Removal of phosgene from boron trichloride

Details Removal of phosgene from boron trichloride Removal of phosgene from boron trichloride

C - Chemistry, Metallurgy

01

B

23/358, 23/8

C01B 35/06 (2006.01)

Patent

CA 1118578

Abstract of tne Disclosure Boron trichloride containing minor amounts of phosgene as an impuirty is purified by contacting a vaporous stream thereof and at least a stoichiometric amount of hydrogen, based on the phosgene impurity, with a substantially metal-free carbon catalyst under substantially anhydrous conditions at temperatures of between about 300°C. and about ?00°C.

351298

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