CAS: 7790-30-9 EC No: 232-199-7 MDL No: MFCD00011279 RTECS: XG5425000 UN No: UN1707; Haz Class: 6.1; Packing Group: II -10 Mesh Beads Linear Formula: TlI MW: 331.27 Melting Point: 440° Density (g/mL): 7.29