Benzoic acid, 4-fluoro-
- Formula: C7H5FO2
- Molecular weight: 140.1118
- IUPAC Standard InChI:
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- IUPAC Standard InChIKey: BBYDXOIZLAWGSL-UHFFFAOYSA-N
- CAS Registry Number: 456-22-4
- Chemical structure:
This structure is also available as a 2d Mol file or as a computed 3d SD file
- Other names: Benzoic acid, p-fluoro-; p-Fluorobenzoic acid; 4-Fluorobenzoic acid; para-Fluorobenzoic acid
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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:
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
AC - William E. Acree, Jr., James S. Chickos
|subH°||91.3 ± 3.0||kJ/mol||V||Cox, Gundry, et al., 1969||ALS|
|subH°||93.1 ± 3.8||kJ/mol||N/A||Cox, Gundry, et al., 1969||See also Monte and Hillesheim, 2000.; AC|
Enthalpy of sublimation
|subH (kJ/mol)||Temperature (K)||Method||Reference||Comment|
|91.2 ± 1.3||370.||GS||Cox, Gundry, et al., 1969||Based on data from 358. - 382. K. See also Cox and Pilcher, 1970 and Stephenson and Malanowski, 1987.; AC|
Enthalpy of fusion
|fusH (kJ/mol)||Temperature (K)||Reference||Comment|
|20.9||451.2||Kang and Samulski, 2000||AC|
Go To: Top, Phase change data, Notes
Cox, Gundry, et al., 1969
Cox, J.D.; Gundry, H.A.; Harrop, D.; Head, A.J., Thermodynamic properties of fluorine compounds. 9. Enthalpies of formation of some compounds containing the pentafluorophenyl group, J. Chem. Thermodyn., 1969, 1, 77-87. [all data]
Monte and Hillesheim, 2000
Monte, Manuel J.S.; Hillesheim, Dorothea M., Thermodynamic study on the sublimation of the three iodobenzoic acids and of 2-fluoro- and 3-fluorobenzoic acids, The Journal of Chemical Thermodynamics, 2000, 32, 12, 1727-1735, https://doi.org/10.1006/jcht.2000.0705 . [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G., Thermochemistry of Organic and Organometallic Compounds, Academic Press Inc., London, 1970, 643. [all data]
Stephenson and Malanowski, 1987
Stephenson, Richard M.; Malanowski, Stanislaw, Handbook of the Thermodynamics of Organic Compounds, 1987, https://doi.org/10.1007/978-94-009-3173-2 . [all data]
Kang and Samulski, 2000
Kang, Seung Koo; Samulski, Edward T., Liquid crystals comprising hydrogen-bonded organic acids I. Mixtures of non-mesogenic acids, Liquid Crystals, 2000, 27, 3, 371-376, https://doi.org/10.1080/026782900202822 . [all data]
Go To: Top, Phase change data, References
- Symbols used in this document:
fusH Enthalpy of fusion subH Enthalpy of sublimation subH° Enthalpy of sublimation at standard conditions
- Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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