Tetrabutylammonium fluoride trihydrate is a quaternary ammonium salt with the chemical formula C16H36FN.3H2O.it is white crystals or crystalline powder.
Tetrabutylammonium fluoride trihydrate is a mild base used in reactions like aldol-type condensation reactions, Michael-type reactions, ring-opening reactions. Its is also used as a promoter in cross-coupling reactions and cyclization of carbocycles and heterocycles