A high-purity trifluoroacetyl halide purification method

The present invention discloses a method for purifying a high-purity trifluoroacetyl halide, or collecting frozen first compression collected, then purified by distillation. The purification process of the present invention can be obtained in a purity of 99.9% or trifluoroacetyl halide, unreacted starting material can be recycled to improve raw material utilization.