Used as a phase transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It is also employed in the production of zeolites, where it acts as a structure-directing agent, helping to form specific crystalline structures. In the electronics industry, it serves as a developer in photoresist formulations for semiconductor manufacturing. Additionally, it is utilized in the preparation of quaternary ammonium compounds, which have applications in surfactants, disinfectants, and fabric softeners.