Home Symbol which looks like a small house Up Solid circle with an upward pointer in it

2-Ethylbenzoic acid

Data at NIST subscription sites:

NIST subscription sites provide data under the NIST Standard Reference Data Program, but require an annual fee to access. The purpose of the fee is to recover costs associated with the development of data collections included in such sites. Your institution may already be a subscriber. Follow the links above to find out more about the data in these sites and their terms of usage.


Gas phase thermochemistry data

Go To: Top, Condensed phase thermochemistry data, Phase change data, References, Notes

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

Data compiled by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Deltafgas-340.7 ± 1.5kJ/molCcbColomina, Jimenez, et al., 1976 

Condensed phase thermochemistry data

Go To: Top, Gas phase thermochemistry data, Phase change data, References, Notes

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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Deltafsolid-441.4 ± 1.5kJ/molCcbColomina, Jimenez, et al., 1976ALS
Quantity Value Units Method Reference Comment
Deltacsolid-4529.4 ± 3.7kJ/molCcbColomina, Jimenez, et al., 1976Corresponding «DELTA»fsolid = -441.37 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
208.7298.15Colomina, Jimenez, et al., 1984Cp given as 1.39 J/g*K.; DH

Phase change data

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, References, Notes

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:
BS - Robert L. Brown and Stephen E. Stein
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Kenneth Kroenlein director
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.

Quantity Value Units Method Reference Comment
Tboil532.2KN/AWeast and Grasselli, 1989BS
Quantity Value Units Method Reference Comment
Tfus338.KN/ACrawford and Stewart, 1952Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Deltasub101.1 ± 0.4kJ/molMEColomina, Jimenez, et al., 1984, 2AC
Deltasub100.7 ± 0.4kJ/molVColomina, Jimenez, et al., 1976ALS
Deltasub100.7kJ/molN/AColomina, Jimenez, et al., 1976DRB
Deltasub100.7 ± 2.5kJ/molMEColomina, Jimenez, et al., 1976Based on data from 298. - 313. K.; AC

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
100.5305.5MEStephenson and Malanowski, 1987Based on data from 298. - 313. K. See also Colomina, Jimenez, et al., 1976.; AC

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, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, Notes

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

Colomina, Jimenez, et al., 1976
Colomina, M.; Jimenez, P.; Perez-Ossorio, R.; Turrion, C., Thermochemical properties of alkylbenzoic acids VI. Enthalpies of combustion and formation of the o-, m-, and p-ethylbenzoic acids, J. Chem. Thermodyn., 1976, 8, 439-444. [all data]

Colomina, Jimenez, et al., 1984
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of benzoic acid derivatives. XI. Vapour pressures and enthalpies of sublimation and formation of the six dimethylbenzoic acids, J. Chem. Thermodyn., 1984, 16, 1121-1127. [all data]

Weast and Grasselli, 1989
CRC Handbook of Data on Organic Compounds, 2nd Editon, Weast,R.C and Grasselli, J.G., ed(s)., CRC Press, Inc., Boca Raton, FL, 1989, 1. [all data]

Crawford and Stewart, 1952
Crawford, M.; Stewart, F.H.C., The Preparation of Some Alkyl-substituted Benzoic Acids, J. Chem. Soc., 1952, 1952, 4443-7. [all data]

Colomina, Jimenez, et al., 1984, 2
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemistry of p-ethylbenzoic acid, J. Chem. Thermodyn., 1984, 16, 379-384. [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]


Notes

Go To: Top, Gas phase thermochemistry data, Condensed phase thermochemistry data, Phase change data, References