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PROPERTIES OF IONIC LIQUIDS They have intrinsically useful properties which have attracted enormous attention from academic and industrial researchers alike. Their non-measurable vapour pressure and non-flammability makes them attractive candidates for the implementation of safer processes so that they are regarded as eco-friendly alternatives to volatile organic compounds (VOCs). The excellent dissolution properties for a lot of organic and inorganic substrates allow smaller plant sizes and increased space-time-yields. Additionally, ionic liquids have high thermal stabilities, allowing higher reaction temperatures. They also permit a range of separation techniques such as distillation or sublimation which are sometimes not possible using traditional organic solvents. Electrochemical applications benefit from their good electrical conductivities in wide electrochemical windows. Other beneficial properties include enhanced enzyme stability, improved chemo-selectivity and easier catalyst recovery and recycling.
Due to the above mentioned tunability of properties it is possible to find the best suitable ionic liquid for a given application or even to design new cation-anion combinations based on our long-term experience on ionic liquids. To summarize ionic liquids have the following advantageous properties
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Ionic liquids are sometimes thought to be corrosive media. In response to our customers' demand for halogenfree ionic liquids (no corrosion problems associated with the formation of HF, improved options for end-of-life disposal) Solvent Innovation has recently launched their ECOENGTM -family, comprising of halogenfree anions based on sulfate or phosphate.