Acetic acid, potassium salt

• Formula: C₂H₃KO₂
• Molecular weight: 98.1423
• IUPAC Standard InChI: InChI=1S/C2H4O2.K/c1-2(3)4;/h1H3,(H,3,4);/q;+1/p-1 Copy

  
• IUPAC Standard InChIKey: SCVFZCLFOSHCOH-UHFFFAOYSA-M Copy
• CAS Registry Number: 127-08-2
• Chemical structure:
  This structure is also available as a 2d Mol file or as a computed 3d SD file
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• Species with the same structure:
  • Acetic acid, potassium salt
  • Acetic acid, potassium salt
• Other names: Potassium acetate
• Information on this page:
  • Phase change data
  • References
  • Notes
• Other data available:
  • Condensed phase thermochemistry data
  • Mass spectrum (electron ionization)
• Data at other public NIST sites:
  • X-ray Photoelectron Spectroscopy Database, version 5.0
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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

Temperature of phase transition

Enthalpy of phase transition

Entropy of phase transition

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.

Ngeyi, Malik, et al., 1990
Ngeyi, S.P.; Malik, I.; Westrum, E.F., Thermodyanamics of alkali alkanoates VII. Heat capacity and thermodynamic functions of potassium acetate from 4 to 585 K, J. Chem. Thermodynam., 1990, 22, 91-98. [all data]

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]

House and Kemper, 1990
House, J.H.; Kemper, K.A., Phase transitions and their thermal hysteresis in anhydrous potassium acetate, Thermochim. Acta, 1990, 162(2), 325-331. [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
  Ttrs	Temperature of phase transition
  ΔHtrs	Enthalpy of phase transition
  ΔStrs	Entropy of phase transition

• Data from NIST Standard Reference Database 69: NIST Chemistry WebBook
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