Cupric oxide,lead oxide, oxide Super-fine cupric oxide. It has all the functions of cupric oxide. Cupric oxide.Cupric oxide,blackCopper oxide,blackSuper-fine cupric oxideCopper monoxideCAS:1317-38-0HS NO.:2825500000Molecular formula:CuOAppearance:black free flowing powderUse:gas-generating area,glass industry,ceramics,battery and so on. Cupric Oxide for Safety Airbag Gas Generator