Widely used as a phase-transfer catalyst in organic synthesis, facilitating reactions between compounds in different phases. It is particularly effective in nucleophilic fluorination reactions, where it introduces fluorine atoms into organic molecules, enhancing their chemical properties. Commonly employed in the preparation of pharmaceuticals and agrochemicals, enabling the synthesis of complex molecules. Also utilized in the production of specialty chemicals and materials, such as polymers and surfactants. Its ability to stabilize anions makes it valuable in various electrochemical applications, including battery technology and sensors. Additionally, it serves as a reagent in the synthesis of silicon-based compounds, contributing to advancements in materials science.