Widely used as an ionic liquid in electrochemical applications, particularly in energy storage devices like supercapacitors and lithium-ion batteries. Its high ionic conductivity and thermal stability make it suitable for enhancing the performance and safety of these devices. Additionally, it serves as a solvent or electrolyte in various chemical reactions, especially in green chemistry, due to its low volatility and recyclability. It is also employed in catalysis and separation processes, where its unique properties help improve efficiency and reduce environmental impact.