Manufacture of 1, 1-difluoroethane

Details Manufacture of 1, 1-difluoroethane Manufacture of 1, 1-difluoroethane

1997-01-02

1999-02-02

Siegel, Alan

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570166, C07C 1708

Patent

active

058667296

ABSTRACT:
A process for the selective and high yield preparation of 1,1-difluoroethane (CHF.sub.2 --CH.sub.3, HFC-152a) from chloroethene and anhydrous hydrogen fluoride is disclosed. The process involves the reaction of chloroethene with anhydrous hydrogen fluoride in a liquid phase between the temperatures of 30.degree. and 160.degree. C. in the presence of a tin catalyst and at least one compound selected from the group consisting of alkali metal halides and saturated halogenated hydrocarbons.

REFERENCES:
patent: 2495407 (1950-01-01), Chapman et al.
patent: 3862995 (1975-01-01), Martens et al.

Affiliated with

Also associated with

Rating

Manufacture of 1, 1-difluoroethane does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Manufacture of 1, 1-difluoroethane, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Manufacture of 1, 1-difluoroethane will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1118820