Used as an electrolyte in electrochemical devices such as fuel cells and supercapacitors due to its high ionic conductivity and stability. It is also employed in organic synthesis as a solvent or catalyst, particularly in reactions requiring a polar medium. In the field of electroplating, it serves as an additive to improve the quality and efficiency of metal coatings. Additionally, it is utilized in dye-sensitized solar cells to enhance performance and durability. Its low volatility and non-flammable properties make it suitable for high-temperature applications.