... 5.606 High-purity and Ultra-fine Zinc OxideAppearance: white or light yellow Powder Melting Point: 1975 °CBoiling ... Properties:White hexagonal system crystalloid or powder, tasteless, nontoxic, fine particle. It is amphoteric oxide, soluble ... able to absorb ultraviolet radiation, no turning into black with H2SApplication:White pigment, in dying, paper ... used. High-purity and Ultra-fine Zinc Oxide