... output:20000MT3,CAS No. 7758-99-8Copper sulphate pentahydrateProduct Name: Copper sulphate pentahydratel Formula: CuSO4.5H2O l HS Code: 2833250000l ... (3) Chemical industry: used in the manufacture of copper salt leaching,copper chloride,cuprous chloride and cuprous oxide,etc.(4) Dyestuff ... such as US dollars, the pound, euro, and other currencies, to minimize the risk of the exchange rate for dollars ...