CAS: 26412-87-3 EC No: 247-683-3 MDL No: MFCD00012437 UN No: UN3261; Haz Class: 8; Packing Group: II Powder Molecular Formula: C₅H₅NO₃S MW: 159.16 Melting Point: 155-165°

CAS: 420-37-1 EC No: 206-994-4 MDL No: MFCD00011798 UN No: UN3261; Haz Class: 8; Packing Group: II Solid Linear Formula: O(CH₃)₃BF₄ MW: 147.91 Melting Point: 190° (decomposes)

CAS: 7143-01-3 EC No: 230-442-1 MDL No: MFCD00007556 UN No: UN3261; Haz Class: 8; Packing Group: II Crystalline Linear Formula: (CH₃SO₂)₂O MW: 174.20 Melting Point: 64-67° Boiling Point: 125°/4 mmHg

CAS: 1899-24-7 MDL No: MFCD00159501 UN No: UN3261; Haz Class: 8; Packing Group: III Needles Molecular Formula: C₅H₃BrO₂ MW: 174.98 Melting Point: 82-85° Boiling Point: 112°/16 mmHg

CAS: 623-24-5 EC No: 210-781-1 MDL No: MFCD00000182 UN No: UN3261; Haz Class: 8; Packing Group: II Crystalline Linear Formula: C₆H₄(CH₂Br)₂ MW: 263.96 Melting Point: 143-145° Boiling Point: 245° Density (g/mL): 2.012