CAS: 98-58-8 EC No: 202-683-2 MDL No: MFCD00007437 UN No: UN3261; Haz Class: 8; Packing Group: II Crystalline/Powder Molecular Formula: C₆H₄BrClO₂S MW: 255.52 Melting Point: 73-75° Boiling Point: 153°/15 mmHg