Butanoic acid
- Formula: C4H8O2
- Molecular weight: 88.1051
- IUPAC Standard InChI: InChI=1S/C4H8O2/c1-2-3-4(5)6/h2-3H2,1H3,(H,5,6)
- IUPAC Standard InChIKey: FERIUCNNQQJTOY-UHFFFAOYSA-N
- CAS Registry Number: 107-92-6
- 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: Butyric acid; n-Butanoic acid; n-Butyric acid; Ethylacetic acid; Propylformic acid; 1-Butyric acid; 1-Propanecarboxylic acid; n-C3H7COOH; Propanecarboxylic acid; Butanic acid; Buttersaeure; Kyselina maselna; UN 2820; 1-Butanoic acid; NSC 8415
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Gas 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:
DRB - Donald R. Burgess, Jr.
GT - Glushko Thermocenter, Russian Academy of Sciences, Moscow
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| ΔfH°gas | -475.9 ± 4.0 | kJ/mol | N/A | Lebedeva, 1964 | Value computed using ΔfHliquid° value of -533.92±0.59 kj/mol from Lebedeva, 1964 and ΔvapH° value of 58±4 kj/mol from missing citation.; DRB |
| ΔfH°gas | -475.9 ± 4.0 | kJ/mol | Ccb | Lebedeva, 1964 | Value computed using ΔfHliquid° from Lebedeva, 1964 and ΔvapH° value of 58. kJ/mol from Konicek and Wadso, 1970.; DRB |
| Quantity | Value | Units | Method | Reference | Comment |
| S°gas | 353.26 | J/mol*K | N/A | Stull D.R., 1969 | See [ Stull D.R., 1969], acrylic acid, C3H4O2.; GT |
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]
Stull D.R., 1969
Stull D.R., Jr.,
The Chemical Thermodynamics of Organic Compounds. Wiley, New York, 1969. [all data]
Notes
Go To: Top, Gas phase thermochemistry data, References
- Symbols used in this document:
S°gas Entropy of gas at standard conditions ΔfH°gas Enthalpy of formation of gas at standard conditions - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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