Benzoic acid, 4-hydroxy-
- Formula: C7H6O3
- Molecular weight: 138.1207
- IUPAC Standard InChI: InChI=1S/C7H6O3/c8-6-3-1-5(2-4-6)7(9)10/h1-4,8H,(H,9,10)
- IUPAC Standard InChIKey: FJKROLUGYXJWQN-UHFFFAOYSA-N
- CAS Registry Number: 99-96-7
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
The 3d structure may be viewed using Java or Javascript. - Other names: Benzoic acid, p-hydroxy-; p-Hydroxybenzoic acid; p-Salicylic acid; Paraben-acid; 4-Carboxyphenol; 4-Hydroxybenzoic acid; para-Hydroxybenzoic acid; Hydroxybenzoic acid, para; Kyselina 4-hydroxybenzoova; NSC 4961; Paraben
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Gas 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 as indicated in comments:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DRB - Donald R. Burgess, Jr.
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -492.6 ± 2.2 | kJ/mol | Ccr | Sabbah and Le, 1993 | ALS |
| ΔfH°gas | -480.5 | kJ/mol | N/A | Colomina, Jimenez, et al., 1980 | Value computed using ΔfHsolid° value of -594.5±1.0 kj/mol from Colomina, Jimenez, et al., 1980 and ΔsubH° value of 114.0 kj/mol from Sabbah and Le, 1993.; DRB |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
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]
Colomina, Jimenez, et al., 1980
Colomina, M.; Jimenez, P.; Roux, M.V.; Turrion, C.,
Thermochemical properties of o-, m- and p-hydroxybenzoic acids,
J. Calorim. Anal. Therm., 1980, 11, 1-6. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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