Table 2.
Composition and physical properties of selected two-component Class III DESs at 298 K (if not specified otherwise); data extracted from [11].
| HBA/HBD, Molar Ratio | Freezing Point [°C] | Viscosity [cP] | Density [g cm−3] | Conductivity [mS cm−1] |
|---|---|---|---|---|
| ChCl/U, 1:2 | 12 | 750 | 1.25 | 0.75 |
| ChCl/U, 1:2 | 12 | 169 (40 °C) | 0.199 (40 °C) | |
| ChCl/Me-U, 1:2 | 29 | |||
| ChCl/1,3-Me2-U, 1:2 | 70 | |||
| ChCl/CF3CONH2, 1:2 | 77 (40 °C) | 1.342 | ||
| ChCl/EG, 1:2 | −20 | 37 | 1.12 | 7.61 |
| ChCl/EG, 1:3 | 19 (20 °C) | |||
| ChCl/Gly, 1:2 | −40 | 376 | 1.18 | 1.18 |
| ChCl/Gly, 1:3 | 450 (20 °C) | |||
| ChCl/D-Fru, 1:2 | 4 | |||
| ChCl/D-Glu, 1:2 | 14 | |||
| ChCl/phenol, 1:3 | 44.6 | 3.14 | ||
| ChCl/phenol, 1:3 | 28.2 (35 °C) | 4.77 (35 °C) | ||
| ChCl/phenol, 1:3 | 19.2 (45 °C) | 6.77 (45 °C) | ||
| ChCl/1,4-butanediol, 1:3 | 140 (20 °C) | |||
| ChCl/1,4-butanediol, 1:4 | 88 (20 °C) | |||
| ChCl/imidazole, 3:7 | 15 (70 °C) | 12 (60 °C) | ||
| ChCl/acetamide, 1:2 | 51 | |||
| ChCl/MalA, 1:1 | 10 | 721 | 0.55 | |
| ChCl/MalA, 1:2 | 1124 | |||
| ChCl/valeric acid, 1:2 | 22 | |||
| ChCl/mandelic acid, 1:2 | 33 | |||
| ChCl/OxA, 1:1 | 34 | |||
| ChCl/phenylacetic acid, 1:1 | 25 | |||
| ChCl/glutamic acid, 1:2 | 13 | |||
| ChCl/phenylpropionic acid, 1:1 | 20 | |||
| ChCl/CitA, 2:1 | 69 | |||
| [P(Me)(Ph)3]Br/Gly, 1:1.75 | −4.03 | 887 (45 °C) | 1.29 | 0.165 |
| [P(Me)(Ph)3]Br/EG, 1:4 | −49.34 | 109.8 | 1.23 | 0.788 |
| [N(Bu)4]Br/imidazole, 3:7 | 810 (20 °C) | 0.24 (60 °C) | ||
| [P(Bz)(Ph)3]Cl/EG | 47.91 | |||
| [P(Bz)(Ph)3]Cl/Gly | 50.36 | |||
| [NH3(Et)]Cl/acetamide, 2:3 | 64 (40 °C) | 1.041 | 0.688 (40 °C) | |
| [NH3(Et)]Cl/CF3CONH2, 2:3 | 256 (40 °C) | 1.273 | 0.39 (40 °C) | |
| [NH3(Et)]Cl/U, 2:3 | 0.348 (40 °C) | |||
| [N(Bu)3(Me)]Cl/EG, 1:3 | 202 (55 °C) | 0.48 (55 °C) | ||
| [N(Bu)3(Me)]Cl/Gly, 1:5 | 534 (55 °C) | 0.163 (55 °C) |
CF3CONH2–2,2,2-Trifluoroacetamide, 1,3-Me2U–1,3-dimethylurea, CitA–Citric acid, ChCl–Choline chloride, EG–Ethylene glycol, Fru–Fructose, Glu–Glucose, Gly–Glycerol, MalA–Malonic acid, MeU–Methylurea, U–Urea, OxA–Oxalic acid, [P(Me)(Ph)3]Br–Methyltriphenylphosphonium bromide, P(Bz)(Ph)3]Cl–Benzoyltriphenylphosphonium chloride, [N(Bu)4]Br–Tetrabuthylammonium bromide, [NH3(Et)]Cl–Ethylammonium chloride, [NH3(Et)]Cl–Ethylammonium chloride, [N(Bu)3(Me)]Cl–Tributylmethylammonium chloride.