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Ethylbenzene

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Phase change data

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Data compiled as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny, director
BS - Robert L. Brown and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil409.3 ± 0.3KAVGN/AAverage of 78 out of 97 values; Individual data points
Quantity Value Units Method Reference Comment
Tfus179. ± 2.KAVGN/AAverage of 16 out of 17 values; Individual data points
Quantity Value Units Method Reference Comment
Ttriple178.15KN/AScott and Brickwedde, 1945Uncertainty assigned by TRC = 0.02 K; TRC
Ttriple178.KN/AHuffman, Parks, et al., 1930Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Tc617. ± 2.KAVGN/AAverage of 10 values; Individual data points
Quantity Value Units Method Reference Comment
Pc36.4 ± 0.9barAVGN/AAverage of 6 values; Individual data points
Quantity Value Units Method Reference Comment
Vc0.374l/molN/ATsonopoulos and Ambrose, 1995 
Quantity Value Units Method Reference Comment
rhoc2.68 ± 0.010mol/lN/ATsonopoulos and Ambrose, 1995 
rhoc2.670mol/lN/ASimon, 1957Uncertainty assigned by TRC = 0.04 mol/l; TRC
Quantity Value Units Method Reference Comment
Deltavap41. ± 4.kJ/molAVGN/AAverage of 7 values; Individual data points

Enthalpy of vaporization

DeltavapH (kJ/mol) Temperature (K) Method Reference Comment
35.57409.3N/AMajer and Svoboda, 1985 
42.490294.01N/AScott and Brickwedde, 1945, 2DH
41.8313.AStephenson and Malanowski, 1987Based on data from 298. - 420. K.; AC
37.0424.AStephenson and Malanowski, 1987Based on data from 409. - 459. K.; AC
35.8472.AStephenson and Malanowski, 1987Based on data from 457. - 554. K.; AC
35.5564.AStephenson and Malanowski, 1987Based on data from 549. - 617. K.; AC
40.6335.N/APaul, Krug, et al., 1986Based on data from 320. - 400. K.; AC
40.5 ± 0.1328.CSvoboda, Charvátová, et al., 1982AC
39.5 ± 0.1343.CSvoboda, Charvátová, et al., 1982AC
38.6 ± 0.1358.CSvoboda, Charvátová, et al., 1982AC
40.0345.MMWillingham, Taylor, et al., 1945Based on data from 330. - 410. K. See also Forziati, Norris, et al., 1949.; AC

Enthalpy of vaporization

ΔvapH = A exp(-βTr) (1 − Tr)β
    ΔvapH = Enthalpy of vaporization (at saturation pressure) (kJ/mol)
    Tr = reduced temperature (T / Tc)

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Temperature (K) A (kJ/mol) beta Tc (K) Reference Comment
295. - 437.58.320.2823617.1Majer and Svoboda, 1985 

Entropy of vaporization

DeltavapS (J/mol*K) Temperature (K) Reference Comment
144.5294.01Scott and Brickwedde, 1945, 2DH

Antoine Equation Parameters

log10(P) = A − (B / (T + C))
    P = vapor pressure (bar)
    T = temperature (K)

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Temperature (K) A B C Reference Comment
420.00 - 600.004.405361695.026-23.698Ambrose, Broderick, et al., 1967Coefficents calculated by NIST from author's data.
329.74 - 410.274.074881419.315-60.539Williamham, Taylor, et al., 1945 

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
9.1818178.15Scott and Brickwedde, 1945, 2DH
9.163178.17Guthrie, Spitzer, et al., 1944DH
9.16178.2Domalski and Hearing, 1996AC
9.163178.0Huffman, Parks, et al., 1930, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
51.54178.15Scott and Brickwedde, 1945, 2DH
51.43178.17Guthrie, Spitzer, et al., 1944DH
51.48178.0Huffman, Parks, et al., 1930, 2DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


References

Go To: Top, Phase change data, Notes

Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Scott and Brickwedde, 1945
Scott, R.B.; Brickwedde, F.G., Thermodynamic Properties of Solid and Liquid Ethylbenzene From 0 to 300 K, J. Res. Natl. Bur. Stand. (U. S.), 1945, 35, 501-12. [all data]

Huffman, Parks, et al., 1930
Huffman, H.M.; Parks, G.S.; Daniels, A.C., Thermal Data on Organic Compounds: VII The Heat Capacities, Entropies and Free Energies of Twelve Aromatic Hydrocarbons, J. Am. Chem. Soc., 1930, 52, 1547-58. [all data]

Tsonopoulos and Ambrose, 1995
Tsonopoulos, C.; Ambrose, D., Vapor-Liquid Critical Properties of Elements and Compounds. 3. Aromatic Hydrocarbons, J. Chem. Eng. Data, 1995, 40, 547-558. [all data]

Simon, 1957
Simon, M., Methods and Apparatus Used at the Bureau of Physicochemical Standards XV. Critical Constants and Straight-Line Diameters of Ten Hydrocarbons, Bull. Soc. Chim. Belg., 1957, 66, 375-81. [all data]

Majer and Svoboda, 1985
Majer, V.; Svoboda, V., Enthalpies of Vaporization of Organic Compounds: A Critical Review and Data Compilation, Blackwell Scientific Publications, Oxford, 1985, 300. [all data]

Scott and Brickwedde, 1945, 2
Scott, R.B.; Brickwedde, F.G., Thermodynamic properties of solid and liquid ethylbenzene from 0 to 300K, J. Res., 1945, NBS 35, 501-512. [all data]

Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]

Paul, Krug, et al., 1986
Paul, Hanns-Ingolf; Krug, Joseph; Knapp, Helmut, Measurements of VLE, hE and vE for binary mixtures of n-alkanes with n-alkylbenzenes, Thermochimica Acta, 1986, 108, 9-27, https://doi.org/10.1016/0040-6031(86)85073-0 . [all data]

Svoboda, Charvátová, et al., 1982
Svoboda, Václav; Charvátová, Vladimíra; Majer, Vladimír; Hynek, Vladimír, Determination of heats of vaporization and some other thermodynamic properties for four substituted hydrocarbons, Collect. Czech. Chem. Commun., 1982, 47, 2, 543-549, https://doi.org/10.1135/cccc19820543 . [all data]

Willingham, Taylor, et al., 1945
Willingham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D., Vapor pressures and boiling points of some paraffin, alkylcyclopentane, alkylcyclohexane, and alkylbenzene hydrocarbons, J. RES. NATL. BUR. STAN., 1945, 35, 3, 219-17, https://doi.org/10.6028/jres.035.009 . [all data]

Forziati, Norris, et al., 1949
Forziati, Alphonse F.; Norris, William R.; Rossini, Frederick D., Vapor pressures and boiling points of sixty API-NBS hydrocarbons, J. RES. NATL. BUR. STAN., 1949, 43, 6, 555-17, https://doi.org/10.6028/jres.043.050 . [all data]

Ambrose, Broderick, et al., 1967
Ambrose, D.; Broderick, B.E.; Townsend, R., The Vapour Pressures Above the Normal Boiling Point and the Critical Pressures of Some Aromatic Hydrocarbons, J. Chem. Soc. A:, 1967, 633-641, https://doi.org/10.1039/j19670000633 . [all data]

Williamham, Taylor, et al., 1945
Williamham, C.B.; Taylor, W.J.; Pignocco, J.M.; Rossini, F.D., Vapor Pressures and Boiling Points of Some Paraffin, Alkylcyclopentane, Alkylcyclohexane, and Alkylbenzene Hydrocarbons, J. Res. Natl. Bur. Stand. (U.S.), 1945, 35, 3, 219-244, https://doi.org/10.6028/jres.035.009 . [all data]

Guthrie, Spitzer, et al., 1944
Guthrie, G.B., Jr.; Spitzer, R.W.; Huffman, H.M., Thermal data. XVIII. The heat capacity, heat of fusion, entropy and free energy of ethylbenzene, J. Am. Chem. Soc., 1944, 66, 2120-2121. [all data]

Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D., Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III, J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985 . [all data]

Huffman, Parks, et al., 1930, 2
Huffman, H.M.; Parks, G.S.; Daniels, A.C., Thermal data on organic compounds. VII. The heat capacities, entropies and free energies of twelve aromatic hydrocarbons, J. Am. Chem. Soc., 1930, 52, 1547-1558. [all data]


Notes

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