Propanoic acid
- Formula: C3H6O2
- Molecular weight: 74.0785
- IUPAC Standard InChI: InChI=1S/C3H6O2/c1-2-3(4)5/h2H2,1H3,(H,4,5)
- 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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Normal melting point
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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: Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
| Tfus (K) | Reference | Comment |
|---|---|---|
| 252.310 | Kohler, Atrops, et al., 1981 | Uncertainty assigned by TRC = 0.2 K; TRC |
| 252.9 | Costello and Bowden, 1958 | Uncertainty assigned by TRC = 0.6 K; TRC |
| 252.5 | Anonymous, 1957 | Uncertainty assigned by TRC = 0.6 K; TRC |
| 252.45 | Timmermans, 1952 | Uncertainty assigned by TRC = 0.5 K; TRC |
| 252.32 | Dreisbach and Martin, 1949 | Uncertainty assigned by TRC = 0.05 K; TRC |
| 252. | Timmermans, 1935 | Uncertainty assigned by TRC = 1.5 K; TRC |
| 252.35 | Timmermans, 1934 | Uncertainty assigned by TRC = 0.3 K; TRC |
| 248.7 | Altschul and Von Schneider, 1895 | Uncertainty assigned by TRC = 0.5 K; TRC |
References
Go To: Top, Normal melting point, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Kohler, Atrops, et al., 1981
Kohler, F.; Atrops, H.; Kalali, H.; Liebermann, E.; Wilhelm, E.; Ratkovics, F.; Salamon, T.,
Molecular Interactions in Mistures of Carboxylic Acids with Amines 1. Melting Curves adn Viscosities,
J. Phys. Chem., 1981, 85, 2520-4. [all data]
Costello and Bowden, 1958
Costello, J.M.; Bowden, S.T.,
The temperature variation of orthobaric density difference in liquid- vapour systems: IV fatty acids,
Recl. Trav. Chim. Pays-Bas, 1958, 77, 803. [all data]
Anonymous, 1957
Anonymous, R.,
, Am. Pet. Inst. Res. Proj. 6, Carnegie-Mellon Univ., 1957. [all data]
Timmermans, 1952
Timmermans, J.,
Freezing points of organic compounds. VVI New determinations.,
Bull. Soc. Chim. Belg., 1952, 61, 393. [all data]
Dreisbach and Martin, 1949
Dreisbach, R.R.; Martin, R.A.,
Physical Data on Some Organic Compounds,
Ind. Eng. Chem., 1949, 41, 2875-8. [all data]
Timmermans, 1935
Timmermans, J.,
Researches in Stoichiometry. I. The Heat of Fusion of Organic Compounds.,
Bull. Soc. Chim. Belg., 1935, 44, 17-40. [all data]
Timmermans, 1934
Timmermans, J.,
Theory of Concentrated Solutions XII.,
Bull. Soc. Chim. Belg., 1934, 43, 626. [all data]
Altschul and Von Schneider, 1895
Altschul, M.; Von Schneider, B.,
Freezing points of some organic fluids,
Z. Phys. Chem., Stoechiom. Verwandtschaftsl., 1895, 16, 24. [all data]
Notes
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- Symbols used in this document:
Tfus Fusion (melting) point - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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