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. Oxalyl fluoride is being investigated for use in etching as a replacement for compounds which have the liability of high global warming potential. See also Oxalyl chloride Oxalyl bromide Dioxane tetraketone Oxalyl References Acyl fluorides Inorganic carbon compounds Carbon oxohalides