-vdo/kha1)



280.00 290.00 293.15 298.15


922.2 ± 1.8 913.2 ± 1.5 910.4 ± 1.5 905.9 ± 1.7


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 (1-Ethyl-2-propenyl)benzene

[19947-22-9]

271

C11H14

MW = 146.23

461

C11H14

MW = 146.23

462

C11H14

MW = 146.23

463

C11H14

MW = 146.23

464


296.15 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

845.8 ± 30.0 880.1 ± 0.6 880.1 ± 0.6

1883-daf-31) 52-ano-6 Recommended


1-Ethyl-4-(1-propenyl)benzene

[74532-89-1]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

907.2 ± 2.0

03-kun

(1-Methylenebutyl)benzene

[5676-32-4]


273.15 298.15 298.15 1)

ρexp ± 2σ est

Ref.

kg ⋅ m−3

913.8 ± 6.0 904.2 ± 2.0 904.2 ± 2.0

07-tif-21) 55-ove/tan Recommended


(1-Methyl-1-butenyl)benzene

[53172-84-2]


294.35 299.65 273.15 293.15 1)


kg ⋅ m

897.6 ± 2.0 895.0 ± 2.0 932.1 ± 10.0 899.8 ± 1.0


-1.11 1.06 14.31 0.01

02-kla-1 02-kla-2 07-tif-21) 64-iof/sto



272


(1-Methyl-1-butenyl)benzene (cont.) Table 3. Recommended values. T K 290.00 293.15 298.15


902.6 ± 1.3 899.8 ± 0.9 895.3 ± 1.0


[56253-64-6]

C11H14

MW = 146.23

465

C11H14

MW = 146.23

466


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

899.6 ± 2.0

64-iof/sto


[1608-28-2]


289.15 287.15 287.75 287.55 273.15 293.15 1)


kg ⋅ m

878.0 ± 20.0 887.0 ± 10.0 890.3 ± 10.0 887.0 ± 10.0 919.1 ± 2.0 904.8 ± 2.0


-29.15 -21.75 -17.97 -21.43 -0.85 0.85

1883-sch-21) 04-kun/sta1) 10-von/eis1) 10-von/eis1) 31-lev/dvo 63-pud/kon




922.5 ± 2.0 914.5 ± 1.5 906.5 ± 1.7 903.9 ± 1.9 899.9 ± 2.1


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 (3-Methyl-2-butenyl)benzene

[4489-84-3]

273

C11H14

MW = 146.23

467

C11H14

MW = 146.23

468

C11H14

MW = 146.23

469


291.45 288.15 288.15


891.0 ± 2.0 894.4 ± 2.0 895.0 ± 2.0


-0.49 -0.06 0.54

04-kla 06-kla-1 22-cla/kre


T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

901.8 ± 2.1 892.8 ± 1.4 890.0 ± 1.6 885.5 ± 2.0


[6683-51-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m

−3

885.5 ± 1.0

66-nik/vor

1-Methyl-4-(1-methylenepropyl)benzene [21758-18-9] Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 1.128. Coefficient ρ = A + BT A 1157.18 B -0.900 Table 2. Experimental values with uncertainties and deviation from calculated values. T K

295.65 298.15


892.6 ± 2.0 888.0 ± 1.5


1.50 -0.85

10-gri 48-bac/hel cont.


274


1-Methyl-4-(1-methylenepropyl)benzene (cont.) Table 3. Recommended values. T K 290.00 293.15 298.15


896.2 ± 1.7 893.3 ± 1.5 888.8 ± 1.5

(2-Methyl-1-methylenepropyl)benzene

[17498-71-4]

C11H14

MW = 146.23

470

C11H14

MW = 146.23

471

C11H14

MW = 146.23

472

C11H14

MW = 146.23

473


286.25 298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

899.1 ± 3.0 895.4 ± 2.0

03-kla-1 55-ove/tan

1-Pentenylbenzene

[826-18-6]

Table 1. Experimental values with uncertainties. T K 288.15 293.15 290.15 273.15 293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

892.0 ± 5.0 878.2 ± 5.0 892.4 ± 5.0 935.0 ± 5.0 874.0 ± 5.0

06-kla-1 18-von/koh 30-pre/dau 31-lev/dvo 57-tru/hol

2-Pentenylbenzene

[27911-12-2]


289.35 289.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.4 ± 3.0 883.7 ± 3.0

10-von/rot 06-kla-1

(E)-3-Pentenylbenzene

[16091-23-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

874.0 ± 2.0

43-arb/kuz-1


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 4-Pentenylbenzene

[1075-74-7]

275

C11H14

MW = 146.23

474

C12H16

MW = 160.26

475

C12H16

MW = 160.26

476

C12H16

MW = 160.26

477

C12H16

MW = 160.26

478

C12H16

MW = 160.26

479


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.9 ± 2.0

12-von/deu

1-(1-Butenyl)-2,4-dimethylbenzene

[500034-13-9]


292.15 291.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.7 ± 2.0 896.7 ± 2.0

02-kla 12-kun-1

1-(1-Butenyl)-3,4-dimethylbenzene

[142062-13-3]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

911.4 ± 2.0

12-kun-1

1-(1-Butenyl)-4-ethylbenzene

[500034-12-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

907.4 ± 2.0

12-kun-1

1-Butyl-4-ethenylbenzene

[26206-42-8]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

976.8 ± 0.7

53-ove/fra

1,4-Diethyl-2-ethenylbenzene

[2715-29-9]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

891.5 ± 2.0


03-kla/kei

276


(1,1-Dimethyl-3-butenyl)benzene

[66622-39-7]

C12H16

MW = 160.26

480

C12H16

MW = 160.26

481

C12H16

MW = 160.26

482


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.0 ± 2.0

48-col/gar


[61777-06-8]



273.15 287.85 293.15


kg ⋅ m

902.0 ± 2.0 892.1 ± 2.0 885.9 ± 2.0


-1.16 1.43 -0.27

35-fav/tik 35-fav/tik 35-fav/tik



905.8 ± 1.8 897.3 ± 1.2 888.8 ± 1.2 886.2 ± 1.4 881.9 ± 1.7


[20247-87-4]


288.15 289.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

894.8 ± 5.0 909.0 ± 6.0

04-kla 09-bod/tab-1


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 (1,3-Dimethyl-2-butenyl)benzene

[50704-01-3]

277

C12H16

MW = 160.26

483

C12H16

MW = 160.26

484

C12H16

MW = 160.26

485

C12H16

MW = 160.26

486


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.1 ± 2.0

04-kla


[500034-10-6]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.9 ± 2.0

13-ram


[500034-09-3]


288.15 293.15 293.15


902.2 ± 1.0 897.7 ± 1.0 897.7 ± 1.0


-0.00 -0.00 -0.00

22-cla/kre 39-cli 41-gib


T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

909.5 ± 1.0 900.5 ± 1.0 897.7 ± 1.0 893.2 ± 1.0

1-(1,1-Dimethylethyl)-3-ethenylbenzene

[19789-36-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

897.0 ± 1.5


46-mar/all

278


1,2-Dimethyl-4-(1-methyl-1-propenyl)benzene

[180963-06-8]

C12H16

MW = 160.26

487

C12H16

MW = 160.26

488

C12H16

MW = 160.26

489


289.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.0 ± 2.0

37-fav/zak


[500034-15-1]



298.15 273.15


kg ⋅ m

886.0 ± 3.0 916.0 ± 3.0


-2.50 2.50

36-har-2 36-har-2


270.00 280.00 290.00 293.15 298.15


916.7 ± 3.5 906.7 ± 3.5 896.7 ± 3.5 893.5 ± 3.5 888.5 ± 3.5


[500034-14-0]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

892.00 ± 2.0

30-tis


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 (1-Ethenylbutyl)benzene

[500036-33-9]

279

C12H16

MW = 160.26

490

C12H16

MW = 160.26

491

C12H16

MW = 160.26

492

C12H16

MW = 160.26

493

C12H16

MW = 160.26

494


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

876.9 ± 0.5

52-ano-6

1-Ethenyl-3-(1-methylpropyl)benzene

[500011-17-6]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.9 ± 0.7

46-mar/all

(2-Ethyl-1-butenyl)benzene

[33143-15-6]


291.65 291.15 291.15 291.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

903.8 ± 2.0 904.0 ± 1.0 903.8 ± 1.0 903.9 ± 1.0

04-kla-21) 10-von/eis 31-lev/tab Recommended


(1-Ethyl-1-methyl-2-propenyl)benzene

[51752-50-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

896.6 ± 0.4

52-ano-6


[104851-42-5]


cont.


280


(1-Ethyl-2-methyl-1-propenyl)benzene (cont.) Table 2. Experimental values with uncertainties and deviation from calculated values. T K

287.65 290.65


kg ⋅ m

891.3 ± 1.0 888.6 ± 1.0


0.00 0.00

04-kla-2 10-von/eis



898.2 ± 1.0 889.2 ± 1.0 886.3 ± 1.0 881.8 ± 1.0

1-Hexenylbenzene

[828-15-9]

C12H16

MW = 160.26

495

C12H16

MW = 160.26

496

C12H16

MW = 160.26

497

C12H16

MW = 160.26

498


298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

945.5 ± 2.0

27-mar/hag

2-Hexenylbenzene

[500034-08-2]


289.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

889.8 ± 2.0

07-kla-1

5-Hexenylbenzene

[1588-44-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.9 ± 2.0

12-von/deu

1-(1-Methylethenyl)-4-(1-methylethyl)benzene

[2388-14-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

887.0 ± 3.0

48-bac/hel


3.2 Alkenylbenzenes (CnH2n-8), C11 - C12 1-(1-Methylethenyl)-2,4,6trimethylbenzene

[14679-13-1]

281

C12H16

MW = 160.26

499

C12H16

MW = 160.26

500

C12H16

MW = 160.26

501

C12H16

MW = 160.26

502

C12H16

MW = 160.26

503

C12H16

MW = 160.26

504


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

909.6 ± 1.0

62-lev/kos

1-(1-Methylethyl)-4-(1-propenyl)benzene

[27319-06-8]


295.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

930.8 ± 2.0

03-kun

1-Methyl-4-(1-methyl-2-butenyl)benzene [14979-71-6] Table 1. Experimental value with uncertainty. T K

273.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.4 ± 1.0

66-yan/vdo

1-Methyl-4-(3-methyl-1-butenyl)benzene [32094-37-4] Table 1. Experimental value with uncertainty. T K

291.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

885.0 ± 2.0

04-kun/sta

1-Methyl-4-(1-methylene2-methylpropyl)benzene

[500034-11-7]


300.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.8 ± 2.0

10-gri

(2-Methyl-1-pentenyl)benzene

[123762-55-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

992.6 ± 2.0


31-lev/tab

282



[15314-17-7]

C12H16

MW = 160.26

505

[75593-28-1]

C12H16

MW = 160.26

506

[6683-49-4]

C12H16

MW = 160.26

507

C12H16

MW = 160.26

508

C12H16

MW = 160.26

509


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

914.6 ± 6.0 890.6 ± 6.0

04-kla/sau 10-von/eis

(3-Methyl-2-pentenyl)benzene Table 1. Experimental and recommended values with uncertainties. T K 291.15 291.15 291.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

900.4 ± 2.0 901.4 ± 2.0 900.9 ± 2.0

04-kla 06-kla-1 Recommended



ρexp ± 2σ est

Ref.

kg ⋅ m−3

880.7 ± 1.0

66-nik/vor

1-(1-Propenyl)-2,4,6-trimethylbenzene

[500034-16-2]


290.65 294.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

900.3 ± 2.0 898.8 ± 2.0

02-kla 04-kla-3

1-(2-Propenyl)-2,4,6-trimethylbenzene

[4810-05-3]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

898.9 ± 1.0

56-lib/pry



283

3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 1-(1-Butenyl)-4-(1-methylethyl)benzene

[500034-24-2]

C13H18

MW = 174.29

510

C13H18

MW = 174.29

511

C13H18

MW = 174.29

512

C13H18

MW = 174.29

513

C13H18

MW = 174.29

514


287.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.2 ± 2.0

12-kun-1

1-(1-Butenyl)-2,4,6-trimethylbenzene

[500034-27-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.3 ± 2.0

02-kla

(1,1-Diethyl-2-propenyl)benzene

[19781-34-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

903.0 ± 0.6

52-ano-6

1-(1,3-Dimethyl-3-butenyl)4-methylbenzene

[500011-00-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.5 ± 0.7

50-pin/str-1

[1-(1,1-Dimethylethyl)-1-propenyl]benzene

[500034-23-1]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

906.4 ± 2.0


13-ram

284


1,2-Dimethyl-4-(1-methyl-2-butenyl)benzene

[14979-72-7]

C13H18

MW = 174.29

515

C13H18

MW = 174.29

516

C13H18

MW = 174.29

517

C13H18

MW = 174.29

518

C13H18

MW = 174.29

519

C13H18

MW = 174.29

520


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

892.5 ± 1.0

66-yan/vdo


[14979-73-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.6 ± 1.0

66-yan/vdo


[14803-53-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.2 ± 1.0

66-yan/vdo

(1,3-Dimethyl-1-pentenyl)benzene

[500034-20-8]


298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

883.9 ± 2.0

30-dav/dix

(1,4-Dimethyl-1-pentenyl)benzene

[500034-21-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

881.4 ± 2.0

02-kla-1

(1-Ethyl-2-methyl-2-butenyl)benzene

[500034-22-0]

Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 0.270. Coefficient ρ = A + BT 1135.01 A -0.850 B cont. Landolt-Börnstein New Series IV/8E


285


293.15 286.75


kg ⋅ m

886.1 ± 2.0 891.0 ± 2.0


0.27 -0.27

36-fav/tik 36-fav/tik


T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

897.0 ± 2.0 888.5 ± 2.0 885.8 ± 2.0 881.6 ± 2.0

(2-Methyl-1-hexenyl)benzene

[500034-17-3]

C13H18

MW = 174.29

521

C13H18

MW = 174.29

522

C13H18

MW = 174.29

523

C13H18

MW = 174.29

524


290.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

897.4 ± 2.0

21-rei/van

(2-Methyl-3-hexenyl)benzene

[500034-18-4]


294.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.0 ± 2.0

43-arb/kuz-1

1-Methyl-2-(1-methylethenyl)4-(1-methylethyl)benzene

[38031-45-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

885.6 ± 1.0

48-pin/wei

1-Methyl-4-(1-methylethyl)3-(1-propenyl)benzene

[500034-25-3]


291.15 292.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.9 ± 2.0 889.9 ± 2.0


03-kun 12-kun

286


1-Methyl-4-(4-methyl-4-pentenyl)benzene

[74672-08-5]

C13H18

MW = 174.29

525

C13H18

MW = 174.29

526

C13H18

MW = 174.29

527

C13H18

MW = 174.29

528

C13H18

MW = 174.29

529

C13H18

MW = 174.29

530


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

878.5 ± 1.0

50-pin/str

1-(1-Methyl-1-propenyl)-2,3,5trimethylbenzene

[500034-28-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

899.2 ± 2.0

02-kla-1


[500034-26-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.0 ± 2.0

04-kla-3


[500036-29-3]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

863.0 ± 2.0

55-kor/mat


[500034-19-5]


289.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.7 ± 2.0

04-kla-2

(1-Propyl-1-butenyl)benzene

[55878-04-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

885.5 ± 2.0

12-mur/amo


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 (1,1,3-Trimethyl-2-butenyl)benzene

[92104-77-3]

287

C13H18

MW = 174.29

531

C14H20

MW = 188.31

532

C14H20

MW = 188.31

533

C14H20

MW = 188.31

534

C14H20

MW = 188.31

535

C14H20

MW = 188.31

536


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

876.0 ± 1.0

48-lev/fai

1-(1-Butenyl)-5-methyl-2(1-methylethyl)benzene

[500034-31-1]


287.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

935.3 ± 2.0

12-kun-1

(2-Butyl-3-butenyl)benzene

[500036-39-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.9 ± 1.0

50-zie/eim

1,3-Dimethyl-5-(1,1-dimethylethyl)2-ethenylbenzene

[500036-23-7]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

893.2 ± 1.0

54-sch-1

1,3-Dimethyl-4-(2-ethyl-1-butenyl)benzene

[500034-30-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

927.0 ± 3.0 914.0 ± 3.0 887.0 ± 3.0

36-har-2 36-har-2 36-har-2

2-(1,1-Dimethylethyl)-3-methyl4-(1-methylethenyl)benzene

[500036-31-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

882.5 ± 1.0


55-sch-1

288


(1-Ethenylhexyl)benzene

[500036-30-6]

C14H20

MW = 188.31

537

C14H20

MW = 188.31

538

C14H20

MW = 188.31

539

C14H20

MW = 188.31

540

C14H20

MW = 188.31

541

C 14H20

MW = 188.31

542


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

866.7 ± 1.0

56-mix/you

1-Ethenyl-4-hexylbenzene

[10074-43-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

874.2 ± 0.7

53-ove/fra

1-(1-Methyl-2-butenyl)-2,4,6trimethylbenzene

[14979-74-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

899.6 ± 1.0

66-yan/vdo

(1-Methyl-1-heptenyl)benzene

[14673-22-4]


290.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

879.9 ± 2.0

39-pet/bai

[2-Methyl-1-(1-methylethyl)2-propenyl)]benzene

[500034-29-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.2 ± 2.0

34-zie/der

1-Octenylbenzene

[29518-72-7]


290.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

906.3 ± 4.0

21-rei/van


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 2-Octenylbenzene

[64275-34-9]

289

C14H20

MW = 188.31

543

C14H20

MW = 188.31

544

C14H20

MW = 188.31

545

C14H20

MW = 188.31

546

C15H22

MW = 202.34

547

C15H22

MW = 202.34

548


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

870.4 ± 1.0

50-zie/eim

7-Octenylbenzene

[35008-87-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

879.2 ± 2.0

12-von/deu

1-(1-Pentenyl)-2,4,6-trimethylbenzene

[500034-32-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.1 ± 2.0

04-kla-3

(1,1,4-Trimethyl-4-pentenyl)benzene

[6683-45-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

887.1 ± 1.0

66-nik/vor

3,4-bis(1-Methylethyl)-1(1-methylethenyl)benzene

[500034-02-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

896.3 ± 1.0

59-vol/zav

(1-Butyl-1-pentenyl)benzene

[42044-74-6]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.7 ± 2.0


39-pet/bai

290


(1,3-Dimethyl-1-ethyl-2-pentenyl)benzene

[500011-26-7]

C15H22

MW = 202.34

549

C15H22

MW = 202.34

550

C15H22

MW = 202.34

551

C15H22

MW = 202.34

552

C15H22

MW = 202.34

553

C 16H24

MW = 216.37

554


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

924.4 ± 1.0

52-lev/shu-2

1-(1-Methlethyl)-4-(3-methyl1-pentenyl)benzene

[500034-65-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.1 ± 2.0

05-kla/sau

[3-Methyl-1-(2-methylpropyl)1-butenyl)]benzene

[500034-64-0]


289.65 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

873.1 ± 4.0 905.9 ± 3.0

07-sho 60-lap/ryb

1-Methyl-4-(1,1,4-trimethyl-4-pentenyl)- [6683-47-2] benzene Table 1. Experimental value with uncertainty. T K 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.8 ± 1.0

66-nik/vor

(1-Propyl-1-hexenyl)benzene

[500034-33-3]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

886.7 ± 2.0

39-pet/bai

1-Decenylbenzene

[33206-62-1]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

872.6 ± 1.0

47-tuo/guy


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 (3,7-Dimethyl-7-ocetenyl)benzene

[500034-66-2]

291

C16H24

MW = 216.37

555

C16H24

MW = 216.37

556

C16H24

MW = 216.37

557

C16H24

MW = 216.37

558


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

884.4 ± 2.0

06-kla/sau

1,3-Dimethyl-4-(3-propyl-1-pentenyl)benzene

[500035-57-4]


292.15 273.15



915.0 ± 2.0 928.0 ± 2.0

1.57 -1.58

36-har-2 36-har-2


T K 270.00 280.00 290.00 293.15 298.15

kg ⋅ m−3

932.3 ± 2.5 923.8 ± 2.5 915.3 ± 2.5 912.6 ± 2.5 908.3 ± 2.5

1-Ethenyl-4-octylbenzene

[46745-66-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

871.4 ± 0.7

53-ove/fra

2-(1-Heptenyl)-1,3,5-trimethylbenzene

[500034-67-3]


290.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

884.4 ± 2.0


04-kla-3

292


1-Ethenyl-4-nonylbenzene

[46843-32-7]

C17H26

MW = 230.39

559

C17H26

MW = 230.39

560

C18H28

MW = 244.42

561

C18H28

MW = 244.42

562


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.2 ± 1.0

53-ove/fra

(4-Methyl-1-pentyl-1-pentenyl)benzene

[500034-68-4]


299.15 273.15


866.6 ± 2.0 885.9 ± 2.0


0.75 -0.75

07-sho 07-sho


270.00 280.00 290.00 293.15 298.15


889.2 ± 2.0 881.2 ± 2.0 873.2 ± 2.0 870.7 ± 2.0 866.7 ± 2.0

1-(2-Butyl-1-hexenyl)2,4-dimethylbenzene

[500034-69-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.0 ± 2.0

36-har-2

1-Ethenyl-4-decylbenzene

[46926-59-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

870.6 ± 1.0

53-ove/fra


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 (1-Hexyl-1-heptenyl)benzene

[900001-32-3]

C19H30

293 MW = 258.45

563


Coefficient A B C


273.15 293.15 310.95


kg ⋅ m

884.80 ± 0.50 870.50 ± 0.50 857.80 ± 0.50


0.02 -0.03 -0.03

68-ano-1( ) 68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


kg ⋅ m

842.00 ± 0.50 814.00 ± 0.50


0.05 -0.01

68-ano-1( ) 68-ano-1( )

Further references: [39-pet/bai].


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 887.01 ± 0.68 879.90 ± 0.57 872.78 ± 0.53 870.53 ± 0.53 866.97 ± 0.53

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 865.65 ± 0.53 858.51 ± 0.55 851.36 ± 0.56 844.20 ± 0.57 837.04 ± 0.56

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 829.86 ± 0.56 822.68 ± 0.58 815.49 ± 0.64 808.29 ± 0.77

cont.


294


ρ

ρ

(1-Hexyl-1-heptenyl)benzene (cont.)


(1-Pentyl-1-octenyl)benzene

[500035-58-5]

C19H30

MW = 258.45

564

C22H36

MW = 300.53

565


291.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

876.2 ± 2.0

39-pet/bai

2-(1-Decenyl)-1,3-dimethyl-5(1,1-dimethylethyl)benzene

[500036-24-8]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

873.1 ± 1.0

54-sch-1


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 (4-Hexyl-3-decenyl)benzene

[500036-38-4]

295

C22H36

MW = 300.53

566

C24H40

MW = 328.58

567

C27H46

MW = 370.66

568


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

876.7 ± 2.0

49-pet/kap

1,4-Dimethyl-2-(1-hexadecenyl)benzene

[500034-70-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

868.0 ± 2.0

02-kla

(1-Decyl-1-undecenyl)benzene

[6703-78-2]


Coefficient A B C


293.15 310.95 333.15 372.05 273.15


kg ⋅ m

863.60 ± 0.50 852.00 ± 0.50 837.60 ± 0.50 811.30 ± 0.60 877.00 ± 0.50


-0.19 -0.08 0.22 -0.08 0.13

T K

41-cos/sut-1(∆) 41-cos/sut-1(∆) 41-cos/sut-1(∆) 41-cos/sut-1(∆) 42-sch/cos-1( )

273.15 293.15 310.95 333.15 372.05


kg ⋅ m

877.00 ± 0.50 863.60 ± 0.50 852.00 ± 0.50 837.60 ± 0.50 811.30 ± 0.60


0.13 -0.19 -0.08 0.22 -0.08

{) {) {) {) {)

68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1( 68-ano-1(

cont.


296


ρ

ρ

(1-Decyl-1-undecenyl)benzene (cont.)



270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 878.92 ± 0.60 872.40 ± 0.54 865.86 ± 0.52 863.79 ± 0.52 860.51 ± 0.52

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 859.29 ± 0.52 852.71 ± 0.53 846.10 ± 0.53 839.47 ± 0.53 832.82 ± 0.54

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 826.16 ± 0.55 819.47 ± 0.60 812.76 ± 0.67 806.03 ± 0.80


3.3 Alkenylbenzenes (CnH2n-8), C13 - C32 (1-Butyl-1-octadecenyl)benzene

[500034-71-9]

297

C28H48

MW = 384.69

569

C29H50

MW = 398.72

570


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

867.5 ± 2.0

36-mik

1-(1-Decyl-1-undecenyl)-2,5dimethylbenzene

[500034-57-1]


Coefficient A B


273.15 293.15 310.95


kg ⋅ m

874.50 ± 0.50 861.40 ± 0.50 849.50 ± 0.50


-0.02 0.07 -0.09

68-ano-1( ) 68-ano-1( ) 68-ano-1( )

T K

333.15 372.05


kg ⋅ m

835.00 ± 0.50 809.30 ± 0.60


0.04 -0.01

68-ano-1( ) 68-ano-1( )


270.00 280.00 290.00 293.15 298.15

ρ ± σ fit kg ⋅ m−3 876.59 ± 0.60 870.00 ± 0.57 863.41 ± 0.54 861.33 ± 0.53 858.03 ± 0.52

T K

300.00 310.00 320.00 330.00 340.00

ρ ± σ fit kg ⋅ m−3 856.81 ± 0.51 850.22 ± 0.50 843.63 ± 0.50 837.03 ± 0.51 830.44 ± 0.53

T K

350.00 360.00 370.00 380.00

ρ ± σ fit kg ⋅ m−3 823.85 ± 0.58 817.25 ± 0.63 810.66 ± 0.70 804.07 ± 0.79

cont.


298


ρ

ρ

1-(1-Decyl-1-undecenyl)-2,5-dimethylbenzene (cont.)


(1-Butyl-1-docosenyl)benzene

[500034-72-0]

C32H56

MW = 440.80

571


ρexp ± 2σ est

Ref.

kg ⋅ m−3

858.0 ± 2.0

36-mik


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10)

299

4 Tabulated Data on Density - Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) Ethynylbenzene

[536-74-3]

C8H6

MW = 102.14

572


Coefficient A B


273.15 414.75 293.15 295.15 293.15 293.15 296.25


−3

946.56 ± 2.00 808.30 ± 2.00 929.50 ± 1.50 927.00 ± 1.00 930.00 ± 2.00 929.50 ± 2.00 926.50 ± 2.00


-1.87 -1.46 0.65 0.11 1.15 0.65 0.69

1883-weg(✕ ) 1883-weg(✕ ) 1886-bru(✕ ) 1899-nef(∆) 25-bou(✕ ) 29-von/ber(✕ ) 29-von/ber(✕ )

T K

295.15 293.15 298.15 293.15 293.15 303.15


−3

930.00 ± 1.00 928.00 ± 1.00 924.60 ± 1.00 928.10 ± 0.60 927.50 ± 0.60 918.30 ± 0.60


3.11 -0.85 0.65 -0.75 -1.35 -0.75

31-tru(◆) 34-lov/cam(✕ ) 34-vau(∇) 39-cam/oco( ) 50-wei/del( ) 50-wei/del( )

{

Further references: [06-mou, 31-kre/per, 33-hof/lan].


270.00 280.00 290.00 293.15 298.15 300.00

ρ ± σ fit kg ⋅ m−3 951.52 ± 2.0 941.72 ± 1.9 931.93 ± 1.5 928.85 ± 1.5 923.95 ± 1.4 922.14 ± 1.4

T K

310.00 320.00 330.00 340.00 350.00 360.00

ρ ± σ fit kg ⋅ m−3 912.34 ± 1.5 902.55 ± 1.5 892.76 ± 1.6 882.96 ± 1.6 873.17 ± 1.7 863.38 ± 1.7

T K

370.00 380.00 390.00 400.00 410.00 420.00

ρ ± σ fit kg ⋅ m−3 853.58 ± 1.7 843.79 ± 1.7 834.00 ± 1.7 824.20 ± 1.7 814.41 ± 2.0 804.62 ± 3.7 cont.


300


ρ

ρ

Ethynylbenzene (cont.)


1-Ethynyl-4-methylbenzene

[766-97-2]

C9H8

MW = 116.16

573


ρexp ± 2σ est

Ref.

kg ⋅ m−3

912.0 ± 3.0 903.0 ± 8.0 915.9 ± 2.0 915.9 ± 2.0

00-kun/got1) 13-kun1) 34-ott Recommended



4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) 1-Propynylbenzene

[673-32-5]

301

C9H8

MW = 116.16

574

C9H8

MW = 116.16

575


288.15 290.15 293.15 289.15 273.15 293.15 1)


942.0 ± 2.0 944.0 ± 4.0 937.0 ± 2.0 939.3 ± 3.0 954.5 ± 3.0 938.8 ± 0.6


-1.06 2.74 -1.56 -2.86 -2.06 0.24

28-bou-1 31-tru1) 34-lov/cam 38-gin1) 38-gin1) 39-cam/oco



T K 280.00 290.00 293.15 298.15

kg ⋅ m−3

950.4 ± 1.0 941.4 ± 1.0 938.6 ± 1.0 934.1 ± 1.0

2-Propynylbenzene

[500019-32-9]


288.15 293.15 301.15 293.15 293.15


kg ⋅ m

938.0 ± 3.0 932.0 ± 5.0 931.0 ± 2.0 936.0 ± 2.0 937.4 ± 2.0


-3.70 -5.20 1.00 -1.20 0.20

27-bou-31) 28-bou-11) 28-gri/lap 31-bou 34-lov/cam cont.


302


2-Propynylbenzene (cont.) Table 3. Recommended values. T K 290.00 293.15 298.15 310.00


940.0 ± 2.0 937.2 ± 1.6 932.7 ± 1.6 922.0 ± 2.0

1,2-Butadienylbenzene

[2327-98-2]

C10H10

MW = 130.19

576

C10H10

MW = 130.19

577


ρexp ± 2σ est

Ref.

kg ⋅ m−3

924.0 ± 2.0

39-acr/laf

1,3-Butadienylbenzene

[1515-78-2]

Table 1. Fit with estimated B coefficient for 6 accepted points. Deviation σw = 0.634 . Coefficient ρ = A + BT 1191.07 A -0.900 B Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 289.15 288.05 293.15 293.15 293.15


kg ⋅ m

928.6 ± 2.0 930.9 ± 1.0 933.3 ± 2.0 926.0 ± 2.0 927.0 ± 1.0 927.0 ± 1.0


1.37 0.07 1.48 -1.23 -0.23 -0.23

02-lie/rii 11-von/eis 11-von/eis 34-lov/cam 56-dom-1 57-kup/dom



939.1 ± 1.3 930.1 ± 0.9 927.2 ± 0.9 922.7 ± 1.1


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) 2,3-Butadienylbenzene

[500034-77-5]

303

C10H10

MW = 130.19

578

C 10H10

MW = 130.19

579

C10H10

MW = 130.19

580

[16520-62-0]

C10H10

MW = 130.19

581

[91-14-5]

C10H10

MW = 130.19

582


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

922.0 ± 2.0

33-car/ber

1-Butynylbenzene

[622-76-4]


294.15 291.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

923.0 ± 3.0 915.0 ± 6.0 921.0 ± 2.0

1876-mor 31-tru 38-joh/sch

2-Butynylbenzene

[33598-22-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

926.1 ± 2.0

41-lev/shc

3-Butynylbenzene Table 1. Experimental and recommended values with uncertainties. T K 273.15 273.15 273.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

939.1 ± 2.0 937.5 ± 2.0 938.3 ± 2.10

11-and 13-and Recommended

1,2-Diethenylbenzene


ρexp ± 2σ est

Ref.

kg ⋅ m−3

934.0 ± 2.0 932.5 ± 2.0 928.0 ± 5.0


34-del 36-fri/bes 55-nau

304



[108-57-6]

C10H10

MW = 130.19

583

C10H10

MW = 130.19

584

C10H10

MW = 130.19

585

Table 1. Fit with estimated B coefficient for 3 accepted points. Deviation σw = 0.426 . Coefficient ρ = A + BT A 1193.35 B -0.900


295.15 293.15 298.15


−3

926.0 ± 2.0 929.4 ± 0.6 925.3 ± 0.6


-1.72 -0.15 0.30

34-del 49-dre/mar 49-dre/mar



932.4 ± 0.7 929.5 ± 0.5 925.0 ± 0.5


[105-06-6]


313.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

913.0 ± 2.0

34-del

2,4-Dimethyl-1-ethynylbenzene

[500034-74-2]


ρexp ± 2σ est

Ref.

kg ⋅ m

−3

925.8 ± 2.0

26-gri/per


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) 1-Ethyl-4-ethynylbenzene

[500034-73-1]

305

C10H10

MW = 130.19

586

C10H10

MW = 130.19

587

C11H12

MW = 144.22

588

C11H12

MW = 144.22

589

C11H12

MW = 144.22

590

C11H12

MW = 144.22

591


291.15 289.15 298.15 298.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

908.6 ± 6.0 912.8 ± 4.0 908.8 ± 2.0 908.8 ± 2.0

13-kun1) 13-kun1) 34-ott Recommended


(1-Methylene-2-propenyl)benzene

[2288-18-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

922.6 ± 2.0

33-car/ber

2-Ethynyl-1,3,5-trimethylbenzene

[769-26-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

900.4 ± 2.0 918.5 ± 2.0

13-kun 34-vau/nie

1-(1,3-Butadienyl)-2-methybenzene

[57132-26-0]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

925.6 ± 1.0

56-dom-1

1-(1,3-Butadienyl)-3-methylbenzene

[62982-07-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

921.2 ± 1.0

56-dom-1

1-(1,3-Butadienyl)-4-methyl-benzene

[33356-85-3]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

907.9 ± 2.0


56-dom-1

306


(1-Ethenyl-1-propenyl)benzene

[500034-78-6]

C11H12

MW = 144.22

592

C11H12

MW = 144.22

593

C11H12

MW = 144.22

594

C11H12

MW = 144.22

595

C11H12

MW = 144.22

596

C11H12

MW = 144.22

597


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

915.0 ± 2.0

33-kuh/hof

1-Ethynyl-4-(1-methylethyl)benzene

[23152-99-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

903.7 ± 2.0

34-ott

1-Ethynyl-2,4,6-trimethylbenzene

[500034-76-4]


294.15 298.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

900.4 ± 2.0 918.5 ± 2.0

13-kun 34-vau/nie

(3-Methyl-1,3-butadienyl)benzene

[21919-51-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

942.3 ± 10.0 931.0 ± 2.0 931.0 ± 2.0

02-kla-41) 56-dom-1 Recommended


1,3-Pentadienylbenzene

[1608-27-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

932.5 ± 3.0

11-von/eis


[13633-08-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

913.7 ± 1.0

66-che/kor


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) 2,4-Pentadienylbenzene

[1007-52-9]

307

C11H12

MW = 144.22

598

C11H12

MW = 144.22

599

C 11H12

MW = 144.22

600

C12H14

MW = 158.24

601

C12H14

MW = 158.24

602

C 12H14

MW = 158.24

603


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

931.2 ± 1.0

56-dom-1


[500034-79-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

916.9 ± 2.0

33-car/ber

1-Pentynylbenzene

[4250-81-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

911.0 ± 2.0

31-tru

(E,Z)-1,2-Bis(1-propenyl)benzene

[27304-33-2]


294.15 293.65

ρexp ± 2σ est

Ref.

kg ⋅ m−3

926.3 ± 3.0 918.5 ± 3.0

34-del 34-del

(E,Z)-1,3-Bis(1-propenyl)benzene

[500034-92-4]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

922.1 ± 2.0

34-del

1,4-Bis(2-propenyl)benzene

[2664-28-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

915.0 ± 3.0 916.0 ± 3.0


29-que-1 40-lev/kar

308


(1,3-Dimethyl-1,2-butadienyl)benzene

[17530-18-6]

C12H14

MW = 158.24

604

[30504-95-1]

C12H14

MW = 158.24

605

C12H14

MW = 158.24

606

C 12H14

MW = 158.24

607

C 12H14

MW = 158.24

608


292.95 293.15 293.15 273.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

927.7 ± 2.0 920.0 ± 4.0 930.2 ± 2.0 946.0 ± 2.0 923.5 ± 3.0 927.0 ± 5.0

04-kla 34-lov/cam 47-zak 47-zak 54-pan/ide Recommended

(2,3-Dimethyl-1,3-butadienyl)benzene


ρexp ± 2σ est

Ref.

kg ⋅ m−3

937.7 ± 1.0

56-dom-1

1,2-Dipropenylbenzene

[500033-94-3]


293.65 294.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

918.5 ± 3.0 926.3 ± 3.0

34-del 34-del

1,3-Dipropenylbenzene

[500033-93-1]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

922.1 ± 2.0

34-del

(2-Ethyl-1,3-butadienyl)benzene

[500034-82-2]


292.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

928.8 ± 2.0

39-deu-1


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) 1-Ethynyl-2,3,4,6-tetramethylbenzene

[500034-75-3]

309

C12H14

MW = 158.24

609

C12H14

MW = 158.24

610

C12H14

MW = 158.24

611

C12H14

MW = 158.24

612


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

946.3 ± 2.0

43-ada/the

1,2-Hexadienylbenzene

[13633-27-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

911.8 ± 1.0

66-che/bal


[41635-77-2]

Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 0.400 . Coefficient ρ = A + BT 1182.34 A -0.900 B Table 2. Experimental values with uncertainties. T K

293.15 285.15


918.9 ± 2.0 925.3 ± 2.0


0.40 -0.40

07-kla-1 07-kla-1


T K

kg ⋅ m−3

930.3 ± 2.0 921.3 ± 2.0 918.5 ± 2.0 914.0 ± 2.0

280.00 290.00 293.15 298.15


[13632-89-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

914.7 ± 1.0


66-che/kor

310



[13633-29-9]

C12H14

MW = 158.24

613

C12H14

MW = 158.24

614

C12H14

MW = 158.24

615

[1009-08-1]

C12H14

MW = 158.24

616

[500025-39-8]

C12H14

MW = 158.24

617

C12H14

MW = 158.24

618


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

910.8 ± 1.0

66-che/bal


[500034-80-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

930.4 ± 2.0

35-coh

1-Hexynylbenzene

[1129-65-3]


290.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

899.0 ± 2.0 902.4 ± 2.0

31-tru 38-joh/sch

(3-Methyl-1-methylene-2-butenyl)benzene Table 1. Experimental value with uncertainty. T K

293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

923.5 ± 2.0

34-rav

(2-Methyl-1,3-pentadienyl)benzene


298.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

898.6 ± 1.0

12-bje

(3-Methyl-1,3-pentadienyl)benzene

[57007-36-0]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

952.3 ± 6.0 959.3 ± 6.0 946.6 ± 2.0 946.6 ± 2.0

02-kla-41) 06-kla-11) 56-dom-1 Recommended



4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) (4-Methyl-1,3-pentadienyl)benzene

[500034-81-1]

311

C12H14

MW = 158.24

619

C12H14

MW = 158.24

620

C13H16

MW = 172.27

621

C13H16

MW = 172.27

622

C13H16

MW = 172.27

623

C13H16

MW = 172.27

624


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

951.2 ± 2.0

11-von/eis

1-(1-Propenyl)-4-(2-propenyl)benzene

[500034-93-5]


284.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

918.0 ± 3.0 916.0 ± 3.0

29-que-1 40-lev/kar

(2,4-Dimethyl-1,3-pentadienyl)benzene

[24107-64-0]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

910.9 ± 1.0

69-sta/gan

(1,2-Heptadienyl)benzene

[13633-28-8]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

912.5 ± 1.0

66-che/bal

(3,4-Heptadienyl)benzene

[13633-30-2]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

909.7 ± 1.0

66-che/bal

1-(1,2-Hexadienyl)-4-methylbenzene

[30011-67-7]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

898.1 ± 1.0


70-che/bal-1

312



[18550-72-6]

C13H16

MW = 172.27

625

C13H16

MW = 172.27

626

C13H16

MW = 172.27

627

C13H16

MW = 172.27

628

C13H16

MW = 172.27

629

C13H16

MW = 172.27

630


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

916.9 ± 1.0

68-che/bal


[13633-09-5]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

916.5 ± 1.0

66-che/kor


[18335-43-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

916.4 ± 1.0

68-che/bal

(3-Methyl-3,5-hexadienyl)benzene

[500034-84-4]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

915.2 ± 2.0

35-coh


[27694-91-3]


293.15

ρexp ± 2σ est

Ref.

kg ⋅ m−3

893.1 ± 1.0

69-che/pis


[17697-67-5]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

924.8 ± 2.0

07-kla-1


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) (1-Methylene-2-hexenyl)benzene

[500034-83-3]

313

C13H16

MW = 172.27

631

C14H18

MW = 186.30

632

C14H18

MW = 186.30

633

C14H18

MW = 186.30

634

C14H18

MW = 186.30

635

C14H18

MW = 186.30

636


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

938.4 ± 5.0 956.5 ± 4.0

24-gri/dub 46-esa/mol

1-(2,4-Dimethyl-1,3-pentadienyl)-3methylbenzene

[24107-66-2]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

922.0 ± 1.0

69-sta/gan

1-(2,4-Dimethyl-1,3-pentadienyl)-4methylbenzene

[24107-65-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

924.5 ± 1.0

69-sta/gan

2-Ethyl-1,3-hexadienylbenzene

[107517-87-3]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

924.0 ± 2.0

57-jac

1-(1,2-Heptadienyl)-4-methylbenzene

[30011-68-8]


ρexp ± 2σ est

Ref.

kg ⋅ m−3

897.6 ± 1.0

70-che/bal-1

(6-Methyl-1,3-heptadienyl)benzene

[500034-85-5]


288.05

ρexp ± 2σ est

Ref.

kg ⋅ m−3

948.6 ± 2.0


11-von/eis

314


1-(5-Methyl-1,2-hexadienyl)-4methylbenzene

[30011-69-9]

C14H18

MW = 186.30

637

C14H18

MW = 186.30

638

C15H20

MW = 200.32

639

C15H20

MW = 200.32

640

C15H20

MW = 200.32

641

C15H20

MW =200.32

642


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

891.9 ± 1.0

70-che/bal-1

1,2-Octadienylbenzene

[27694-86-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.0 ± 1.0

69-che/pis

(3-Ethyl-1,3-heptadienyl)benzene

[100950-89-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

906.0 ± 2.0

57-jac

1-Methyl-4-(1,2-octadienyl)benzene

[30011-70-2]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

888.5 ± 1.0

70-che/bal-1

1,2-Nonadienylbenzene

[27694-87-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.2 ± 1.0

69-che/pis

3,7-Nonadienylbenzene

[500034-86-6]


294.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

887.0 ± 2.0

43-arb/kuz-1


4 Alkynylbenzenes, Alkadienylbenzenes and Dialkenylbenzenes (CnH2n-10) (1,3,4,4-Tetramethyl-1,2pentadienyl)benzene

[111679-81-3]

315

C15H20

MW = 200.32

643

C16H22

MW = 214.35

644

C16H22

MW = 214.35

645

C16H22

MW = 214.35

646


293.15 273.15


kg ⋅ m

910.0 ± 2.0 926.5 ± 2.0


0.25 -0.25

52-zak/sap 52-zak/sap


T K

kg ⋅ m−3

929.4 ± 1.6 920.9 ± 1.1 912.4 ± 0.9 909.8 ± 1.3 905.5 ± 1.8

270.00 280.00 290.00 293.15 298.15

1,2-Decadienylbenzene

[27694-88-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

894.8 ± 1.0

69-che/pis

(3,7-Dimethyl-1,6-octadienyl)benzene

[500034-87-7]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

895.7 ± 2.0

14-rup

(3,7-Dimethyl-1,7-octadienyl)benzene

[500034-88-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

894.7 ± 2.0


06-kla/sau

316


[1-(1,1-Dimethylethyl)-4,4-dimethyl-1,2- [500034-90-2] pentadienyl]benzene

C17H24

MW = 228.38

647

C17H24

MW = 228.38

648

C17H24

MW = 228.38

649

C17H24

MW = 228.38

650

C18H26

MW = 242.40

651


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

880.8 ± 2.0

35-for/tho

(4,8-Dimethyl-1,7-nonadienyl)benzene

[500034-89-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

889.4 ± 2.0

14-rup

1-Ethyl-4-(1-methylene-3,4,4-trimethyl2-pentenyl)benzene

[101600-27-5]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

896.4 ± 1.0

59-esa

1,2-Undecadienylbenzene

[27694-89-9]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

890.1 ± 1.0

69-che/pis

(5,9-Dimethyl-2,8-decadienyl)benzene

[500034-91-3]


293.15 293.15 293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

885.2 ± 2.0 885.1 ± 2.0 885.2 ± 2.0

14-rup 14-rup Recommended


5 Unsaturated Alkylbenzenes, (CnH2n-12)

317

5 Tabulated Data on Density - Unsaturated Alkylbenzenes (CnH2n-12) 1-Buten-3-ynylbenzene

[5622-76-4]

C10H8

MW = 128.17

652

C10H8

MW = 128.17

653

C11H10

MW = 142.20

654


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

935.6 ± 2.0

56-dom-1

3-Buten-1-ynylbenzene

[13633-26-6]

Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 1.400 . Coefficient ρ = A + BT A 1156.92 B -0.800

Table 2. Experimental values with uncertainties and deviation from calculated values. ρexp − ρcalc Ref. ρexp ± 2σ est T −3 kg ⋅ m−3 K kg ⋅ m 293.15 273.15

923.8 ± 2.0 937.0 ± 2.0

1.40 -1.40

54-ven/ser 54-ven/ser


T K

kg ⋅ m−3

940.9 ± 1.9 932.9 ± 1.4 924.9 ± 1.6 922.4 ± 1.7 918.4 ± 2.1

270.00 280.00 290.00 293.15 298.15

(3-Methyl-3-buten-1-ynyl)benzene

[500036-32-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

924.7 ± 1.0


57-fav/pav

318


4-Penten-1-ynylbenzene

[500033-96-5]

C11H10

MW = 142.20

655

C12H12

MW = 156.23

656

C12H12

MW = 156.23

657

C12H12

MW = 156.23

658

C12H12

MW = 156.23

659


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

939.0 ± 4.0 947.0 ± 2.0

31-gri/lap 59-gro

1,3,5-Hexatrienylbenzene

[54826-11-8]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

965.8 ± 2.0

54-naz/kak-3

1-Hexen-4-ynylbenzene

[186494-65-5]


299.65 293.15 293.15 1)

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

945.0 ± 2.0 973.5 ± 15.0 945.0 ± 2.0

54-cym/dav 54-har1) Recommended


5-Hexen-1-ynylbenzene

[16664-52-1]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

940.0 ± 2.0

28-gri/lap-1

(3-Methyl-3-buten-1-ynyl)benzene

[500034-98-0]


cont.



319


293.15 273.15 286.15 273.15 286.15


kg ⋅ m

928.9 ± 2.0 946.0 ± 2.0 930.0 ± 3.0 945.2 ± 2.0 930.1 ± 3.0


0.87 -0.03 -4.33 -0.83 -4.23

05-bor 05-bor 06-bra1) 06-bra 06-mou1)


T K 270.00 280.00 290.00 293.15 298.15

kg ⋅ m−3

948.9 ± 1.2 939.9 ± 1.1 930.9 ± 1.2 928.0 ± 1.5 923.5 ± 2.0

1,2,4-Triethenylbenzene

[7641-80-7]

C12H12

MW = 156.23

660

C13H14

MW = 170.25

661

C13H14

MW = 170.25

662


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

936.6 ± 1.0

66-mak/rei

(5-Methyl-2,3,5-hexatrienyl)benzene

[13633-14-2]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

940.1 ± 1.0

66-che/bal-1

(3-Methyl-3-hexen-1-ynyl)benzene

[500035-69-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

913.9 ± 2.0


39-mal

320


1-Methyl-2-(5-methyl-2,3,5hexatrienyl)benzene

[13633-15-3]

C14H16

MW = 184.28

663

C14H16

MW = 184.28

664

C15H18

MW = 198.31

665

C16H20

MW = 212.33

666


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

989.4 ± 2.0

66-che/bal-1

1-Methyl-3-(5-methyl-2,3,5hexatrienyl)benzene

[13732-82-6]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

979.6 ± 2.0

66-che/bal-1

3-Nonen-1-ynylbenzene

[154221-18-8]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

915.2 ± 2.0

40-mal/sol

(3-Methyl-3-nonen-1-ynyl)benzene

[500034-99-1]

Table 1. Fit with estimated B coefficient for 2 accepted points. Deviation σw = 0.550 . Coefficient ρ = A + BT 1127.21 A -0.780 B Table 2. Experimental values with uncertainties and deviation from calculated values. T K

293.15 273.15


899.1 ± 2.0 913.6 ± 2.0


0.55 -0.55

36-mal/sol 36-mal/sol


270.00 280.00 290.00 293.15 298.15


916.6 ± 2.2 908.8 ± 1.3 901.0 ± 1.5 898.5 ± 1.7 894.6 ± 2.1


5 Unsaturated Alkylbenzenes, (CnH2n-12) (5,9-Dimethyl-1,3,9-decatrienyl)benzene [500035-00-7]

321

C18H24

MW = 240.39

667

C19H26

MW = 254.42

668


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

927.3 ± 2.0

25-rup/rin

3,7,11-Tridecatrienylbenzene

[500035-87-0]


294.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

896.2 ± 2.0


43-arb/kuz-1

6 Unsaturated Alkynylbenzenes CnH2n-14

323

6 Tabulated Data on Density - Unsaturated Alkynylbenzenes CnH2n-14 1,2-Diethynylbenzene

[21792-52-9]

C 10H6

MW = 126.16

669

C10H6

MW = 126.16

670

C 11H8

MW = 140.18

671

C11H8

MW = 140.18

672

C14H14

MW = 182.27

673


290.65

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

978.8 ± 2.0

34-del

1,3-Diethynylbenzene

[500035-02-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

966.9 ± 2.0

34-del

1,3-pentadiynylbenzene

[4009-22-7]

Table 1. Experimental and recommended values with uncertainties. ρexp ± 2σ est T Ref. −3 K kg ⋅ m 294.15 974.5 ± 3.0 25-pre1) 291.15 974.5 ± 2.0 28-pre-4 291.15 974.5 ± 2.0 43-arb/kuz-1 291.15 974.5 ± 2.0 Recommended 1)


1,4-Pentadiynylbenzene

[6088-96-6]


293.15

ρexp ± 2σ est

Ref.

−3

kg ⋅ m

979.0 ± 2.0

59-gro

(3,3-Dimethyl-1,4-hexadienyl)benzene

[10509-42-9]


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

930.4 ± 2.0


66-gra/zak

324

6 Unsaturated Alkynylbenzenes CnH2n-14

(3,7,11,15-Heptadecatetraenyl)benzene

[500035-01-8]

C23H32

MW = 308.51

674


ρexp ± 2σ est

Ref.

−3

kg ⋅ m

918.0 ± 2.0

43-arb/kuz-1


References

325

References Reference codes are those used in the TRC SOURCE database. A reference code consists of the year prior to 1900, or the last two digits of the year after 1899, the first three letters of the first author, the first three letters of the second author. An additional sequence number is used when more than one reference in the database has an identical code. 1867-fit/kon

Fittig, R.; Konig, J.; Justus Liebigs Ann. Chem. 144 (1867) 277.

1872-aro 1873-adr 1873-mye 1873-pis/pat 1874-aro 1874-jac 1876-mor 1876-rad 1878-kra-1 1878-vro 1879-aus 1879-cia

Aronheim, B.; Ber. Dtsch. Chem. Ges. 5 (1872) 1068. Adrieenz, A.; Chem. Ber. 6 (1873) 441. Myers, J.; Ber. Dtsch. Chem. Ges. 6 (1873) 439. Pisati, G.; Paterno, E.; Gazz. Chim. Ital. 3 (1873) 551. Aronheim, B.; Justus Liebigs Ann. Chem. 171 (1874) 219. Jacobsen, O.; Ber. Dtsch. Chem. Ges. 7 (1874) 1430. Morgan, T. M.; J. Chem. Soc. 29 (1876) 162. Radziszewski, B.; Ber. Dtsch. Chem. Ges. 9 (1876) 260. Kraut, K.; Justus Liebigs Ann. Chem. 192 (1878) 222. Vroblevskii, E.; Justus Liebigs Ann. Chem. 192 (1878) 196. Austin, A.; Bull. Soc. Chim. Fr. 32 (1879) 12. Ciamician, G. L.; Ber. Dtsch. Chem. Ges. 12 (1879) 1658.

1880-bru-3 1880-cla-1 1880-jan

Bruhl, J. W.; Justus Liebigs Ann. Chem. 200 (1880) 139. Claus, A.; Ber. Dtsch. Chem. Ges. 13 (1880) 896. Janovsky, J. V.; Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt.1 81 (1880) 539. Naccari, A.; Pagliani, S.; Atti R. Accad. Sci. Torino, Cl. Sci. Fis. Mat. Nat. 16 (1881) 407. Naccari, A.; Pagliani, S.; Beibl. Ann. Phys. 6 (1882) 87. Dafert, F. W.; Monatsh. Chem. 4 (1883) 154. Dafert, F. W.; Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt., II 87 (1883) 460. Dafert, F. W.; Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt., II 88 (1883) 318. Flink, G.; Oversidet. Svenska Vetenskaps-Soc. Forh. 40 (5) (1883) 21. Renard, A.; C. R. Hebd. Seances Acad. Sci. 97 (1883) 328. Schramm, J.; Justus Liebigs Ann. Chem. 218 (1883) 383. Schiff, R.; Justus Liebigs Ann. Chem. 220 (1883) 71. Weger, F.; Justus Liebigs Ann. Chem. 221 (1883) 61. Essner, S. C.; Gossin, F.; Bull. Soc. Chim. Fr. 42 (1884) 213. Gladstone, J. H.; J. Chem. Soc., Trans. 45 (1884) 241. Renard, A.; Ann. Chim. Phys. 1 (1884) 223. Schiff, R.; Justus Liebigs Ann. Chem. 223 (1884) 47. Nasini, R.; Bernheimer, O.; Gazz. Chim. Ital. 15 (1885) 59. Silva, R. D.; Bull. Soc. Chim. Fr. 43 (1885) 317. Anschutz, R.; Justus Liebigs Ann. Chem. 235 (1886) 299. Bruhl, J. W.; Justus Liebigs Ann. Chem. 235 (1886) 1. Friedel, C.; Crafts, J. M.; Ann. Chim. Phys. 10 (1887) 411. Negreano, M.; C. R. Hebd. Seances Acad. Sci. 104 (1887) 423. Neubeck, F.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 1 (1887) 649. Timberg, G.; Ann. Phys. (Leipzig) 30 (1887) 545. Knops, C.; Justus Liebigs Ann. Chem. 248 (1888) 175.

1881-nac/pag 1882-nac/pag 1883-daf 1883-daf-2 1883-daf-3 1883-fli 1883-ren 1883-sch-2 1883-sch-3 1883-weg 1884-ess/gos 1884-gla 1884-ren 1884-sch-6 1885-nas/ber 1885-sil 1886-ans-1 1886-bru 1887-fri/cra 1887-neg 1887-neu 1887-tim 1888-kno Landolt-Börnstein New Series IV/8E

326 1888-kra/got 1888-pin 1888-sch-1 1888-vos 1888-vos-1 1888-wee 1889-you-1

References Krafft, F.; Gottig, J.; Ber. Dtsch. Chem. Ges. 21 (1888) 3180. Pinette, J.; Justus Liebigs Ann. Chem. 243 (1888) 32. Schramm, J.; Sitzungsber. Akad. Wiss. Wien, Math.-Naturwiss. Kl., Abt. 2B 97 (1888) 586. Voswinkel, A.; Ber. Dtsch. Chem. Ges. 21 (1888) 2829. Voswinkel, A.; Ber. Dtsch. Chem. Ges. 21 (1888) 3499. Weegmann, R.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 2 (1888) 218. Young, S.; J. Chem. Soc., Trans. 55 (1889) 486.

1890-gar 1890-wid 1891-fer 1891-gla 1891-sch/kos

Gartenmeister, R.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 6 (1890) 524. Widman, O.; Chem. Ber. 23 (1890) 3080. Ferche, F.; Ann. Phys. (Leipzig) 44 (1891) 265. Gladstone, J. H.; J. Chem. Soc. 59 (1891) 290. Schall, C.; Kossakowsky, L.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 8 (1891) 241. 1892-cla Claus, A.; J. Prakt. Chem. 46 (1892) 474. 1892-lan/jah Landolt, H.; Jahn, H.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 10 (1892) 289. 1892-per-1 Peratoner, A.; Gazz. Chim. Ital. 22 (1892) 61. 1893-bro Brochet, A.; Bull. Soc. Chim. Fr. 9 (1893) 687. 1893-bro-1 Brochet, A.; C. R. Hebd. Seances Acad. Sci. 117 (1893) 115. 1893-eyk Eykman, J. F.; Recl. Trav. Chim. Pays-Bas 12 (1893) 157. 1893-ram/shi-3 Ramsay, W.; Shields, J.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 12 (1893) 433. 1893-sch Schonrock, O.; Z. Phys. Chem., Stoechiom, Verwandtschaftsl. 11 (1893) 753. 1894-bru-1 Bruhl, J. W.; J. Prakt. Chem. 50 (1894) 119. 1894-jah/mol Jahn, H.; Moller, G.; Z. Phys. Chem. (Leipzig) 13 (1894) 385. 1894-tho/rod-1 Thorpe, T. E.; Rodger, J. W.; Philos. Trans. R. Soc. London, A 185 (1894) 522. 1895-bar/bou Barbier; Bouveault, L.; C. R. Hebd. Seances Acad. Sci. 120 (1895) 1420. 1895-jou Joukovsky, S.; Zh. Russ. Fiz.-Khim. O-va. 27 (1895) 296. 1895-kon Konovalov, M.; Chem. Ber. 28 (1895) 1852. 1895-lin Linebarger, C. E.; J. Am. Chem. Soc. 17 (1895) 615. 1895-toh Tohl, A.; Chem. Ber. 28 (1895) 2459. 1896-lin-1 Linebarger, C. E.; Am. J. Sci. 2 (1896) 331. 1896-luc Lucas, L.; Chem. Ber. 29 (1896) 2885. 1896-per Perkin, W. H.; J. Chem. Soc. 69 (1896) 1025. 1896-zhu Zhukovskii, S. J.; Bull. Soc. Chim. Fr. 16 (1896) 126. 1897-bil-1 Biltz, M. H.; Justus Liebigs Ann. Chem. 296 (1897) 263. 1897-tho/rod-1 Thorpe, T. E.; Rodger, J. W.; Philos. Trans. R. Soc. London, A 189 (1897) 71. 1897-tho/rod-2 Thorpe, T. E.; Rodger, J. W.; Philos. Trans. R. Soc. London, A 189 (1897) 91. 1898-kah Kahlbaum, G. W. A.; Z. Phys. Chem., Stoechiom. Verwandtschaftsl. 26 (1898) 577. 1898-kon/ego Konovalov, M.; Egorov, J.; Zh. Russ. Fiz.-Khim. O-va. 30 (1898) 1031. 1898-ver Verley, A.; Bull. Soc. Chim. Fr. 19 (1898) 67. 1899-kla Klages, A.; Chem. Ber. 32 (1899) 1549. 1899-nef Nef, J. V.; Justus Liebigs Ann. Chem. 308 (1899) 264. 1899-nie Niemczycki, S.; Bull. Int. Acad. Sci. Cracovie 473 (1899).

00-dut/fri 00-est 00-kun/got 00-per 01-gri-2 02-kla 02-kla-1

Dutoit, P.; Friederich, L.; Arch. Sci. Phys. Nat. 9 (1900) 105. Estreicher, T.; Ber. Dtsch. Chem. Ges. 33 (1900) 436. Kunckell, F.; Gotsch, F.; Ber. Dtsch. Chem. Ges. 33 (1900) 2654. Perkin, W. H.; J. Chem. Soc. 77 (1900) 267. Grignard, V.; Ann. Chim. 24 (1901) 433. Klages, A.; Chem. Ber. 35 (1902) 2245. Klages, A.; Chem. Ber. 35 (1902) 2633.


References 02-kla-2 02-kla-4 02-lie/rii 02-pat 02-tif-1 03-ans/bec 03-kla-1 03-kla-3 03-kla/kei 03-kla/kei-1 03-kun 03-kun/sie 03-von/kei 03-you/for 04-bar/gri 04-dar 04-dun 04-kla 04-kla-1 04-kla-2 04-kla-3 04-kla/sau 04-kla/sta 04-kun/sta 04-tif 05-age 05-bol/guy 05-bor 05-chr 05-kla/sau 05-wal/hut 06-bla/cou 06-bra 06-gle 06-kla 06-kla-1 06-kla/sau 06-kla/som 06-mou 06-von/koc 07-dun/tho 07-erf 07-kla 07-kla-1 07-lum 07-sho 07-tif 07-tif-2 08-dun/stu 08-liv/mor 08-ric/mat Landolt-Börnstein New Series IV/8E

327

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332 31-adk/fol-1 31-bou 31-bre 31-dec 31-dec-1 31-gra/hey 31-gri/lap 31-kre/per 31-lev/dvo 31-lev/mar-7 31-lev/tab 31-lur/gol 31-nes/dar 31-ton/ueh-1 31-tre/spe 31-tru 32-cha 32-dup/dau 32-gar/eva 32-gri/kof 32-hei 32-hof/lan 32-kuh/deu 32-loc 32-mar/col 32-mil 32-vor/fis 32-whi/ros 32-zel/mar 33-azi/bha 33-bar/cas 33-bri/dum 33-bro/qui 33-car/ber 33-glo/lyn 33-hal 33-hen/jef 33-hof/lan 33-kuh/hof 33-mai/sch 33-mit/mar 33-mor 33-nen/isa 33-sho/iss 33-tis 33-zel/pac 34-all/hib 34-bar-2

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