while some ternary nitrate salt mixture can have melting point around 100 C, some ionic liquid can have melting point around 150 C. so, is there any such cutoff as it is asked ?
Dear Sumit, thank you for posting this interesting technical question on RG. First of all, organic based ionic liquids and extremely low-melting inorganic salt mixtures are two completely different pairs of shoes. Ionic liquids are normally pure compounds which have low melting points. In contrast, as the name suggests, mixtures of inorganic salts are not pure compounds. Thus it is not really helpful to compare the two. For example, think about the well-known freezing mixture of ice and table salt which can have a melting point of below –20 °C. We would not call this an ionic liquid. Commonly, the boundary of temperature is arbitrarily set, e.g. to 100 °C.
Good luck with your work and best wishes, Frank Edelmann
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