CAS: 7440-02-0 EC No: 231-111-4 MDL No: MFCD00011137 RTECS: QR5950000 UN No: UN3089; Haz Class: 4.1; Packing Group: II Powder, apparent density 1.8-2.7g/cm 3 Molecular Formula: Ni MW: 58.69 Melting Point: 1453° Boiling Point: 2732° Density (g/mL): 8.9