sodium propionate
- Formula: C3H5NaO2
- Molecular weight: 96.0604
- IUPAC Standard InChI: InChI=1S/C3H6O2.Na/c1-2-3(4)5;/h2H2,1H3,(H,4,5);/q;+1/p-1
- IUPAC Standard InChIKey: JXKPEJDQGNYQSM-UHFFFAOYSA-M
- CAS Registry Number: 137-40-6
- 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. - Species with the same structure:
- Other names: Sodium propanoate
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- Other data available:
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Phase change 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 as indicated in comments:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| Tfus | 562.4 | K | N/A | Ferloni, Sanesi, et al., 1975 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC |
| Quantity | Value | Units | Method | Reference | Comment |
| Ttriple | 561.88 | K | N/A | Franzosini, Westrum, et al., 1983 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kJ/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 3.209 | 467.00 | crystaline, III | crystaline, II | Franzosini, Westrum, et al., 1983, 2 | DH |
| 4.357 | 491.00 | crystaline, II | crystaline, I | Franzosini, Westrum, et al., 1983, 2 | DH |
| 13.2800 | 561.91 | crystaline, I | liquid | Franzosini, Westrum, et al., 1983, 2 | DH |
| 7.360 | 482. | crystaline, III | crystaline, I | Ferloni, Sanesi, et al., 1975, 2 | Taken as sum of data for transitions at 470 and 494 K at average temperature.; DH |
| 13.390 | 562.4 | crystaline, I | liquid | Ferloni, Sanesi, et al., 1975, 2 | DH |
Entropy of phase transition
| ΔStrs (J/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 6.87 | 467.00 | crystaline, III | crystaline, II | Franzosini, Westrum, et al., 1983, 2 | DH |
| 8.87 | 491.00 | crystaline, II | crystaline, I | Franzosini, Westrum, et al., 1983, 2 | DH |
| 23.63 | 561.91 | crystaline, I | liquid | Franzosini, Westrum, et al., 1983, 2 | DH |
| 15.3 | 482. | crystaline, III | crystaline, I | Ferloni, Sanesi, et al., 1975, 2 | Taken; DH |
| 23.8 | 562.4 | crystaline, I | liquid | Ferloni, Sanesi, et al., 1975, 2 | DH |
References
Go To: Top, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Ferloni, Sanesi, et al., 1975
Ferloni, P.; Sanesi, M.; Franzosini, P.,
Phase transitions in the alkali C1-n.C4 alkanoates,
Z. Naturforsch., A: Phys., Phys. Chem., Kosmophys., 1975, 30, 1447-57. [all data]
Franzosini, Westrum, et al., 1983
Franzosini, P.; Westrum, E.F.; Plautz, W.A.,
Thermmphysics of Metal Alkanoates, II. Heat Capacities and Thermodynamic Properties of Sodium Propanoate,
J. Chem. Thermodyn., 1983, 15, 609. [all data]
Franzosini, Westrum, et al., 1983, 2
Franzosini, P.; Westrum, E.F., Jr.; Plautz, W.A.,
Thermophysics of metal alkanoates. II. Heat capacities and thermodynamic properties of sodium propanoate,
J. Chem. Thermodynam., 1983, 15, 609-618. [all data]
Ferloni, Sanesi, et al., 1975, 2
Ferloni, P.; Sanesi, M.; Franzosini, P.; C4 alkanoates, Phase transitions in the alkali C1-n.,
Z. Naturforsch. 30a, 1975, 1447-1454. [all data]
Notes
Go To: Top, Phase change data, References
- Symbols used in this document:
Tfus Fusion (melting) point Ttriple Triple point temperature ΔHtrs Enthalpy of phase transition ΔStrs Entropy of phase transition - Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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