Zinc trifluoromethanesulfinate is primarily used as a reagent in organic synthesis, particularly in radical reactions. It serves as a source of the trifluoromethyl radical, which is valuable for introducing the trifluoromethyl group into various organic compounds. This group is significant in pharmaceuticals and agrochemicals due to its ability to enhance the biological activity and metabolic stability of molecules. The compound is also employed in the preparation of fluorinated polymers and materials, which exhibit unique properties such as chemical resistance and thermal stability. Additionally, it is utilized in the synthesis of complex molecules for research and development in medicinal chemistry.