Salicylic acid
- Formula: C7H6O3
- Molecular weight: 138.1207
- IUPAC Standard InChI: InChI=1S/C7H6O3/c8-6-4-2-1-3-5(6)7(9)10/h1-4,8H,(H,9,10)
- IUPAC Standard InChIKey: YGSDEFSMJLZEOE-UHFFFAOYSA-N
- CAS Registry Number: 69-72-7
- 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, 2-hydroxy-; o-Hydroxybenzoic acid; Phenol-2-carboxylic acid; Psoriacid-S-Stift; Retarder W; Rutranex; Salicylic acid collodion; Salonil; 2-Hydroxybenzoic acid; Acido salicilico; Keralyt; Kyselina 2-hydroxybenzoova; Kyselina salicylova; Orthohydroxybenzoic acid; Duoplant; Freezone; Ionil; Saligel; Compound W; 2-Hydroxybenzenecarboxylic acid; 2-Carboxyphenol; o-Carboxyphenol; Advanced pain relief callus removers; Advanced pain relief corn removers; Clear away wart remover; Dr. Scholl's Callus Removers; Dr. Scholl's Corn Removers; Dr. Scholl's Wart Remover Kit; Duofil Wart Remover; Ionil plus; Salicylic acid soap; Stri-Dex; Benzoic acid, o-hydroxy-; NSC 180; Trans-Ver-Sal; Domerine; Duofilm; Fostex; Pernox; Salicylic acid & Sulfur Soap; Sebucare; Sebulex; component of Fostex medicated bar and cream; component of Keralyt; Retarder SAX; component of Solarcaine first aid spray; component of Tinver; 7681-06-3; 8052-31-1; Salicyclic acid; Domerine (Salt/Mix); Duofilm (Salt/Mix); Fostex (Salt/Mix); Pernox (Salt/Mix); Salicylic acid & Sulfur Soap (Salt/Mix); Sebucare (Salt/Mix); Sebulex (Salt/Mix); component of Fostex medicated bar and cream (Salt/Mix); component of Keralyt (Salt/Mix); Retarder SAX (Salt/Mix); component of Solarcaine first aid spray (Salt/Mix); component of Tinver (Salt/Mix)
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Condensed phase thermochemistry 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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -592.1 ± 1.3 | kJ/mol | Ccr | Sabbah and Le, 1993 | ALS |
| ΔfH°solid | -589.7 ± 1.1 | kJ/mol | Ccb | Colomina, Jimenez, et al., 1980 | ALS |
| ΔfH°solid | -585.3 | kJ/mol | Ccb | Verkade, 1932 | ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3025. ± 5. | kJ/mol | AVG | N/A | Average of 12 values; Individual data points |
| Quantity | Value | Units | Method | Reference | Comment |
| S°solid,1 bar | 172.4 | J/mol*K | N/A | Rabinovich, Sheiman, et al., 1986 | DH |
| S°solid,1 bar | 178.2 | J/mol*K | N/A | Parks and Light, 1934 | Extrapolation below 90 K, 57.32 J/mol*K.; DH |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 160.9 | 298.15 | Rabinovich, Sheiman, et al., 1986 | T = 5 to 460 K.; DH |
| 104.2 | 293. | Campbell and Campbell, 1940 | DH |
| 159.4 | 288.6 | Parks and Light, 1934 | T = 96 to 289 K. Value is unsmoothed experimental datum.; DH |
References
Go To: Top, Condensed 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]
Verkade, 1932
Verkade, P.-E.,
L'acide salicylique comme substance-etalon secondaire de calorimetrie,
J. Chim. Phys., 1932, 29, 297-301. [all data]
Rabinovich, Sheiman, et al., 1986
Rabinovich, I.B.; Sheiman, M.S.; Kamelova, G.P.; Nistratov, V.P.,
Heat capacity and thermodynamic functions of salicylic acid, 1986, Termodinam. [all data]
Parks and Light, 1934
Parks, G.S.; Light, D.W.,
Thermal data on organic compounds. XIII. The heat capacities and entropies of n-tetradecane and the hydroxybenzoic acids. The relative free energies of some benzenoid position isomers,
J. Am. Chem. Soc., 1934, 56, 1511-1513. [all data]
Campbell and Campbell, 1940
Campbell, A.N.; Campbell, A.J.R.,
The heats of solution, heats of formation,
specific heats and equilibrium diagrams of certain molecular compounds. J. Am. Chem. Soc., 1940, 62, 291-297. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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