Used as a key reagent in organic synthesis, particularly in the generation of aryl cations for electrophilic aromatic substitution reactions. Its application extends to the development of complex organic molecules, including pharmaceuticals and agrochemicals. The compound is also employed in photolithography processes within the semiconductor industry, where it acts as a photoacid generator to create precise patterns on silicon wafers. Additionally, it serves as a catalyst in polymerization reactions, enhancing the efficiency of producing high-performance polymers. Its unique properties make it valuable in advanced material science and nanotechnology research.