CAS: 584-48-5 EC No: 209-539-8 MDL No: MFCD00041873 RTECS: CY9021500 UN No: UN3459; Haz Class: 6.1; Packing Group: III Powder Molecular Formula: C₆H₃BrN₂O₄ MW: 247.00 Melting Point: 71-73°