CAS: 1317-38-0 EC No: 215-269-1 MDL No: MFCD00010979 RTECS: GL7900000 UN No: UN3077; Haz Class: 9; Packing Group: III Powder Molecular Formula: CuO MW: 79.55 Melting Point: 1330° Density (g/mL): 6.4