Benzoic acid, 2-methoxy-

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.


Phase change data

Go To: Top, 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
AC - William E. Acree, Jr., James S. Chickos
DRB - Donald R. Burgess, Jr.
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein

Quantity Value Units Method Reference Comment
Tfus374.05KN/ADavies and Jones, 1954Uncertainty assigned by TRC = 0.5 K; TRC
Tfus370.KN/ABarnes and McElvain, 1937Uncertainty assigned by TRC = 6. K; TRC
Tfus374.KN/ABarnes and McElvain, 1937Uncertainty assigned by TRC = 3. K; TRC
Quantity Value Units Method Reference Comment
Δvap21.9kcal/molSub-FusPerlovich, Volkova, et al., 2008AC
Quantity Value Units Method Reference Comment
Δsub26.5 ± 0.2kcal/molGSPerlovich, Volkova, et al., 2008Based on data from 309. to 363. K.; AC
Δsub25.02kcal/molN/AColomina, Jimenez, et al., 1978DRB
Δsub25.02 ± 0.07kcal/molMEColomina, Jimenez, et al., 1978AC
Δsub21.7 ± 0.1kcal/molVDavies and Jones, 1954ALS

Enthalpy of sublimation

ΔsubH (kcal/mol) Temperature (K) Method Reference Comment
24.19333.AStephenson and Malanowski, 1987Based on data from 318. to 353. K.; AC
25.02 ± 0.07319.34VColomina, Jimenez, et al., 1978ALS
21.7 ± 0.1360.GSMalaspina, 1973Based on data from 353. to 368. K. See also Stephenson and Malanowski, 1987.; AC
21.7360.GSDavies and Jones, 1954Based on data from 353. to 368. K. See also Jones, 1960.; AC

Enthalpy of fusion

ΔfusH (kcal/mol) Temperature (K) Method Reference Comment
5.74374.6DSCPerlovich, Volkova, et al., 2008AC

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.

Davies and Jones, 1954
Davies, M.; Jones, J.I., The sublimation pressures and heats of sublimation of some carboxylic acids, Trans. Faraday Soc., 1954, 50, 1042. [all data]

Barnes and McElvain, 1937
Barnes, H.M.; McElvain, S.M., Further Observations on the Condensation of Benzene with Alloxan, J. Am. Chem. Soc., 1937, 59, 2348-51. [all data]

Perlovich, Volkova, et al., 2008
Perlovich, German L.; Volkova, Tatyana V.; Manin, Alex N.; Bauer-Brandl, Annette, Extent and mechanism of solvation and partitioning of isomers of substituted benzoic acids: A thermodynamic study in the solid state and in solution, J. Pharm. Sci., 2008, 97, 9, 3883-3896, https://doi.org/10.1002/jps.21260 . [all data]

Colomina, Jimenez, et al., 1978
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C., Thermochemical properties of benzoic acid derivatives VII. Enthalpies of combustion and formation of the o-, m-, and p-methoxy-benzoic acids, J. Chem. Thermodyn., 1978, 10, 661-665. [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]

Malaspina, 1973
Malaspina, L., Microcalorimetric determination of the enthalpy of sublimation of benzoic acid and anthracene, J. Chem. Phys., 1973, 59, 1, 387, https://doi.org/10.1063/1.1679817 . [all data]

Jones, 1960
Jones, A.H., Sublimation Pressure Data for Organic Compounds., J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019 . [all data]


Notes

Go To: Top, Phase change data, References