Benzoic acid, 3-amino-
- Formula: C7H7NO2
- Molecular weight: 137.1360
- IUPAC Standard InChIKey: XFDUHJPVQKIXHO-UHFFFAOYSA-N
- CAS Registry Number: 99-05-8
- 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-amino-; m-Aminobenzoic acid; m-Carboxyaniline; 3-Aminobenzoic acid; 3-Carboxyaniline; Aniline-3-carboxylic acid; Maba
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Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
DH - Eugene S. Domalski and Elizabeth D. Hearing
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
Tfus | 452.9 | K | N/A | Andrews, Lynn, et al., 1926 | Uncertainty assigned by TRC = 0.6 K; accompanied by some decomposition; TRC |
Quantity | Value | Units | Method | Reference | Comment |
ΔsubH° | 30.59 ± 0.76 | kcal/mol | V | Sabbah, Chastelet, et al., 1974 | ALS |
ΔsubH° | 30.6 ± 0.76 | kcal/mol | C | Sabbah, Chastel, et al., 1974 | See also Nabavian, Sabbah, et al., 1977.; AC |
Enthalpy of sublimation
ΔsubH (kcal/mol) | Temperature (K) | Method | Reference | Comment |
---|---|---|---|---|
29.2 ± 0.2 | 374.8 | TE | de Kruif, Voogd, et al., 1979 | AC |
29.2 ± 0.7 | 367. to 389. | C | Sabbah, Chastel, et al., 1974 | AC |
Enthalpy of fusion
ΔfusH (kcal/mol) | Temperature (K) | Reference | Comment |
---|---|---|---|
8.05 | 445.7 | Rotich, Glass, et al., 2001 | AC |
5.220 | 452.9 | Acree, 1991 | AC |
5.2199 | 452.9 | Andrews, Lynn, et al., 1926, 2 | DH |
Entropy of fusion
ΔfusS (cal/mol*K) | Temperature (K) | Reference | Comment |
---|---|---|---|
11.5 | 452.9 | Andrews, Lynn, et al., 1926, 2 | DH |
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.
Andrews, Lynn, et al., 1926
Andrews, D.H.; Lynn, G.; Johnston, J.,
The Heat Capacities and Heat of Crystallization of Some Isomeric Aromatic Compounds,
J. Am. Chem. Soc., 1926, 48, 1274. [all data]
Sabbah, Chastelet, et al., 1974
Sabbah, R.; Chastelet, R.; Laffitte, M.,
Thermodynamic de composès azotes. I. Etude calorimètrique des enthalpies de sublimation des trios acides aminobenzoïques,
Can. J. Chem., 1974, 52, 2201. [all data]
Sabbah, Chastel, et al., 1974
Sabbah, Raphaël; Chastel, Raymond; Laffitte, Marc,
Thermodynamique de composés azotés. I. Etude calorimétrique des enthalpies de sublimation des trois acides aminobenzoïques,
Can. J. Chem., 1974, 52, 12, 2201-2205, https://doi.org/10.1139/v74-319
. [all data]
Nabavian, Sabbah, et al., 1977
Nabavian, M.; Sabbah, R.; Chastel, R.; Laffitte, M.,
J. Chim. Phys.Phys.-Chim. Biol., 1977, 74, 115. [all data]
de Kruif, Voogd, et al., 1979
de Kruif, C.G.; Voogd, J.; Offringa, J.C.A.,
Enthalpies of sublimation and vapour pressures of 14 amino acids and peptides,
The Journal of Chemical Thermodynamics, 1979, 11, 7, 651-656, https://doi.org/10.1016/0021-9614(79)90030-2
. [all data]
Rotich, Glass, et al., 2001
Rotich, M.K.; Glass, B.D.; Brown, M.E.,
Journal of Thermal Analysis and Calorimetry, 2001, 64, 2, 681-688, https://doi.org/10.1023/A:1011584125859
. [all data]
Acree, 1991
Acree, William E.,
Thermodynamic properties of organic compounds: enthalpy of fusion and melting point temperature compilation,
Thermochimica Acta, 1991, 189, 1, 37-56, https://doi.org/10.1016/0040-6031(91)87098-H
. [all data]
Andrews, Lynn, et al., 1926, 2
Andrews, D.H.; Lynn, G.; Johnston, J.,
The heat capacities and heat of crystallization of some isomeric aromatic compounds,
J. Am. Chem. Soc., 1926, 48, 1274-1287. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point ΔfusH Enthalpy of fusion ΔfusS Entropy 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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