... in feed/ food additive zinc sulfateZnSO4 is a colorless crystalline, water-soluble. The hydrated form, ZnSO4·7H2O, the mineral , was historically ... Weight: 179.445 Properties: White free flowing powder, soluble in water, slightly soluble in alcohol, insoluble in acetone. H.S.Code ... 26 (00) Usage: It is used to supply zinc in animal feeds, fertilizers, and agricultural sprays. ZnSO4·7H2O is used in ...