Benzoic acid, 2,4-dimethyl-

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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
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
AC - William E. Acree, Jr., James S. Chickos

Quantity Value Units Method Reference Comment
Δsub24.74 ± 0.07kcal/molVColomina, Jimenez, et al., 1984see Colomina, Perez-Ossorio, et al., 1961 and Colomina, Perez Ossorio, et al., 1959; ALS
Δsub24.74kcal/molN/AColomina, Jimenez, et al., 1984DRB
Δsub24.74 ± 0.07kcal/molMEColomina, Jimenez, et al., 1984Based on data from 312. to 331. K.; AC

Reduced pressure boiling point

Tboil (K) Pressure (atm) Reference Comment
540.20.957Aldrich Chemical Company Inc., 1990BS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
24.55 ± 0.07321.MEColomina, Jimenez, et al., 1984Based on data from 312. to 331. K.; AC

References

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

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]

Colomina, Perez-Ossorio, et al., 1961
Colomina, M.; Perez-Ossorio, R.; Boned, M.L.; Panea, M.; Turrion, C., Investigaciones termoquimicas sobre los acidos alquilbenzoicos. II. Acidos dimetrilbenzoicos, Anal. Fisc. Quim. B, 1961, 57, 665-672. [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]

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


Notes

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