Used as a key reagent in organic synthesis, particularly for introducing the trifluorobutanoyl group into various molecules. It plays a significant role in the production of pharmaceuticals, agrochemicals, and specialty chemicals, where the trifluoromethyl group enhances stability, bioavailability, and metabolic resistance. In the pharmaceutical industry, it is employed to synthesize active pharmaceutical ingredients (APIs) with improved therapeutic properties. Additionally, it is utilized in the development of advanced materials, such as polymers and coatings, to impart unique chemical and physical characteristics. Its reactivity with amines, alcohols, and other nucleophiles makes it a versatile building block in fine chemical manufacturing.