... price English name: Copper oxide, Cupricoxide, C0ppermonoxide,BlackcopperoxideMolecular formula: CuOMolecular weight: 79.55Characters: copper oxide is black ... , insoluble in water, soluble in acid, ammonia, ammonium chloride, dissolved in sodium hydroxide to produce blue color solution, ... can be reduced to metallic copper. Mainly used for circuit board plating, Ferrite magnetic materials and other ...