Benzoic acid, 2,4-dimethoxy-

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Condensed phase thermochemistry 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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Δfsolid-712.2 ± 1.4kJ/molCcbColomina, Roux, et al., 1981 
Quantity Value Units Method Reference Comment
Δcsolid-4258.6 ± 0.8kJ/molCcbColomina, Roux, et al., 1981Corresponding Δfsolid = -712.1 kJ/mol (simple calculation by NIST; no Washburn corrections)

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

Quantity Value Units Method Reference Comment
Tfus380.15KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.3 K; TRC
Tfus380.45KN/AWitschonke, 1954Uncertainty assigned by TRC = 0.2 K; TRC
Quantity Value Units Method Reference Comment
Δsub123.4 ± 0.4kJ/molVColomina, Jimenez, et al., 1985ALS
Δsub123.4 ± 0.4kJ/molMEColomina, Jiménez, et al., 1985Based on data from 346. to 367. K.; AC

Enthalpy of sublimation

ΔsubH (kJ/mol) Temperature (K) Method Reference Comment
120.5 ± 0.4357.MEColomina, Jiménez, et al., 1985Based on data from 346. to 367. K.; 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, 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, Roux, et al., 1981
Colomina, M.; Roux, M.V.; Turrion, C., Thermochemical properties of benzoic acid derivatives. X. Enghalpies of combustion and formation of 2,3-, 2,4-, 2,6-, 3,4-, and 3,5-dimethoxybenzoic acids, J. Chem. Thermodyn., 1981, 13, 1169-1173. [all data]

Witschonke, 1954
Witschonke, C.R., Freezing point and purity data for some organic compounds, Anal. Chem., 1954, 26, 562-4. [all data]

Colomina, Jimenez, et al., 1985
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of benzoic acid derivatives. XII. Vapour pressures and enthalpies of sublimation and formation of five dimethoxybenzoic acids, J. Chem. Thermodyn., 1985, 17, 1091-10. [all data]

Colomina, Jiménez, et al., 1985
Colomina, M.; Jiménez, P.; Roux, M.V.; Turrión, C., Thermochemical properties of benzoic acid derivatives XII. Vapour pressures and enthalpies of sublimation and formation of five dimethoxybenzoic acids, The Journal of Chemical Thermodynamics, 1985, 17, 11, 1091-1096, https://doi.org/10.1016/0021-9614(85)90096-5 . [all data]


Notes

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