Used primarily as a reagent in organic synthesis, particularly in trifluoromethylation reactions. It serves as a source of the trifluoromethyl group in the development of pharmaceuticals and agrochemicals, where the introduction of fluorine atoms enhances metabolic stability, lipophilicity, and bioavailability. Its iodoaryl moiety allows for further functionalization via cross-coupling reactions, making it valuable in the construction of complex fluorinated molecules. Commonly applied in medicinal chemistry for the synthesis of fluorinated analogs of biologically active compounds.