Benzoic acid, 3-hydroxy-
- Formula: C7H6O3
- Molecular weight: 138.1207
- IUPAC Standard InChIKey: IJFXRHURBJZNAO-UHFFFAOYSA-N
- CAS Registry Number: 99-06-9
- 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, m-hydroxy-; m-Hydroxybenzoic acid; m-Salicylic acid; 3-Carboxyphenol; 3-Hydroxybenzoic acid; meta-Hydroxybenzoic acid; Acido m-idrossibenzoico; m-Hba; Kyselina 3-hydroxybenzoova; NSC 55746
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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, Chris Muzny 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 |
---|---|---|---|---|---|
Tfus | 472. | K | N/A | Mayer, Howell, et al., 1990 | Uncertainty assigned by TRC = 1.5 K; TRC |
Tfus | 364. | K | N/A | Kuhn and Dury, 1951 | Uncertainty assigned by TRC = 3. K; TRC |
Tfus | 472. | K | N/A | King, McWhirter, et al., 1945 | Uncertainty assigned by TRC = 6. K; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 28.27 ± 0.26 | kcal/mol | C | Pinto, Diogo, et al., 2005 | AC |
ΔsubH° | 29.87 ± 0.18 | kcal/mol | C | Sabbah and Le, 1993 | ALS |
ΔsubH° | 29.88 | kcal/mol | N/A | Sabbah and Le, 1993 | DRB |
ΔsubH° | 29.88 ± 0.18 | kcal/mol | N/A | Sabbah and Le, 1993 | AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.52 ± 0.18 | 363. | C | Sabbah and Le, 1993 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.72 | 476.4 | Pinto, Diogo, et al., 2005 | AC |
6.26 | 475.1 | Domalski and Hearing, 1996 | See also Sabbah and Le, 1993.; AC |
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.
Mayer, Howell, et al., 1990
Mayer, M.M.; Howell, W.J.; Tomasko, D.L.; Eckert, C.A.,
Solid-solid Equilibria in the Systems Thianthrene + Phenanthrene, Salicylic Acid + Phenanthrene, and 3-Hydroxybenzoic Acid + Phenanthrene,
J. Chem. Eng. Data, 1990, 35, 446. [all data]
Kuhn and Dury, 1951
Kuhn, R.; Dury, K.,
6-Acetylsalicylic acid,
Chem. Ber., 1951, 84, 848-50. [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]
Domalski and Hearing, 1996
Domalski, Eugene S.; Hearing, Elizabeth D.,
Heat Capacities and Entropies of Organic Compounds in the Condensed Phase. Volume III,
J. Phys. Chem. Ref. Data, 1996, 25, 1, 1, https://doi.org/10.1063/1.555985
. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔsubH Enthalpy of sublimation ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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