1,Chemical Name:  Zinc sulfate
2,Molecular Formula : ZnSO4.H2O,  ZnSO4.7H2O
3,Molecular Weight: 179.48(Monohydrate), 287.54(Heptahydrate)
4,CAS: 7446-19-7(H2O);7446-20-0 (7H2O)
5,Character: It is colorless or white crystalline powder, odorlessness. Efflorescence in air. Acid hydrometer is 1.957(25/4ºC) to litmus. Melting point is 100ºC. It's soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280ºC.
   6,Usage: It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
   7,Packing: It is packed with polythene bag as the inner layer, and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
8,Storage and Transport: It should be stored in a dry and ventilative warehouse; kept away form water and moisture during transport; unloaded with care, so as to avoid damage to bags. Furthermore, it should be stored separately from poisonous substances.