Acetic acid, sodium salt

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Condensed 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 by: Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
solid,1 bar138.10J/mol*KN/AFranzosini, Plautz, et al., 1983 
solid,1 bar123.09J/mol*KN/AStrelkev, 1955 

Constant pressure heat capacity of solid

Cp,solid (J/mol*K) Temperature (K) Reference Comment
100.83298.15Franzosini, Plautz, et al., 1983T = 7 to 350 K.
111.7340.Ferloni, Sanesi, et al., 1975crystaline, IV phase; T = 340 to 610 K.
88.07291.18Strelkev, 1955T = 13 to 292 K. Value is unsmoothed experimental datum.

Phase change 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:
TRC - Thermodynamics Research Center, NIST Boulder Laboratories, Chris Muzny director
DH - Eugene S. Domalski and Elizabeth D. Hearing

Quantity Value Units Method Reference Comment
Tfus601.3KN/AFerloni, Sanesi, et al., 1975, 2Crystal phase 1 phase; Uncertainty assigned by TRC = 0.2 K; TRC

Temperature of phase transition

Ttrs (K) Initial Phase Final Phase Reference Comment
21.crystaline, IIcrystaline, IFranzosini, Plautz, et al., 1983S = 12.5 J/mol*K Questionable second-order transition.; DH

Enthalpy of phase transition

ΔHtrs (kJ/mol) Temperature (K) Initial Phase Final Phase Reference Comment
0.290414.crystaline, IVcrystaline, IIIFerloni, Sanesi, et al., 1975DH
0.420465.crystaline, IIIcrystaline, IIFerloni, Sanesi, et al., 1975DH
0.170527.crystaline, IIcrystaline, IFerloni, Sanesi, et al., 1975DH
17.950601.3crystaline, IliquidFerloni, Sanesi, et al., 1975DH

Entropy of phase transition

ΔStrs (J/mol*K) Temperature (K) Initial Phase Final Phase Reference Comment
0.7414.crystaline, IVcrystaline, IIIFerloni, Sanesi, et al., 1975DH
0.8465.crystaline, IIIcrystaline, IIFerloni, Sanesi, et al., 1975DH
0.3527.crystaline, IIcrystaline, IFerloni, Sanesi, et al., 1975DH
29.9601.3crystaline, IliquidFerloni, Sanesi, et al., 1975DH

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Mass spectrum (electron ionization)

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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: NIST Mass Spectrometry Data Center, William E. Wallace, director

Spectrum

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Owner NIST Mass Spectrometry Data Center
Collection (C) 2014 copyright by the U.S. Secretary of Commerce
on behalf of the United States of America. All rights reserved.
Origin E. White V, SmithKline Corp.
NIST MS number 353306

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References

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Data compilation copyright by the U.S. Secretary of Commerce on behalf of the U.S.A. All rights reserved.

Franzosini, Plautz, et al., 1983
Franzosini, P.; Plautz, W.A.; Westrum, E.F., Jr., Thermophysics of metal alkanoates. I. Heat capacities and thermodynamic properties of sodium methanoate and ethanoate, J. Chem. Thermodynam., 1983, 15, 445-456. [all data]

Strelkev, 1955
Strelkev, I.I., Specific heat and entropy of sodium acetate, Ukr. Khim. Zh. (Russ. Ed.), 1955, 21, 551-553. [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]


Notes

Go To: Top, Condensed phase thermochemistry data, Phase change data, Mass spectrum (electron ionization), References