Molecular Formula : ZnSO4. 7H2O Molecular Weight : 287.54 CAS NO. : 7446-20-0 Properties : Zinc Sulphate Heptahydrate 21.5% Industry Grade is White or light-yellow crystals. Storage : stored in sealed container. Packing : 25Kg woven bags lined with plastic bag(special packing can be made according to clients' requirement). Applications:Used as water treatment agent, mordant for printing and dying; preservative for wood, a coagulant in the production of rayon, also can be used used to supply zinc in animal feeds, fertilizers, and agricultural sprays Storage :stored in sealed container.