Oxalyl fluoride is the organofluorine compound with the formula (COF)2.

It is a fluorinated derivative of oxalic acid.

This colorless liquid is prepared by reaction of sodium fluoride with oxalyl chloride.

[1] Oxalyl fluoride is being investigated for use in etching as a replacement for compounds which have the liability of high global warming potential.

[2][3] This article about an organic halide is a stub.