Used as a phase transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It enhances the efficiency of nucleophilic substitution reactions and is particularly useful in the preparation of pharmaceuticals and fine chemicals. Also employed in the synthesis of ionic liquids, which have applications in green chemistry and as solvents in various industrial processes. Its ability to stabilize reactive intermediates makes it valuable in polymerization reactions and the production of specialty polymers. Additionally, it serves as a surfactant in certain formulations, aiding in the dispersion of substances in aqueous solutions.