proionic offers a KIT of six diverse ionic liquids with varied dissolution power and selectivity to biopolymers (see the table below). It also contains second-generation biobased ILs such as Cholinium-L-lysinat or Cholinium acetate, standing out due their high-biodegradability, low toxicity and high enzyme stabilization potential.
Cholinium-L-lysinat (Chol-Lys) (biobased)
Cholinium acetate (Chol-OAc) (biobased)
1-Ethyl-3-methylimidazolium acetate (EMIM-OAc)
1-Ethyl-3-methylimidazolium octanoate (EMIM-OOc)
1-Butyl-3-methylimidazolium acetate (BMIM-OAc)
1-Ethyl-3-methylimidazolium propionate (EMIM-OPr)
If you are interested in this special offer or bigger quantities of these candidates, please contact Bernhard Ludwig, Head of Sales at bernhard.ludwig@proionic.com
| IL | CAS | Tm | α | β | π* | Comment | Lit |
| Chol-Lys | 1361335-94-5 | < RT | n.a. n.a. |
1.30 1.31 (90°C) |
0.67 0.64 (90°C) |
Medium H-bond disruptor, strongly basic | 1 |
| Chol-OAc | 14586-35-7 | 85 °C |
0.68 (90 °C) |
1.22 (90°C) | 0.76 (90°C) | Medium H-bond disruptor, mildly basic | 1 |
| EMIM-OAc | 143314-17-4 | - 20 °C | 0.47 0.51 (90°C) |
1.14 1.23 (90°C) |
1.04 0.91 (90°C) |
Strong H-bond disruptor, mildly basic | 1,2,3,4 |
| BMIM-OAc | 284049-75-8 | - 20 °C | 0.44 | 1.09 | 0.96 | Strong H-bond disruptor, mildly basic | 2,5 |
| EMIM-OPr | 865627-64-1 | < RT | 0.54 | 1.09 | 0.96 | Strong H-bond disruptor, mildly basic | 5 |
| EMIM-OOc | 1154003-55-0 | < RT | Strong H-bond disruptor, mildly basic | 8 |
Tm Melting point; α, β, π* Kamlet-Taft solvent parameters (Jessop et al., Green Chem., 2012, 14, 1245). All data shown for room temperature, if not stated otherwise. Literature: [1] Green Chem., 2014, 16, 2546. [2] Russ. J. Gen. Chem. 79, 125–128 (2009. [3] Phys. Chem. Chem. Phys., 2013, 15, 20480. [4] Russ. J. Gen. Chem. 80, 501–506 (2010). [5] ChemSusChem (2013), 6(11), 2161-2169. [6] Chem. Commun., 2009, 6297-6299. [7] Journal of Physical Chemistry B (2016), 120(32), 7906-7919. [8] Cellulose, 2021, 28, 3055-3067
Literature focussing on Ionic liquid based biomass dissolution:
