chemical name: Zinc sulfate English name: Zinc Sulfate Molecular formula: ZnSO 4 .H 2 O, ZnSO 4 .7H 2 O Molecular weight: 179.49 (one water), 287.58 (seven water) CAS NO: 7446-19-7 (one water); 7446-20-0 (seven water) performance: Colorless crystals, small needle-like or granular crystalline powder, odorless, will weather in the air. The solution is acidic to litmus with a specific gravity of 1.957 (25/4�°C), a melting point of 100�°C and loss of 7H2O at 280�°C, soluble in water and glycerol, insoluble in alcohol, and low toxicity. use: Food supplements, animal feed, mordants, wood preservatives, analytical reagents. Package: Lined with polyethylene plastic bags, outer plastic woven bags, 25Kg per bag. Storage and Transportation: It should be stored in a dry, ventilated and clean warehouse, lightly packed and handled to prevent moisture and heat, prevent rain and moisture during transportation, and should be separated from toxic items.