Benzoylformic acid
- Formula: C8H6O3
- Molecular weight: 150.1314
- IUPAC Standard InChI: InChI=1S/C8H6O3/c9-7(8(10)11)6-4-2-1-3-5-6/h1-5H,(H,10,11)
- IUPAC Standard InChIKey: FAQJJMHZNSSFSM-UHFFFAOYSA-N
- CAS Registry Number: 611-73-4
- 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: Phenylglyoxylic acid; Benzeneacetic acid, α-oxo-; α-Ketophenylacetic acid; Benzeneglyoxylic acid; Formic acid, benzoyl-; Glyoxylic acid, phenyl-; Oxophenylacetic acid; Phenylgloxylic acid; 2-Oxo-2-phenylacetic acid
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Condensed phase thermochemistry 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
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°solid | -487.22 ± 0.80 | kJ/mol | Ccr | Steele, Chirico, et al., 1991 | ΔHfusion = 19.4±0.6 kJ/mol; ALS |
| Quantity | Value | Units | Method | Reference | Comment |
| ΔcH°solid | -3518.35 ± 0.70 | kJ/mol | Ccr | Steele, Chirico, et al., 1991 | ΔHfusion = 19.4±0.6 kJ/mol; Corresponding ΔfHºsolid = -487.22 kJ/mol (simple calculation by NIST; no Washburn corrections); ALS |
Constant pressure heat capacity of solid
| Cp,solid (J/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 192.9 | 298.15 | N/A | T = 285 to 425 K. C/R(c) = 0.025T + 15.78 (285 to 338.9 K); C/R(liq) = 0.0411T + 17.67 (338.9 to 425 K), R = 8.31451 J/mol*K.; DH |
References
Go To: Top, Condensed phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Steele, Chirico, et al., 1991
Steele, W.V.; Chirico, R.D.; Nguyen, A.; Hossenlopp, I.A.; Smith, N.K.,
DIPPR PROJECT 871: Determination of ideal-gas enthalpies of formation for key compounds: The 1989 project results,
J. Chem. Thermodyn., 1991, 101-134. [all data]
Notes
Go To: Top, Condensed phase thermochemistry data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid ΔcH°solid Enthalpy of combustion of solid at standard conditions ΔfH°solid Enthalpy of formation of solid at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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