Systematic name
Tripotassium cobalt(3+) hexacyanide
Other names, synonyms
Tripotassium hexacyanocobaltate; Tripotassium hexacyanocobaltate(III); Potassium cobalticyanine; Potassium cobalt cyanide
Molecular formula and structural formula of Potassium hexacyanocobaltate(III):
.png "Potassium hexacyanocobaltate(III)")
C6CoK3N6 or K3[Co(CN)6]
Mr = 332.3361 g/mol
Tripotassium cobalt(3+) hexacyanide
SMILES: [C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[C-]#N.[K+].[K+].[K+].[Co+3]
In its pure form, potassium hexacyanocobaltate(III) is a light yellow, odorless, crystalline solid.
Mass-related elemental composition and isotope proportions of the compound Potassium hexacyanocobaltate(III) - C6CoK3N6 - calculated based on molecular mass.
*) The third column lists the atomic masses or isotope masses of the elements involved and - in square brackets - the natural isotope composition.
The molar mass is M = 332.336094 grams per mole.
The amount of substance in one kilogram of the substance is n = 3.009 mol.
The amount of substance in one gram of the substance is n = 0.003 mol.
Monoisotopic mass: 331.84275698051 Da - related to 12C659Co39K314N6.
(General information without guarantee of accuracy and completeness! The information does not replace the chemical safety data sheet or a risk assessment, but rather provides a general overview of the risk posed by the hazardous substance.
Signal word: Danger
GHS hazard statements (H phrases):
LD50 (mouse, oral): 1529 mg/kg.
Labeling in the EU: See ECHA Substance Infocard 100.034.297.
The table below lists producers and suppliers of Potassium hexacyanocobaltate(III) as a commercial chemical for laboratories, research, industry and production with the corresponding contact details.
Last update: 2026-01-14
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