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Benzoic acid, 2-methyl-

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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:
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.
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tboil531.7KN/AAldrich Chemical Company Inc., 1990BS
Quantity Value Units Method Reference Comment
Tfus380.KN/ASugunan and Thomas, 1993Uncertainty assigned by TRC = 1.5 K; TRC
Tfus376.50KN/ADomanska and Hofman, 1985Uncertainty assigned by TRC = 0.05 K; TRC
Tfus377.65KN/ADoering and Bragole, 1966Uncertainty assigned by TRC = 2. K; TRC
Tfus376.9KN/AAndrews, Lynn, et al., 1926Uncertainty assigned by TRC = 0.3 K; TRC
Quantity Value Units Method Reference Comment
Deltasub95.9 ± 0.1kJ/molMEColomina, Jimenez, et al., 1986Based on data from 297. - 337. K.; AC
Deltasub95.9 ± 0.1kJ/molVColomina, Jimenez, et al., 1986, 2see Colomina, Boned, et al., 1961 and Colomina, Perez Ossorio, et al., 1959; ALS
Deltasub95.9kJ/molN/AColomina, Jimenez, et al., 1986, 2DRB

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
20.17376.9Acree, 1991AC
20.170376.9Andrews, Lynn, et al., 1926, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
53.5376.9Andrews, Lynn, et al., 1926, 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.

Aldrich Chemical Company Inc., 1990
Aldrich Chemical Company Inc., Catalog Handbook of Fine Chemicals, Aldrich Chemical Company, Inc., Milwaukee WI, 1990, 1. [all data]

Sugunan and Thomas, 1993
Sugunan, S.; Thomas, B., Salting Coefficients of 2-, 3-, and 4-Methylbenzoic Acids, J. Chem. Eng. Data, 1993, 38, 520-1. [all data]

Domanska and Hofman, 1985
Domanska, U.; Hofman, T., Correlations for the solubility of normal alkanoic acids and o-tolui acid in binary solvent mixtures, J. Solution Chem., 1985, 14, 531-47. [all data]

Doering and Bragole, 1966
Doering, W. vonE.; Bragole, R.A., The Carbon Analogue of the Clasien Rearrangement of Phenyl Allyl Ether. Equilibrium of Butenylbenzenes and ortho-Propenyltoluenes, Tetrahedron, 1966, 27, 385. [all data]

Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J., The Heat Capacities and Heat of Crystallization of Some Isomeric Aromatic Compounds, J. Am. Chem. Soc., 1926, 48, 1274. [all data]

Colomina, Jimenez, et al., 1986
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Propiedades termoquimicas de derivados del acido benzoico. XIII. Presiones de vapor y entalpias de sublimacion y formacion de los acidos toluicos, An. Quim., 1986, 82, 126. [all data]

Colomina, Jimenez, et al., 1986, 2
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Propiedades termoquimicas de derivados del acido benzoico. XIII. Presiones de vapor y entalpias de sublimacion y formacion de los acidos toluicos, An. Quim., 1986, 82, 126-130. [all data]

Colomina, Boned, et al., 1961
Colomina, M.; Boned, M.L.; Turrion, C., Investigaciones termoquimicas sobre los acidos alquilbenzoicos. I. Acidos toluicos, An. Fis. Quim., 1961, 57, 655-664. [all data]

Colomina, Perez Ossorio, et al., 1959
Colomina, M.; Perez Ossorio, R.; Boned, M.L.; Panea, M.; Turrion, C., Thermochemical investigations on methylsubstituted benzoic acids, Rpt. for the U.S. Dept. of the Army, European Research Office contract no. DA-91-508-EUC-358 by Instituto de Quimica Fisica Madrid, Spain, 1959, 1-36. [all data]

Acree, 1991
Acree, William E., Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation, Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H . [all data]

Andrews, Lynn, et al., 1926, 2
Andrews, D.H.; Lynn, G.; Johnston, J., The heat capacities and heat of crystallization of some isomeric aromatic compounds, J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]


Notes

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