Trifluoroacetyl fluoride


Trifluoroacetyl fluoride is an organic compound of fluorine, oxygen, and carbon with the chemical formula. The compound belongs to the group of carboxylic acid fluorides, specifically the fluoride of trifluoroacetic acid.

Synthesis

Trifluoroacetyl fluoride can be prepared by the reaction of trifluoroacetic anhydride and anhydrous hydrogen fluoride:
or by the reaction of trifluoroacetic acid and vanadium pentafluoride:

Chemical properties

Trifluoroacetyl fluoride can react with rubidium fluoride or cesium fluoride in acetonitrile to form the corresponding pentafluoroethanolate:
The compound reacts with sulfur trioxide to form trifluoroacetyl fluorosulfonate:
The compound hydrolyses in water.

Uses

Trifluoroacetyl fluoride is an important industrial intermediate for trifluoroacetic acid, which is produced by its hydrolysis.