CAS: 12035-72-2 EC No: 234-829-6 MDL No: MFCD00016266 RTECS: QR9800000 UN No: UN3077; Haz Class: 9; Packing Group: III -200 Mesh Powder Molecular Formula: Ni₃S₂ MW: 240.20 Melting Point: 797° Density (g/mL): 5.8