Used as a phase transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It is also employed in the production of specialty chemicals and polymers, enhancing reaction efficiency and selectivity. Additionally, it finds application in the extraction and separation processes of certain metals, improving recovery rates. In some cases, it serves as an additive in lubricants and coatings, providing improved performance and stability. Its role in ionic liquids is notable, contributing to advancements in green chemistry and sustainable processes.