... oxide ZnO CAS NO.:1314-13-2 Character:white powder purity:99%,99.5%,99.7%,99 ... .9% packing:pp bag Character:white powder purity:99%,99.5%,99.7%,99. ... magnetic material, electron chemical engineering and so on.Physical and chemical properties: white hexagonal system crystal or powder. ... acid, sodium hydroxide and ammonia chlorideUse:used as white paints and used in printing and dyeing, papermaking, ...