Ionic liquids are actually salts that are liquid in state, normally referred to compounds that have melting point below an arbitrary temperature i.e. 100° C. Unlike some other ordinary liquids like water and gasoline, that are composed of neutral species while ionic liquids are composed of ionic species and ionic intermediates commonly known as “ionic fluids” and “liquid electrolytes”. In ionic liquids there is a species that has a delocalized species and the other species may an organic species or an inorganic species. The term "ionic liquid" in the general sense was used as early as 1943.
They are powerful solvents and electrically conducting fluids. Any salt that melts without decomposing produces ionic fluids. As ionic bond is …show more content…
They offer the specificity required to separate similar compounds from each other, such as separating polymers in plastic waste streams.
They can replace water as an electrolyte in batteries. They are prefer because of their low vapor pressure. Their minimum electrochemical capacity is 6 volts as compared to water which is 1.23 volts. Ionic liquids can act as dispersing agents in paints to enhance finish, appearance and drying properties. Ionic liquids are used for dispersing nanomaterials at IOLITEC.
Safety:- Due to their low volatility they are less liable to contaminate environment by releasing, but are aquatically toxic.
Synthesis:- The methylimidazolium and pyridinium ions have proven to be good starting points for the development of ionic liquids. Properties, such as melting point, viscosity, and solubility of starting materials and other solvents, are determined by the substituents on the organic component and by the counter ion. Many ionic liquids have even been developed for specific synthetic problems. For this reason, ionic liquids have been termed "designer