Used as a key reagent in organic synthesis for introducing the 1,1-difluoroethyl group into molecules. This modification is particularly valuable in medicinal chemistry, where the difluoroethyl moiety can enhance metabolic stability, improve lipophilicity, and increase bioavailability of pharmaceutical candidates. It is employed in the development of fluorinated analogs of bioactive compounds, aiding in the optimization of drug potency and pharmacokinetic profiles. Its application is especially relevant in the design of fluorinated agrochemicals and investigational drugs targeting central nervous system disorders and metabolic diseases.