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Benzoic acid, 2-amino-

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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
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
Tfus417.8KN/AAndrews, Lynn, et al., 1926Uncertainty assigned by TRC = 0.5 K; with possible decomposition; TRC
Quantity Value Units Method Reference Comment
Deltasub104.9 ± 1.0kJ/molVNabavian, Sabbah, et al., 1977Author was aware that data differs from previously reported values; ALS
Deltasub104.9 ± 1.0kJ/molVSabbah, Chastelet, et al., 1974ALS
Deltasub111.6 ± 1.7kJ/molN/AArnold and Jones, 1972AC

Enthalpy of fusion

DeltafusH (kJ/mol) Temperature (K) Reference Comment
20.5417.8Acree, 1991AC
20.380417.8Andrews, Lynn, et al., 1926, 2DH

Entropy of fusion

DeltafusS (J/mol*K) Temperature (K) Reference Comment
48.8417.8Andrews, Lynn, et al., 1926, 2DH

In addition to the Thermodynamics Research Center (TRC) data available from this site, much more physical and chemical property data is available from the following TRC products:


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]

Nabavian, Sabbah, et al., 1977
Nabavian, P.M.; Sabbah, R.; Chastel, R.; Laffitte, M., Thermodynamique de composes azotes. II. Etude thermochimique des acides aminobenzoiques, de la pyrimidine, de l'uracile et de la thymine., J. Chim. Phys., 1977, 74, 115-126. [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]

Arnold and Jones, 1972
Arnold, P.R.; Jones, F., Polymorphism in Anthranilic Acid Crystals---Examination by DTA and DSC, Molecular Crystals and Liquid Crystals, 1972, 19, 2, 133-140, https://doi.org/10.1080/15421407208083859 . [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

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