potassium ferrocyanide

noun Chemistry.

a lemon-yellow, crystalline, water-soluble solid, K4Fe(CN)6⋅3H2O, used chiefly in casehardening alloys having an iron base and in dyeing wool and silk.
Also called yellow prussiate of potash.
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British Dictionary definitions for potassium ferrocyanide

potassium ferrocyanide


a yellow soluble crystalline compound used in case-hardening steel and making dyes and pigments. Formula: K 4 Fe(CN) 6Also called: potassium hexacyanoferrate (II), yellow prussiate of potash
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