Used as an ionic liquid in electrochemical applications such as batteries and capacitors due to its high ionic conductivity and wide electrochemical stability window. It serves as a solvent or electrolyte component in fuel cells and dye-sensitized solar cells, benefiting from its thermal stability and low volatility. Also employed in organic synthesis as a reusable reaction medium, especially in catalytic reactions where phase separation and product recovery are important. Its ability to dissolve a wide range of organic and inorganic compounds makes it suitable for extraction processes and separation technologies, including CO₂ capture and metal ion recovery.