Process for the production of high purity methanesulphonyl fluor

Details Process for the production of high purity methanesulphonyl fluor Process for the production of high purity methanesulphonyl fluor

1995-03-29

1996-07-30

Warden, Robert

Distillation: processes, separatory

Including addition of water or steam

203 39, 570178, C07C 17383

Patent

active

055408184

ABSTRACT:
A process for producing methanesulfonyl fluoride involves reacting methanesulfonyl chloride, a metal fluoride and water to obtain a reaction product, subjecting the reaction product to distillation in the presence of water in an amount of 0.7 times or more the amount of the methanesulfonyl chloride to obtain a distillate. The distillate has a water layer and a methanesulfonyl fluoride layer. The distillate is subjected to phase separation to separate the methanesulfonyl fluoride layer from the water layer, and the methanesulfonyl fluoride is recovered.

REFERENCES:
patent: 3920738 (1975-11-01), Martin
patent: 4005138 (1977-01-01), Plattner et al.
patent: 4285778 (1981-08-01), Crosby
patent: 4683090 (1987-07-01), Clark
patent: 5225048 (1993-07-01), Yuan

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