Potassium hexacyanochromate(III)

Potassium hexacyanochromate(III) is an inorganic compound with the formula K3[Cr(CN)6]. It consists of three potassium cations and [Cr(CN)6]3− anion. It is a yellow, air-stable, paramagnetic solid. It is isomorphous with potassium ferricyanide.

Potassium hexacyanochromate(III)
Names
IUPAC name
Potassium hexacyanochromate(III)
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.033.694
EC Number
  • 237-079-8
MeSH Hexacyanochromate
Properties
C6CrK3N6
Molar mass 325.399 g·mol−1
Appearance Vivid, yellow, opaque crystals
Density 1.71 g/cm3
30.96 g/l00 mL (20° C)
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

The salt is prepared by treating chromium(III) salts with KCN.[1][2]

References

  1. F. Hein, S. Herzog. "Potassium Hexacyanochromate (III)". In G. Brauer (ed.). Handbook of Preparative Inorganic Chemistry. 2 (2 ed.). p. 1373.CS1 maint: uses authors parameter (link)
  2. Cruser, Frederick Van Dyke; Miller, Edmund H. (1906). "The insoluble Chromicyanides". J. Am. Chem. Soc. 28 (9): 1132–51. doi:10.1021/ja01975a003.
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