Used as a highly effective reagent for the introduction of the trifluoroacetyl group in organic synthesis. It serves as a selective protecting group agent for amines and hydroxylamines due to the strong electron-withdrawing nature of the trifluoroacetyl moiety. Commonly employed in the preparation of fluorinated compounds, especially in pharmaceutical and agrochemical research where fluorine substitution enhances metabolic stability and bioavailability. Also utilized in the synthesis of hydroxylamine derivatives that act as intermediates in the formation of nitrogen-containing heterocycles. Its reactivity allows for mild reaction conditions and high yields in acylation processes.