P 1946 (OTTO) Platinum(IV) chloride, 99%, Cas 13454-96-1 - used as a catalyst and analytical reagent. P 1946 (OTTO) Platinum(IV) chloride, 99%, Cas 13454-96-1 - used in the production of semiconductor epitaxy and in electroplating process. It is involved in the preparation of platinum(II) chloride.