Sodium 2,6-Dinitro-4-(trifluoromethyl)benzenesulfonate is primarily used in organic synthesis as a reagent for introducing the trifluoromethyl group into various compounds. This chemical is particularly valuable in the development of pharmaceuticals and agrochemicals, where the trifluoromethyl group can enhance the biological activity and stability of the molecules. It is also utilized in the preparation of dyes and pigments, contributing to the production of vibrant and durable colors. Additionally, its application extends to material science, where it is used in the modification of polymers and surfaces to impart specific chemical properties.