Zinc Sulfate Heptahydrate Also known as: White Vitriol CAS No.: 7446-20-0 Content: 98% Molecular Formula: ZnSO?·7H?O Molecular Weight: 287.56 Packaging: 25kg/bag Uses: Primarily used as a raw material for producing lithopone and zinc salts; mordant in the dyeing industry; preservative for wood and leather; insecticide for preventing diseases and pests in fruit trees; emetic in pharmaceuticals; clarifying and preserving agent for bone glue; important auxiliary raw material in the production of chemical fibers. Additionally, it is used in electroplating, electrolysis, and the paper industry.