alpha-Toluenesulfonyl chloride

• Catalog No.: A10124
• CAS Number: 1939-99-7
• M. F.: C7H7ClO2S
• M. W.: 190.64728
• Purity: 99%

SYNONYMS

• Title: α-甲苯磺酰氯
• IUPAC name: phenylmethanesulfonyl chloride
• IUPAC Traditional name: phenylmethanesulfonyl chloride
• Synonyms: Phenylmethanesulfonyl chloride; Benzylsulfonyl chloride

DATABASE IDS

• MDL Number: MFCD00007455
• CAS Number: 1939-99-7
• EC Number: 217-717-1
• Beilstein Number: 972806

PROPERTIES

• Purity: 99%
• Boiling Point: 120°C/10mm
• Melting Point: 89-94°C
• GHS Hazard statements: H314-H318
• European Hazard Symbols: Corrosive (C)
• GHS Precautionary statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501A
• Risk Statements: 34
• Safety Statements: 26-36/37/39-45
• Storage Warning: Moisture Sensitive
• TSCA Listed: 是
• Hazard Class: 8
• UN Number: UN3096
• Packing Group: II

REFERENCES

• Reagent for protection of amino groups as benzylsulfonamides which can be cleaved reductively, e.g. Na/NH₃, Raney Ni/H₂: J. Am. Chem. Soc., 79, 639, 645 (1957), or by photolysis: Tetrahedron Lett., 1029 (1979).
• Alcohols can also be protected, e.g. in the presence of 2,6-lutidine, as benzylsulfonates which can be cleaved with NaNH₂ in DMF: Bull. Chem. Soc. Jpn., 59, 1587 (1986).