... producing glass,ceramic,fire works, etc.... Classification: Copper OxideCAS No.: 1317-38-0Other Names: Copper OxideMF: CuOEINECS No.: 215-270-7Place of ... state standards used in producing glass,ceramic,fire works, etc.Copper OxideItem Standard I Standard II CuO , % ≥9998Muriatic acid insoluble substance ...