4-Bromobenzenesulfonyl chloride

• Catalog No.: A15909
• CAS Number: 98-58-8
• M. F.: C6H4BrClO2S
• M. W.: 255.51676
• Purity: 98+%

SYNONYMS

• Title: 4-溴-苯磺酰氯
• IUPAC name: 4-bromobenzene-1-sulfonyl chloride
• IUPAC Traditional name: 4-bromobenzenesulfonyl chloride

DATABASE IDS

• Merck Index: 141407
• Beilstein Number: 743518
• MDL Number: MFCD00007437
• EC Number: 202-683-2
• CAS Number: 98-58-8

PROPERTIES

• Purity: 98+%
• Boiling Point: 152-154°C/26mm
• Melting Point: 73-77°C
• GHS Hazard statements: H314-H318
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P280-P305+P351+P338-P309-P310
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN3261
• Packing Group: II

REFERENCES

• Alcohols are converted to 4-brombenzenesulfonate ("brosylate") esters with enhanced leaving group ability relative to the commoner tosylate; see, e.g.: Carbohydr. Res., 46, 53 (1976).
• In the presence of potassium carbonate and a phase-transfer catalyst, N,N'-disubstituted ureas are dehydrated to carbodiimides in high yield: Synthesis, 520 (1987).
• Used in protection of amines as 4-bromobenzenesulfonamides: Synth. Commun., 18, 1615 (1988); Tetrahedron Lett., 30, 2399 (1989).