BASIC INFORMATION: CAS No.: 7446-20-0   H.S. Code: 28332930  EINECS NO.: 231-793-3  Formula: ZnSO4•7H2O  Other name: zinc sulfate,zinc sulphate,zinc sulphate hepta,zinc sulfate hepta,white vitriol,salt of vitriolSPECIFICATION: Zn: 21.5% min   Pb: 10 ppm max  As: 5 ppm max  Cd: 10 ppm max  Size: Crystalline powder USAGES:1.Zinc sulfate is used as trace element fertilizer to prevent crops from Zn deficiency and increase crop yields. Now more and more farmers apply micronutrient fertilizers such as zinc sulfate.2.It can be used as feed additive to supply trace element, prevent and cure some diseases because of zinc deficiency and prevent premature death. It also can increase appetite, control blood disorders and bone disease.3.In industry field, zinc sulfate works as coagulator for man made fibril, and mordant in dyeing and printing industry;

Industry Grade/Technical Grade Zinc Sulfate Heptahydrate