CAS: 7439-95-4 EC No: 231-104-6 MDL No: MFCD00085308 UN No: UN1869; Haz Class: 4.1; Packing Group: III Solid Molecular Formula: Mg MW: 24.31 Melting Point: 648° Boiling Point: 1090° Density (g/mL): 1.74