export(at)fhzinc.com Zinc sulphate Heptahydrate BASIC INFORMATION Formula: ZnSO4.7H2O CAS No.: 7446-20-0 HS Code: 28332930 EIENCS: 231-793-3 Quality: ISO9001:2008 PHSICAL INFORMATION Mol Weight: 287.56 Appearance: white crystalline powder or granular Odour: Odorless Melting Point: It loses water at 30 degree C to give the hexahydrate and more water is lost at 70 degree C to form the monohydrate. The anhydrous salt forms at 280 degree C Density: 1.957 SPECIFICATION Item Unit Specification Purity %min 98 Zn %min 21 Pb ppm Max 20 As ppmMax 10 Cd ppmMax 50 Finess Mesh - USAGE ZnSO4 is mainly used as raw material for the production of lithopone 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 as feed additive and trace element fertilizer,, etc. STORAGE Dry and hermetic.
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