Table 2.
Selected properties of some ChCl-based DESs reported in the literature.
| HBD | ChCl:HBD Molar Ratio | Melting Point (°C) | Density (g cm−3) | Viscosity (cP) | Ref. |
|---|---|---|---|---|---|
| Ethylene glycol | 0.36:0.64 | −33.32 | [124] | ||
| 1:2 | −66 | 1.12 | 37 (25 °C) | [125,126,127] | |
| 0.28:0.72 | 4.15 | [124] | |||
| 1:3 | 1.12 | 19 (20 °C) | [124,127] | ||
| 1:4 | 19 (20 °C) | [127] | |||
| Urea | 1:2 | 12 | 1.25 | 750 (25 °C) | [6,128] |
| Thiourea | 1:2 | 69 | [6] | ||
| 1-methyl urea | 1:2 | 29 | [6] | ||
| 1,3-dimethyl urea | 1:2 | 70 | [6] | ||
| 1,1-dimethyl urea | 1:2 | 149 | [6] | ||
| Acetamide | 1:2 | 51 | [6] | ||
| Benzamide | 1:2 | 92 | [6] | ||
| Glycerol | 1:1 | 1.16 | [129] | ||
| 1:1.5 | [129] | ||||
| 1:2 | −40 | 1.18 | 259 (25 °C) | [127,129] | |
| 1:3 | 1.20 | 450 (20 °C) | [127] | ||
| 1:4 | 503 (20 °C) | [127] | |||
| CF3CONH2 | 1:2 | 1.34 | 77 (40 °C) | [130] | |
| Malonic acid | 1:1 | 10 | [116] | ||
| 1:2 | 1.25 | 1124 (25 °C) | [125] | ||
| Glucose | 1:1 | 34,400 (50 °C) | [131] | ||
| 1,4-butanediol | 1:3 | 140 (20 °C) | [127] | ||
| 1:4 | 88 (20 °C) | [127] | |||
| Imidazole | 3:7 | 56 | 15 (70 °C) | [132] | |
| ZnCl2 | 1:2 | 85,000 (25 °C) | [133] | ||
| Adipic acid | 1:1 | 85 | [116] | ||
| Benzoic acid | 1:1 | 95 | [116] | ||
| Citric acid | 1:1 | 69 | [116] | ||
| Oxalic acid | 1:1 | 34 | [116] | ||
| Phenylacetic acid | 1:1 | 25 | [116] | ||
| Phenylpropionic acid | 1:1 | 20 | [116] | ||
| Succinic acid | 1:1 | 71 | [116] | ||
| Tricarballylic acid | 1:1 | 90 | [116] |