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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Condensed phase thermochemistry data
Go To: Top, Phase change data, 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: Eugene S. Domalski and Elizabeth D. Hearing
| Quantity | Value | Units | Method | Reference | Comment |
|---|---|---|---|---|---|
| S°solid,1 bar | 36.35 | cal/mol*K | N/A | Franzosini, Westrum, et al., 1983 |
Constant pressure heat capacity of solid
| Cp,solid (cal/mol*K) | Temperature (K) | Reference | Comment |
|---|---|---|---|
| 32.12 | 298.15 | Franzosini, Westrum, et al., 1983 | T = 9 to 580 K. |
| 35.90 | 340. | Ferloni, Sanesi, et al., 1975 | crystaline, III phase; T = 340 to 570 K. |
Phase change data
Go To: Top, Condensed phase thermochemistry data, 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, 2 | 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, 2 | Crystal phase 1 phase; Uncertainty assigned by TRC = 0.03 K; TRC |
Enthalpy of phase transition
| ΔHtrs (kcal/mol) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 0.7670 | 467.00 | crystaline, III | crystaline, II | Franzosini, Westrum, et al., 1983 | DH |
| 1.041 | 491.00 | crystaline, II | crystaline, I | Franzosini, Westrum, et al., 1983 | DH |
| 3.17400 | 561.91 | crystaline, I | liquid | Franzosini, Westrum, et al., 1983 | DH |
| 1.759 | 482. | crystaline, III | crystaline, I | Ferloni, Sanesi, et al., 1975 | Taken as sum of data for transitions at 470 and 494 K at average temperature.; DH |
| 3.2003 | 562.4 | crystaline, I | liquid | Ferloni, Sanesi, et al., 1975 | DH |
Entropy of phase transition
| ΔStrs (cal/mol*K) | Temperature (K) | Initial Phase | Final Phase | Reference | Comment |
|---|---|---|---|---|---|
| 1.64 | 467.00 | crystaline, III | crystaline, II | Franzosini, Westrum, et al., 1983 | DH |
| 2.12 | 491.00 | crystaline, II | crystaline, I | Franzosini, Westrum, et al., 1983 | DH |
| 5.648 | 561.91 | crystaline, I | liquid | Franzosini, Westrum, et al., 1983 | DH |
| 3.66 | 482. | crystaline, III | crystaline, I | Ferloni, Sanesi, et al., 1975 | Taken; DH |
| 5.69 | 562.4 | crystaline, I | liquid | Ferloni, Sanesi, et al., 1975 | DH |
References
Go To: Top, Condensed phase thermochemistry data, Phase change data, Notes
Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.
Franzosini, Westrum, et al., 1983
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
Ferloni, P.; Sanesi, M.; Franzosini, P.; C4 alkanoates, Phase transitions in the alkali C1-n.,
Z. Naturforsch. 30a, 1975, 1447-1454. [all data]
Ferloni, Sanesi, et al., 1975, 2
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, 2
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]
Notes
Go To: Top, Condensed phase thermochemistry data, Phase change data, References
- Symbols used in this document:
Cp,solid Constant pressure heat capacity of solid S°solid,1 bar Entropy of solid at standard conditions (1 bar) 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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