Benzoic acid
- Formula: C7H6O2
- Molecular weight: 122.1213
- IUPAC Standard InChI: InChI=1S/C7H6O2/c8-7(9)6-4-2-1-3-5-6/h1-5H,(H,8,9)
- IUPAC Standard InChIKey: WPYMKLBDIGXBTP-UHFFFAOYSA-N
- CAS Registry Number: 65-85-0
- 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: Benzenecarboxylic acid; Benzeneformic acid; Benzenemethanoic acid; Benzoesaeure GK; Benzoesaeure GV; Carboxybenzene; Dracylic acid; Phenylcarboxylic acid; Phenylformic acid; Retarder BA; Retardex; Salvo, liquid; Solvo, powder; Tenn-Plas; Acide benzoique; Benzoic acid, tech.; Kyselina benzoova; Benzoesaeure; Salvo powder; E 210; HA 1; HA 1 (acid); Phenylcarboxy; Benzenemethonic acid; Diacylic acid; Flowers of benjamin; Flowers of benzoin; Oracylic acid; Retarder BAX; NSC 149
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Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.)
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:
AC - William E. Acree, Jr., James S. Chickos
ALS - Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| ΔsubH° (kJ/mol) | Method | Reference | Comment |
|---|---|---|---|
| 93.3 ± 1.2 | QCM | Freedman, Kebabian, et al., 2008 | AC |
| 90.4 ± 0.5 | ME | Ribeiro da Silva, Monte, et al., 2006 | Based on data from 299. - 317. K.; AC |
| 88.3 ± 0.5 | C | Kiyobayashi and Minas da Piedade, 2001 | AC |
| 89.3 ± 0.9 | N/A | Da Silva and Monte, 1990 | AC |
| 89.2 ± 1.0 | N/A | Torres-Gomez, Barreiro-Rodriguez, et al., 1988 | AC |
| 89.01 ± 0.33 | V | Malaspina, Gigli, et al., 1973 | ALS |
| 89.5 ± 0.2 | V | Morawetz, 1972 | ALS |
| 89.5 ± 0.2 | C | Morawetz, 1972, 2 | See also Beech and Lintonbon, 1971.; AC |
| 86.6 | V | Wiedemann, 1972 | ALS |
| 89.7 ± 0.6 | C | Chastel, Steckel, et al., 1969 | AC |
| 91.4 ± 0.4 | V | Davies and Jones, 1954 | ALS |
| 91.5 ± 0.5 | GS | Davies and Jones, 1954 | Based on data from 243. - 387. K. See also Cox and Pilcher, 1970 and Jones, 1960.; AC |
| 85.772 | V | Hirsbrunner, 1934 | ALS |
References
Go To: Top, Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Freedman, Kebabian, et al., 2008
Freedman, Andrew; Kebabian, Paul L.; Li, Ziman; Robinson, Wade A.; Wormhoudt, Joda C.,
Apparatus for determination of vapor pressures at ambient temperatures employing a Knudsen effusion cell and quartz crystal microbalance,
Meas. Sci. Technol., 2008, 19, 12, 125102, https://doi.org/10.1088/0957-0233/19/12/125102
. [all data]
Ribeiro da Silva, Monte, et al., 2006
Ribeiro da Silva, Manuel A.V.; Monte, Manuel J.S.; Santos, Luís M.N.B.F.,
The design, construction, and testing of a new Knudsen effusion apparatus,
The Journal of Chemical Thermodynamics, 2006, 38, 6, 778-787, https://doi.org/10.1016/j.jct.2005.08.013
. [all data]
Kiyobayashi and Minas da Piedade, 2001
Kiyobayashi, Tetsu; Minas da Piedade, Manuel E.,
The standard molar enthalpy of sublimation ofη5-bis-pentamethylcyclopentadienyl iron measured with an electrically calibrated vacuum-drop sublimation microcalorimetric apparatus,
The Journal of Chemical Thermodynamics, 2001, 33, 1, 11-21, https://doi.org/10.1006/jcht.2000.0716
. [all data]
Da Silva and Monte, 1990
Da Silva, Manuel A.V. Ribeiro; Monte, Manuel J.S.,
The construction, testing and use of a new knudsen effusion apparatus,
Thermochimica Acta, 1990, 171, 169-183, https://doi.org/10.1016/0040-6031(90)87017-7
. [all data]
Torres-Gomez, Barreiro-Rodriguez, et al., 1988
Torres-Gomez, L.A.; Barreiro-Rodriguez, G.; Galarza-Mondragon, A.,
A new method for the measurement of enthalpies of sublimation using differential scanning calorimetry,
Thermochim. Acta, 1988, 124, 229-233. [all data]
Malaspina, Gigli, et al., 1973
Malaspina, L.; Gigli, R.; Bardi, G.,
Microcalorimetric determination of the enthalpy of sublimation of benzoic acid and anthracene,
J. Chem. Phys., 1973, 59, 387-394. [all data]
Morawetz, 1972
Morawetz, E.,
Enthalpies of vaporization for a number of aromatic compounds,
J. Chem. Thermodyn., 1972, 4, 455. [all data]
Morawetz, 1972, 2
Morawetz, Ernst,
Enthalpies of vaporization for a number of aromatic compounds,
The Journal of Chemical Thermodynamics, 1972, 4, 3, 455-460, https://doi.org/10.1016/0021-9614(72)90029-8
. [all data]
Beech and Lintonbon, 1971
Beech, Graham; Lintonbon, Roger M.,
The measurement of sublimation enthalpies by differential scanning calorimetry,
Thermochimica Acta, 1971, 2, 1, 86-88, https://doi.org/10.1016/0040-6031(71)85027-X
. [all data]
Wiedemann, 1972
Wiedemann, H.G.,
Applications of thermogravimetry for vapor pressure determination,
Thermochim. Acta, 1972, 355-366. [all data]
Chastel, Steckel, et al., 1969
Chastel, R.; Steckel, F.; Tachoire, H.,
, Proceedings of the First International Conference on Calorimetry, Thermodynamics Polish Scientific, Warsaw, 1969. [all data]
Davies and Jones, 1954
Davies, M.; Jones, J.I.,
The sublimation pressures and heats of sublimation of some carboxylic acids,
Trans. Faraday Soc., 1954, 50, 1042. [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]
Jones, 1960
Jones, A.H.,
Sublimation Pressure Data for Organic Compounds.,
J. Chem. Eng. Data, 1960, 5, 2, 196-200, https://doi.org/10.1021/je60006a019
. [all data]
Hirsbrunner, 1934
Hirsbrunner, H.,
Uber das gleichgewicht der thermischen dissoziation der salicylsaure,
Helv. Chim. Acta, 1934, 17, 477-504. [all data]
Notes
Go To: Top, Enthalpy of sublimation at standard conditions (nominally 298.15 K, 1 atm.), References
- Symbols used in this document:
ΔsubH° Enthalpy of sublimation at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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