Zinc sulfate monohydrate 1 competitive price and high quality 2 feed grade with white color Introduction: Zinc sulfate (ZnSO4) is a colorless crystalline, ... a copper(II) sulfate solution.It is used to supply zinc in animal feeds, fertilizers, and agricultural sprays. ZnSO4·7H2O ... lithopone, in coagulation baths for rayon, in electrolytes for zinc plating, as a mordant in dyeing, as a preservative ...