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Reference.org
Tetra-n-butylammonium fluoride
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<p>Tetra-<i>n</i>-butylammonium fluoride, commonly abbreviated to TBAF and <i>n</i>-Bu4NF, is a <a href="/facts/Quaternary_ammonium_salt/bNpF1goc">quaternary ammonium salt</a> with the chemical formula (CH3CH2CH2CH2)4N+F−. It is commercially available as the white solid trihydrate and as a solution in <a href="/facts/Tetrahydrofuran/P5t6SkMK">tetrahydrofuran</a>. TBAF is used as a source of <a href="/facts/Fluoride/LpqNMzwa">fluoride</a> ion in organic solvents. </p>