Used as a phase-transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It is particularly effective in nucleophilic substitution reactions, enhancing the transfer of anions from the aqueous to the organic phase.

Applied in the synthesis of various organic compounds, including pharmaceuticals and agrochemicals, where it helps improve reaction efficiency and yield.

Also employed in the preparation of ionic liquids, which are used as solvents or electrolytes in various industrial processes.

Its role in polymerization reactions is notable, where it aids in the controlled synthesis of polymers with specific properties.

Additionally, it finds use in the development of advanced materials, such as conductive polymers and organic semiconductors, due to its ability to stabilize reactive intermediates and control reaction pathways.