Sodium Bi/ Di Chromate is a red or orange crystalline, chemical compound with the formula Na2Cr207. The Sodium Bi/ Di Chromate is water soluble and insoluble in alcohol. The Sodium Bi/ Di Chromate is the basic requirement for the preparation of all chromium compounds. The Sodium Bi/ Di Chromate is used as an oxidizing agent in the manufacture of dyes and inks.