Method of manufacturing methanesulfonyl chloride

Details Method of manufacturing methanesulfonyl chloride Method of manufacturing methanesulfonyl chloride

1989-08-25

1991-03-05

Niebling, John F.

Chemistry: electrical and wave energy

Processes and products

Processes of treating materials by wave energy

20415778, 20415779, C07C 2100

Patent

active

049975358

ABSTRACT:
This invention is concerned with the manufacture of methanesulfonyl chloride from a mixture of methane, sulfur dioxide gas and chloride gas under irradiation of light having a wave length of 200.about.600 nm from a low vapor pressure mercury lamp, a high vapor pressure mercury lamp, a luminescent lamp a xenon lamp and/or sun light. High purity methanesulfonyl chloride is manufactured simply by single distillation, without using methylmercaptan which has a bad odor as raw material. The invention has special merit in utilizing sulfur dioxide gas which is produced in a large amount in the desulphurization of petroleum.

REFERENCES:
patent: 2174492 (1938-12-01), Reed
patent: 3238255 (1966-03-01), Blackwell

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