Benzoic acid, 3,4,5-trihydroxy-
- Formula: C7H6O5
- Molecular weight: 170.1195
- IUPAC Standard InChIKey: LNTHITQWFMADLM-UHFFFAOYSA-N
- CAS Registry Number: 149-91-7
- 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: Gallic acid; 3,4,5-Trihydroxybenzoic acid; Kyselina gallova; Kyselina 3,4,5-trihydroxybenzoova
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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 |
---|---|---|---|---|---|
ΔfH°solid | -1013. ± 5.0 | kJ/mol | Ccb | Lobanov and Karmanova, 1971 | |
Quantity | Value | Units | Method | Reference | Comment |
ΔcH°solid | -2600. ± 5.0 | kJ/mol | Ccb | Lobanov and Karmanova, 1971 | Corresponding ΔfHºsolid = -1013. kJ/mol (simple calculation by NIST; no Washburn corrections) |
Reaction thermochemistry data
Go To: Top, Condensed phase thermochemistry data, References, Notes
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
Note: Please consider using the reaction search for this species. This page allows searching of all reactions involving this species. A general reaction search form is also available. Future versions of this site may rely on reaction search pages in place of the enumerated reaction displays seen below.
Individual Reactions
By formula: C10H12O5 + H2O = C7H6O5 + C3H8O
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔrH° | -15.4 ± 6.6 | kJ/mol | Eqk | Tewari, Schantz, et al., 1996 | liquid phase; solvent: Toluene |
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.
Lobanov and Karmanova, 1971
Lobanov, G.A.; Karmanova, L.P.,
Enthalpy of formation of some organic substances,
Izv. Vyssh. Uchebn. Zaved., Khim. Khim. Tekhnol., 1971, 14, 865-867. [all data]
Tewari, Schantz, et al., 1996
Tewari, Y.B.; Schantz, M.M.; Rekharsky, M.V.; Goldberg, R.N.,
Thermodynamics of the hydrolysis of 3,4,5-trihydroxybenzoic acid propyl ester (n-propylgallate) to 3,4,5-trihydroxybenzoic acid (gallic acid) and propan-1-ol in aqueous media and in toluene,
J. Chem. Thermodyn., 1996, 28, 171-185. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, Reaction thermochemistry data, References
- Symbols used in this document:
ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions ΔrH° Enthalpy of reaction at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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