cas no 13943-58-3 (anhydrous), 14459-95-1 (trihydrate) Tetrapotassium hexakis Ferrate; Yellow Prussiate of potash; KFCT; Potassium ferrocyanide(II) trihydrate; Potassium ferrocyanide trihyrate; Potassium Hexacyanoferrate(II)Trihydrate; Yellow potash Prussiate;