Used as a phase transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It is also employed in the preparation of quaternary ammonium salts and as a strong base in various chemical reactions. In analytical chemistry, it serves as an ion-pairing agent to improve the separation of compounds in chromatography. Additionally, it is utilized in the production of specialty chemicals and in the synthesis of pharmaceuticals. Its ability to stabilize anions makes it valuable in electrochemical applications and in the creation of ionic liquids.