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              Zinc sulfate

              Product Image
              Product Name Zinc sulfate
              Molecular formula ZnSO4·H2O,ZnSO4·7H2O
              Molecular weight 1Monohydrate: 179.49; Heptahydrate: 287.58
              CAS NO. Monohydrate: 7446-19-7; Heptahydrate: 7446-20-0
              Performance It is colorless or white crystalline powder, odourlessness. 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 harmfulless, lose crystal water in 280℃.
              Use It is used as food additives, animal feed, printing and dyeing, timber preservative.Used as analytical reagent.
              Package It is packed with polyethylene bag as liner and a compound plastic woven bag as the outer layer. The net weight of each bag is 25kg.
              Storage and transport: It should be stored in a dry, ventilative and clean warehouse; kept away from moisture and heat and stored separately from poisonous substances. Handled with care, so as to avoid damage to packing bags.

               

              Quality Index GB25579-2010
              Color Colorless or white
              Content     % ZnSO4.H2O 99.0-100.5
              ZnSO4.7H2O 99.0-108.7
              As    ≦% 0.0003
              Alkali metal ≦% 0.5
              Acidicty Pass test
              Se      ≦% 0.003
              Hg     ≦% 0.0001
              Pb     ≦% 0.0004
              Cd     ≦% 0.0002

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