Product Name: Black Copper Oxide Powder Model NO.: 98% Quality: First Class Kind: Alkaline Oxide Grade Standard: Industrial Grade Classification: Copper Oxide Trademark: Zhonghua Transport Package: Bags Specification: 98% Origin: China HS Code: 28255000 Product Description Basic informationProduct Name: Cupric oxideCAS: 1317-38-0MF: CuOMW: 79.55EINECS: 215-269-1Copper oxide (CuO) is a black oxide of copper, slightly amphoteric and slightly hygroscopic. Copper oxide is insoluble in water and ethanol, dissolved in acid, ammonium chloride and potassium cyanide solution, dissolved slowly in ammonia solution, and reacted with strong alkali.ItemElectroplating GradeElectronic GradeIndustrial GradeCuO %≥98.59898Zn %≤0.02------Fe %≤0.01------Pb %≤0.0060.01---Cd %≤---0.0005---Hg %≤---0.0002---Acid Insoluble %≤0.010.20.2Cl- %≤0.010.20.2Package:25 kg/bag or based on customers' requirement.