Continuous manufacture of 1,1-difluoroethane

Organic compounds -- part of the class 532-570 series – Organic compounds – Halogen containing

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570164, 570166, 570167, 570168, C07C 17087

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active

057146500

ABSTRACT:
A process is disclosed for producing 1,1-difluoroethane (HFC-152a) in a liquid phase by contacting chloroethene and hydrogen fluoride in the presence of a tin tetrahalide catalyst. The ability to reduce tar formation and increase volumetric productivity is also disclosed.

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