Used as a reagent in organic synthesis, particularly in the development of pharmaceuticals and agrochemicals. It serves as a quaternary ammonium catalyst in phase-transfer catalysis, enhancing reaction rates between compounds in different phases. Its neopentyl and dimethylamino groups contribute to steric stability and improved selectivity in alkylation and acylation reactions. Also employed in the preparation of ionic liquids and as a precursor in the synthesis of functionalized pyridinium-based compounds with biological activity.