... Oxide Cas NO.: 1344-70-3 HS NO.: 2825500000 GRADE: Industrial GradeMolecular formula:CuOProperties:black to black grey amorphous crystalline powder ... , ammonium chloride, ammonium carbonate and potassium cyanide. Application:Enamel, Battery, Petroleum desulfurization agent, Insecticide, Green glass As an organic reaction catalystPacking ...