Table 2.
Composition of the biphasic ionic liquid/hexane solvent systems, showing the solubility of hexane in the ionic phase [124, 125] at 25 °C
| Ionic liquida | Ionic phase composition (mol%) | Organic phase composition/mol% | |
|---|---|---|---|
| Ionic liquid | Hexane | Hexane | |
| [cholinium][NTf2] | 98.5 | 1.5 | >99.9 |
| [Cnpy][NTf2] | 95 | 5 | >99.9 |
| [C2mim][NTf2] | 96 | 4 | >99.9 |
| [C4mim][NTf2] | 91 | 9 | >99.9 |
| [C8mim][NTf2] | 70 | 30 | >99.9 |
| [C10mim][NTf2] | 58 | 42 | >99.9 |
| [C12mim][NTf2] | 44 (79, 87)b | 56 (21, 13)b | >99.9 |
| [P6 6 6 14][NTf2] | 9 (30, 37)b | 91 (70, 63)b | >99.0 |
aSee Abbreviation List for details
bIonic phase composition is given in mol%, followed in parenthesis by vol% and wt%, respectively