Used as a catalyst in organic synthesis, particularly in esterification and transesterification reactions, due to its ability to enhance reaction rates and selectivity. It is also employed in the preparation of pharmaceuticals and fine chemicals, where it acts as an effective proton donor or acceptor. Additionally, it finds application in the synthesis of ionic liquids, which are utilized in various industrial processes for their unique solvent properties. Its stability and efficiency make it suitable for use in high-temperature reactions and in the production of specialized polymers.