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Benzoic acid, 4-hydroxy-

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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:
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
Tfus488.1KN/AArmstrong, James, et al., 1979Uncertainty assigned by TRC = 0.5 K; TRC
Tfus489.KN/AHerbert, 1967Uncertainty assigned by TRC = 1. K; TRC
Tfus489.35KN/ADavies and Jones, 1954Uncertainty assigned by TRC = 0.7 K; TRC
Tfus486.KN/AKing, McWhirter, et al., 1945Uncertainty assigned by TRC = 4. K; TRC
Quantity Value Units Method Reference Comment
Deltasub117.0 ± 0.5kJ/molCPinto, Diogo, et al., 2005AC
Deltasub114.05 ± 0.69kJ/molCSabbah and Le, 1993ALS
Deltasub114.0kJ/molN/ASabbah and Le, 1993DRB
Deltasub114.1 ± 0.7kJ/molN/ASabbah and Le, 1993AC
Deltasub116.1 ± 0.4kJ/molVDavies and Jones, 1954ALS

Enthalpy of sublimation

DeltasubH (kJ/mol) Temperature (K) Method Reference Comment
112.4 ± 0.7363.CSabbah and Le, 1993AC
116.3398. - 433.GSDavies and Jones, 1954See also Jones, 1960.; AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Method Reference Comment
30.9488.1N/AARMSTRONG, JAMES, et al., 2011AC
30.85489.N/ANordström and Rasmuson, 2006AC
31.4487.2N/AGracin and Rasmuson, 2002AC
32.0488.DSCHeath, Singh, et al., 1992AC

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.

Armstrong, James, et al., 1979
Armstrong, N.A.; James, K.C.; Wong, C.K., Inter-relationships between solubilities, distribution coefficients and melting points of some substituted benzoic and phenylacetic acids, J. Pharm. Pharmacol., 1979, 31, 1, 627, https://doi.org/10.1111/j.2042-7158.1979.tb13606.x . [all data]

Herbert, 1967
Herbert, A.J., Transition temperatures and transition energies of the p-n-alkoxy benzoic acids, from n-propyl to n-octadecyl, Trans. Faraday Soc., 1967, 63, 555, https://doi.org/10.1039/tf9676300555 . [all data]

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]

King, McWhirter, et al., 1945
King, L.C.; McWhirter, M.; Barton, D.M., Reactions of Acetophenols with Iodine and Pyridine and the Preparation of Hydroxybenzoic Acids, J. Am. Chem. Soc., 1945, 67, 2089-92. [all data]

Pinto, Diogo, et al., 2005
Pinto, Susana S.; Diogo, Hermínio P.; Guedes, Rita C.; Costa Cabral, Benedito J.; Minas da Piedade, Manuel E.; Martinho Simões, José A., Energetics of Hydroxybenzoic Acids and of the Corresponding Carboxyphenoxyl Radicals. Intramolecular Hydrogen Bonding in 2-Hydroxybenzoic Acid, J. Phys. Chem. A, 2005, 109, 42, 9700-9708, https://doi.org/10.1021/jp054220g . [all data]

Sabbah and Le, 1993
Sabbah, R.; Le, T.H.D., Etude thermodynamique des trois isomeres de l'acide bydroxybenzolque, Can. J. Chem., 1993, 71, 1378-1383. [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]

ARMSTRONG, JAMES, et al., 2011
ARMSTRONG, N.A.; JAMES, K.C.; WONG, C.K., Inter-relationships between solubilities, distribution coefficients and melting points of some substituted benzoic and phenylacetic acids, Journal of Pharmacy and Pharmacology, 2011, 31, 1, 627-631, https://doi.org/10.1111/j.2042-7158.1979.tb13606.x . [all data]

Nordström and Rasmuson, 2006
Nordström, Fredrik L.; Rasmuson, Åke C., Phase equilibria and thermodynamics ofp-hydroxybenzoic acid, J. Pharm. Sci., 2006, 95, 4, 748-760, https://doi.org/10.1002/jps.20569 . [all data]

Gracin and Rasmuson, 2002
Gracin, Sandra; Rasmuson, Åke C., Solubility of Phenylacetic Acid, p -Hydroxyphenylacetic Acid, p -Aminophenylacetic Acid, p -Hydroxybenzoic Acid, and Ibuprofen in Pure Solvents, J. Chem. Eng. Data, 2002, 47, 6, 1379-1383, https://doi.org/10.1021/je0255170 . [all data]

Heath, Singh, et al., 1992
Heath, E.A.; Singh, P.; Ebisuzaki, Y., Structure of p-hydroxybenzoic acid and p-hydroxybenzoic acid-acetone complex (2/1), Acta Crystallogr Sect C Cryst Struct Commun, 1992, 48, 11, 1960-1965, https://doi.org/10.1107/S0108270192002361 . [all data]


Notes

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