Tags: Chemical Compound, Chemical Substance.
Tetra-n-butylammonium fluoride or TBAF is a quaternary ammonium salt with the chemical formula (CH3CH2CH2CH2)4N+F-. It is commercially available as the trihydrate and as a solution in tetrahydrofuran.In the laboratory the compound is usually encountered in the latter form as a source of organic-soluble fluoride ion to remove silyl ether protecting groups. It is also used as a phase transfer catalyst and as a mild base.