Propanoic acid
- Formula: C3H6O2
- Molecular weight: 74.0785
- IUPAC Standard InChIKey: XBDQKXXYIPTUBI-UHFFFAOYSA-N
- CAS Registry Number: 79-09-4
- 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: Propionic acid; Carboxyethane; Ethanecarboxylic acid; Ethylformic acid; Luprisol; Luprosil; Metacetonic acid; Prozoin; Pseudoacetic acid; C2H5COOH; Methylacetic acid; Acide propionique; Kyselina propionova; Propionic acid grain preserver; Sentry grain preserver; Tenox P grain preservative; UN 1848; MonoProp; Antischim B; Propkorn; Propcorn; n-Propionic acid
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Gas phase thermochemistry data
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 by: Donald R. Burgess, Jr.
Quantity | Value | Units | Method | Reference | Comment |
---|---|---|---|---|---|
ΔfH°gas | -455.8 ± 2.0 | kJ/mol | N/A | Lebedeva, 1964 | Value computed using ΔfHliquid° value of -510.8±0.1 kj/mol from Lebedeva, 1964 and ΔvapH° value of 55±2 kj/mol from missing citation. |
ΔfH°gas | -455.8 ± 2.0 | kJ/mol | Ccb | Lebedeva, 1964 | Value computed using ΔfHliquid° from Lebedeva, 1964 and ΔvapH° value of 55. kJ/mol from Konicek and Wadso, 1970. |
ΔfH°gas | -455.0 ± 3.2 | kJ/mol | Ccb | Schjanberg, 1935 | Value computed using ΔfHliquid° from Schjanberg, 1935 and ΔvapH° value of 55. kJ/mol from Konicek and Wadso, 1970. estimated uncertainty |
References
Go To: Top, Gas phase thermochemistry data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Lebedeva, 1964
Lebedeva, N.D.,
Heats of combustion of monocarboxylic acids,
Russ. J. Phys. Chem. (Engl. Transl.), 1964, 38, 1435-1437. [all data]
Konicek and Wadso, 1970
Konicek, J.; Wadso, I.,
Enthalpies of vaporization of organic compounds. VII. Some carboxylic acids,
Acta Chem. Scand., 1970, 24, 2612-26. [all data]
Schjanberg, 1935
Schjanberg, E.,
Die Verbrennungswarmen und die Refraktionsdaten einiger chlorsubstituierter Fettsauren und Ester.,
Z. Phys. Chem. Abt. A, 1935, 172, 197-233. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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