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ethanesulfinic acid

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ethanesulfinic acid Basic information

Product Name:
ethanesulfinic acid
Synonyms:
  • ethanesulfinic acid
  • ethylsulfinic acid
  • RQIFXTOWUNAUJC-UHFFFAOYSA-N
CAS:
598-59-4
MF:
C2H6O2S
MW:
94.13284
Mol File:
598-59-4.mol
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ethanesulfinic acid Usage And Synthesis

Synthesis

A solution of 17.2 g (0.1 mol) m-chloroperbenzoic acid in 200 mL of dichloromethane at -30℃ is added slowly to a solution of 3.1 g (0.05 mol) of ethanethiol in 10 mL of dichloromethane (also at -30℃). The reaction mixture is allowed to stand overnight at -30℃ and the precipitated m-chlorobenzoic acid is removed by filtration. The filtrate is cooled to -80℃ and refiltered to remove residual m-chlorobenzoic acid, after which the solvent is evaporated in a stream of nitrogen. Analytically pure ethanesulfinic acid is obtained in 80–85% yield.

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