Product under Wholesale, price is discounted according to quantity. Note that we pack the purchased amount together in 1 pack, no separate packing. Nickel sulfate, also known as nickelous sulfate, is a chemical compound. Its chemical formula is NiSO4. CAS :10101-97-0INCI: Nickel Sulfate Physical Properties :- Dissolve in Water - Blue to blue-green transparent crystals- odourless Uses: It is a chemical widely used in utensils, jewelry, coins, metal buttons, eyeglasses, paper clips, keys, enamel dyes.- Used to make other nickel compounds.- Used in the electroplating of nickel on metal objects.- Used as a source of nickel in fertilizers