CAS: 109-04-6 EC No: 203-641-6 MDL No: MFCD00006219 RTECS: US3850000 UN No: UN2810; Haz Class: 6.1; Packing Group: II Liquid Molecular Formula: C₅H₄BrN MW: 158.00 Boiling Point: 192-194° Density (g/mL): 1.657 Refractive Index: 1.572