The ability of ILs to directly dissolve biological macromolecules, such as cellulose, lignin, hemicellulose, chitin, silk ﬁbroin, wool keratin, etc., has generated intense worldwide academic and industrial interest in a relatively short period of time. Selective to complete dissolution of these biological macromolecules using ILs can now be carried out under unmatched mild conditions, without evaporation of solvent molecules, and the ILs can be easily recycled and reused. Moreover, in general there is no signiﬁcant decrease in the molecular mass of the regenerated macromolecules and chemical modiﬁcations of the dissolved macromolecules can easily be conducted with ILs suitable to the reaction conditions. All these advantages make the dissolution of macromolecules with ILs a desirable and promising process (H.Wang et al. 2014).
Advantages of ionic liquids as solvents
The ﬁrst application of ILs in processing biomass was the dissolution of pure cellulose using imidazolium ILs. Since then, studies on the application of ILs in biomass chemistry have made great progress and now many ILs have been found to be able to dissolve biopolymers. A given type of IL might dissolve quite different biopolymers (H.Wang et al.2014).
We have recently broadened our portfolio of dissolving ionic liquids by 1-Ethyl-3-methylimidazolium octanoate (EMIM OOc) with high quality >98%. EMIM Octanoate is liquid at room temperature and stable against hydrolyses in water. EMIM Octanoate is highly soluble in water and DMSO.
proionic's extrHEMP has shown to have to effectively & gently dissolve hemp buds within one hour using one single solvent. extrHEMP is non-toxic and recylclable. Profit from the power of ionic liquids for biomass dissolution and contact our team.
|Medium H-bond disruptor, strongly basic||1|
|1.22 (90°C)||0.76 (90°C)||Medium H-bond disruptor, mildly basic||1|
|EMIM-OAc||143314-17-4||- 20 °C||0.47
|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:  Green Chem., 2014, 16, 2546.  Russ. J. Gen. Chem. 79, 125–128 (2009.  Phys. Che m. Chem. Phys., 2013, 15, 20480.  Russ. J. Gen. Chem. 80, 501–506 (2010).  ChemSusChem (2013), 6(11), 2161-2169.  Chem. Commun., 2009, 6297-6299.  Journal of Physical Chemistry B (2016), 120(32), 7906-7919.  Cellulose, 2021, 28, 3055-3067