Food Grade Zinc Sulphate

1 Chemical Name: Zinc sulfate
2 Molecular Formula : ZnSO4H2O, ZnSO47H2O
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(25/4C) to litmus. Melting point is 100ºC. It's soluble in water and glycerol, insoluble in ethanol and light toxicity, lose crystal water in 280C.
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.