Used as a catalyst in organic synthesis, particularly in Friedel-Crafts alkylation and acylation reactions, due to its strong acidic properties. It is also employed in the preparation of ionic liquids, which are utilized in various electrochemical applications. Additionally, it serves as a reagent in the synthesis of fluorinated compounds, which are important in pharmaceuticals and agrochemicals. Its stability and efficiency make it suitable for use in high-temperature reactions and in environments requiring robust chemical performance.