| Identification | Back Directory | [Name]
Benzenesulfonyl bromide | [CAS]
2297-65-6 | [Synonyms]
Phenylsulfonyl bromide
BENZENESULFONYL BROMIDE | [Molecular Formula]
C6H5BrO2S | [MDL Number]
MFCD00015926 | [MOL File]
2297-65-6.mol | [Molecular Weight]
221.07 |
| Chemical Properties | Back Directory | [Melting point ]
19.5 °C | [Boiling point ]
301°C | [density ]
1.728 | [Fp ]
136°C | [solubility ]
sol CH2Cl2, Et2O, THF, C6H6, MeCN | [form ]
Liquid | [color ]
Yellow to brown |
| Hazard Information | Back Directory | [Uses]
Benzenesulfonyl bromide can be used as a sulfonating reagent to produce sulfonamides and sulfones. | [Preparation]
Benzenesulfonyl bromide can be prepared by reaction of sodium benzenesulfonate with bromine in 98% yield. | [storage]
by analogy to Benzenesulfonyl Chloride, benzenesulfonyl bromide should be assumed to be an irritant and harmful by skin absorption and ingestion. Benzenesulfonyl bromide is best used immediately following preparation and may be used in situ. The reagent is moisture sensitive and will react with nucleophilic solvents (e.g. alcohols), liberating HBr and therefore should be stored under an inert atmosphere. Use in a fume hood. |
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