CAS: 1317-38-0 EC No: 215-269-1 MDL No: MFCD00010979 RTECS: GL7900000 UN No: UN3077; Haz Class: 9; Packing Group: III -325 Mesh Powder Molecular Formula: CuO MW: 79.55 Melting Point: 1330° Density (g/mL): 6.4

CAS: 1303-86-2 EC No: 215-125-8 MDL No: MFCD00011315 RTECS: ED7900000 -60 Mesh Powder Molecular Formula: B₂O₃ MW: 69.62 Melting Point: 45° Density (g/mL): 2.46