... High purity, professional service Ideal for long-term cooperation copper oxideCAS: 1344-70-3MF: CuOMW: 79.55EINECS: 215 ... plating ,magnetic material, enamel coloring, ceramics pigment and copper salt. Application: widely used in glass,pigment,desulfurizer,catalyst ... in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color solution, which leads to ...