Cas:1314-13-2 Purity:99.7% Zinc oxide indirect method /direct method Application Mainly used in industries such as medicine, electronic, ruber, chemical, paint, phosphorated fluids, optic, auto industry and light industry. Physical propertice: Non-toxic, odourless, white or light yellow, light power and deliquescent Molecular formula: zno Molecular weight:81.39(according to international atomic weight in the year of 2001) Packing and storage This product is packed with plastic-lined and plastic-coated woven bags, 25kg per bag. This product should be kept from breakage, moisture, pollution and contact with acid