Name of zinc sulfate English name of zinc sulfate heptahydrate Alias alum Hao Molecular formula ZnSO4 Molecular weight 287.54 CAS 7446-20-0 coding Colorless orthorhombic crystals, granules or powder, odorless, taste astringent. As a trace element fertilizer use in agriculture, animal husbandry as feed additives. Used in electroplating, floating mineral. Agent for coal, wood and leather preservatives, glue clarify emetic medicine and fungicide. Used for the production of zinc and other zinc salts of barium raw white Packaging plastic woven bag, 25KG / bag.