Cyanuric fluoride or 2,4,6-trifluoro-1,3,5-triazine is a chemical compound with the formula (CNF)3.

It has been used as a precursor for fibre-reactive dyes, as a specific reagent for tyrosine residues in enzymes, and as a fluorinating agent.

[1] It is classified as an extremely hazardous substance in the United States as defined in Section 302 of the U.S.

11002), and is subject to strict reporting requirements by facilities which produce, store, or use it in significant quantities.

[5][6] Cyanuric fluoride is used for the mild and direct conversion of carboxylic acids to acyl fluorides:[7] Other fluorinating methods are less direct and may be incompatible with some functional groups.