Benzoic acid, 4-chloro-
- Formula: C7H5ClO2
- Molecular weight: 156.566
- IUPAC Standard InChI: InChI=1S/C7H5ClO2/c8-6-3-1-5(2-4-6)7(9)10/h1-4H,(H,9,10)
- IUPAC Standard InChIKey: XRHGYUZYPHTUJZ-UHFFFAOYSA-N
- CAS Registry Number: 74-11-3
- 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, p-chloro-; p-Chlorbenzoic acid; p-Chlorobenzoic acid; Chlorodracylic acid; 4-Chlorobenzoic acid; Acido p-clorobenzoico; p-Carboxychlorobenzene
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Enthalpy of formation of solid at standard conditions (nominally 273.15 K, 1 atm.)
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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 by: Hussein Y. Afeefy, Joel F. Liebman, and Stephen E. Stein
| ΔfH°solid (kJ/mol) | Method | Reference | Comment |
|---|---|---|---|
| -427.3 ± 0.2 | Ccr | Sabbah and Rojas Aguilar, 1995 | HCl(1:600 H2O), see Sabbah and Rojas Aguilar, 1995, 2; ALS |
| -429.3 ± 1.6 | Ccr | Sabbah and Rojas Aguilar, 1995, 2 | ALS |
| -428.9 ± 1.0 | Ccr | Gromova, Smolyanets, et al., 1989 | Uc =-19573.2±4.9 J/g; ALS |
| -430.7 ± 1.2 | Ccr | An, Yan, et al., 1982 | ALS |
| -430.0 ± 1.8 | Ccr | Hajiev, Agarunov, et al., 1974 | ALS |
| -427.90 ± 0.80 | Ccr | Johnson and Prosen, 1974 | Reanalyzed by Cox and Pilcher, 1970, Original value = -428.16 ± 0.72 kJ/mol; ALS |
| -430. ± 1. | Ccr | Hu, Sinke, et al., 1972 | ALS |
| -427. ± 2. | Ccr | Bjellerup and Smith, 1954 | At 293, see Smith, Bjellerup, et al., 1953; ALS |
References
Go To: Top, Enthalpy of formation of solid at standard conditions (nominally 273.15 K, 1 atm.), Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Sabbah and Rojas Aguilar, 1995
Sabbah, R.; Rojas Aguilar, A.,
Etude thermodynamique des trois isomeres de l'acide chlorobenzoique. Partie II,
Can. J. Chem., 1995, 73, 1538-1545. [all data]
Sabbah and Rojas Aguilar, 1995, 2
Sabbah, R.; Rojas Aguilar, A.,
Combustion calorimetry on samples of mass about 5 mg of substances containing chlorine with a CRMT rocking-bomb calorimeter. Application to the study of p-chlorobenzoic acid,
J. Chem. Thermodyn., 1995, 27, 685-691. [all data]
Gromova, Smolyanets, et al., 1989
Gromova, T.I.; Smolyanets, R.I.; Rudakova, S.V.; Lyubarskii, M.V.,
Sulphur as a standard in combustion calorimetry. Heat of combustion of p-chlorobenzoic acid,
Russ. J. Phys. Chem. (Engl. Transl.), 1989, 63, 984-986. [all data]
An, Yan, et al., 1982
An, X.-W.; Yan, H.; Hu, R.-H.,
Determination of heats of combustion and enthalpies of formation of p-chlorobenzoic acid, squalane and perchloro-m-dicyanobenzene by means of rotating-bomb combustion calorimetry,
Acta Chim. Sin., 1982, 40, 713-719. [all data]
Hajiev, Agarunov, et al., 1974
Hajiev, S.N.; Agarunov, M.J.; Nurullaev, H.G.,
p-Chlorobenzoic acid. Determination of enthalpy of combustion in the presence of hydrazine dihydrochloride,
J. Chem. Thermodyn., 1974, 6, 713-725. [all data]
Johnson and Prosen, 1974
Johnson, W.H.; Prosen, E.J.,
The enthalpies of combustion and formation of the mono-chlorobenzoic acids,
J. Res. NBS, 1974, 78, 683-689. [all data]
Cox and Pilcher, 1970
Cox, J.D.; Pilcher, G.,
Thermochemistry of Organic and Organometallic Compounds, Academic Press, New York, 1970, 1-636. [all data]
Hu, Sinke, et al., 1972
Hu, A.T.; Sinke, G.C.; Mansson, M.; Ringner, B.,
Test substances for bomb combustion calorimetry. p-Chlorobenzoic acid,
J. Chem. Thermodyn., 1972, 4, 283-299. [all data]
Bjellerup and Smith, 1954
Bjellerup, L.; Smith, L.,
Heats of combustion of some organic chloro-compounds,
Kgl. Fysiograph. Sallskap. Lund Forh., 1954, 24, 1-13. [all data]
Smith, Bjellerup, et al., 1953
Smith, L.; Bjellerup, L.; Krook, S.; Westermark, H.,
Heats of combustion of organic chloro compounds determined by the "quartz wool" method,
Acta Chem. Scand., 1953, 7, 65. [all data]
Notes
Go To: Top, Enthalpy of formation of solid at standard conditions (nominally 273.15 K, 1 atm.), References
- Symbols used in this document:
ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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