Used primarily in organic synthesis as a phase-transfer catalyst, it facilitates reactions between compounds in different phases. It is also employed in the preparation of pharmaceuticals, where it acts as a mild base, ensuring the stability of sensitive intermediates. In analytical chemistry, it serves as a buffer in chromatography, aiding in the separation and purification of complex mixtures. Additionally, it finds application in the synthesis of specialty chemicals, where its unique properties help achieve high yields and selectivity in reactions.