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              Professional food additive production supplier

              Work hard to promote the accelerated development
              of the food ingredient industry


              Zidong Food

              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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