1.Molecular Formula : ZnSO4·H2O ITEMSUNIT Zinc Sulphate monohydrate powder (feed grade)Zinc Sulphate monohydrate granular (fertilizer grade)Zn%min3530;33Cd(ppm) max1010Pb(ppm) max1010As(ppm) max55size————1-2mm;2-4mm2.CAS# :7446-19-7 3.Qualities are conformed toHG2934-2000 4.Packing : Net 25kgs plastic woven bags with inner liner or 1000kgs big bag or 50 lb paper bags. 5.Uses : It is mainly used as raw material for the production of lithophone and zinc salts. It is also used in synthetic fiber industry, zinc plating , pesticides, flotation, fungicide and water purification. In agriculture, it is mainly used in feed additive and trace element fertilize, etc. 6.Storage: Dry and hermetic.