Dortmund Data Bank

Melting Point of Potassium chloride

The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.


Formula Molar Mass CAS Registry Number Name
ClK 74.551 7447-40-7 Potassium chloride
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Data Table

T [K] P [kPa] State Reference
1041.15   Solid-Liquid 1
1043.15   Solid-Liquid 5
1043.15 100.000 Solid-Liquid 4
1047.00 101.325 Solid-Liquid 2
1056.15 50000.000 Solid-Liquid 4
1068.15 100000.000 Solid-Liquid 4
1081.15 150000.000 Solid-Liquid 4
1094.15 200000.000 Solid-Liquid 4

List of References

Number Source
1 Yamada M.; Tago M.; Fukusako S.; Horibe A.: Melting Point and Supercooling Characteristics of Molten Salt. Thermochim.Acta 218 (1993) 401-411
2 Wang S.; Reddy R.G.: Experimental Determination of Vapor Pressures of KCl. Proceedings of the Ninth International Symposium on Molten Salts 94-13 (1994) 146-155
3 Jaeger F.M.: Über die Temperaturabhängigkeit der molekularen freien Oberflächenenergie von Flüssigkeiten im Temperaturbereich von -80°C bis +1650°C. Z.Anorg.Allg.Chem. 101 (1917) 1-214
4 Chou I.-M.; Sterner S.M.; Pitzer K.S.: IV. Differential Thermal Analysis of the Sylvite Liquidus in the KCl-H2O Binary, the Liquidus in the NaCl-KCl-H2O Ternary, and the Solidus in the NaCl-KCl Binary to 2 Kilobars Pressure, and a Summary of Experimental Data for Thermodynamic-PTX Analysis of Solid-Liquid Equilibria at Elevated P-T Conditions. Geochim.Cosmochim.Acta 56 (1992) 2281-2293
5 Marchidan D.I.; Gambino M.: Enthalpie de Fusion des Melanges Binaires de quelques Halogenures Alcalins. Bull.Soc.Chim.Fr. 6 (1966) 1954-1956
6 Yastrebova L.F.; Borina A.F.; Ravich M.I.: Solubility of Calcium Molybdate and Tungstate in Aqueous Potassium and Sodium Chlorides at High Temperatures. Russ.J.Inorg.Chem. 8 (1963) 105-110

Pure Component Data Overview