CAS No.: 1314-13-2 Molecular Formula:ZnO Molecular Weight: 81.39 Properties: WHITE POWDER,STABLE UNDER NORMAL TEMPERATURE, INSOLUBLE IN WATER AND ALCOHOL, SOLUBLE IN ACID SOLUTION. Application: For rubbers, paint, enamel, glass pigment & other chemical industry Specification: 99.9% min. Zinc oxide% 99.0min Lead oxide(PbO)% - Cadmium oxide (CdO)% - Copper Oxide(CuO)% - Manganese(Mn) % - Metallic metals(as Zn) None Insolubles in HCL solution % - Losses on ignition % 0.6max Soluble matters in water % 0.6max Screening residues(45μm wet screen)% 0.32max 105 degree moisture % 0.4max Hiding power(g/m2) 150max Oil absorption,g/100g 20max Colour killing% 95max 99.5%min. ZnO % 99.5 min PbO % 0.12 max CdO% 0.02 max CuO % 0.6 max 0.05 max 0.006 max Mn % 0.0002 max Insoluble in Hcl solution % 0.03 max Loss on ignition % 0.4 max Water soluble matter % 0.4 max Screen residues ( Through 320 mesh) % 0.28 max Moisture % 0.4 max 99.7% min. ZnO % 99.7 min PbO % 0.037 max CuO % 0.0002 max Mn % 0.0001 max Zn none Loss on ignition % 0.2 max Water soluble matter % 0.1 max Screen residues ( Through 320 mesh) % 0.1max