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(25/4℃) to litmus.Melting point is 100℃. It’s soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280℃.

   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.