The chemical Potassium ferricyanide has a designated molecular formula of C6FeK3N6 and a molecular weight of 329.248 g/mol. Synonyms may include: AI3-09090, CCRIS 5559, EINECS 237-323-3, Ferrate(3-), hexakis(cyano-C)-, tripotassium, (OC-6-11)-, Iron potassium cyanide, Potassium cyanoferrate, Potassium ferricyanate, Red prussiate, Tripotassium ferric hexacyanide (ChemID).