... Zn 35% 100% water soluble, no impurity zinc sulphate monohydrate pharmaceutical grade ZnSO4·H2O Purity:98% with Zn 35%minCAS No ... and granularPhysical Description:Mol Weight: 179.45 Appearance: zinc sulphate monohydrate powder 80 meshOdour: Odourless Melting Point: It loses ... water, purification.In agriculture, it is mainly used as feed additive and trace element fertilizer,etc. Packing:25kg/bag, ...