salt of ferricyanic acid obtained by oxidation of a ferrocyanide

Ferricyanide is the name for the anion [Fe(CN)6]3−. Its systematic name is hexacyanoferrate(III) ion. The most common salt of this anion is potassium ferricyanide, a red crystalline material that is used as an oxidant in organic chemistry.

One of a complex series of double cyanides of ferric iron and some other base.