Table 2. Hansen solubility parameters (HSP) and Kamlet–Taft parameters (KT) of selected bio-renewable solvents.

Solvent	Hansen solubility parameters (HSP)			Kamlet–Taft parameters (KT)
	δ D	δ P	δ H	π*	β	α
γ-Valerolactone (GVL)	15.5	4.7	6.6	0.83	0.60	0.00
2-MeTHF	16.9	4.0	5.3	0.53	0.58	0.00
Propylene carbonate	20	18	4.1	0.90	0.38	0.00
Cyrene	20.3	18.2	10.9	0.90	0.39	0.00
DMSO	18.8	10.6	6.9	0.00	0.76	1.00
DCM	18.2	6.3	6.1	0.13	0.10	0.13
Cyclopentanone	18.4	16.4	10.2	1.00	0.76	0.00
Cyclohexanone	17.9	11.9	5.2	0.76	0.52	0.00
TMO	17.8	8.4	5.1	0.68	0.53	0.00
Eucalyptol	15.4	2.4	2.1	0.35	0.77	0.00
DMI	16.7	4.6	3.4	0.36	0.61	0.00
Cyclopentyl methyl ether	17.6	7.1	7.5	0.84	0.43	0.00
Methyl tert-butyl ether	16.7	4.3	4.3	0.42	0.53	0.00
Acetonitrile	14.8	4.3	5.0	0.25	0.45	0.19
Acetone	15.5	10.4	7.0	0.71	0.48	0.08
DMAc	16.8	11.5	10.2	0.88	0.76	0.00
DMF	17.4	13.7	11.3	0.88	0.79	0.00
NMP	18.0	12.0	7.0	0.92	0.77	0.00
NBP	17.5	9.9	5.8	0.77	0.92	0.00
1,4-Dioxane	17.5	1.8	9.0	0.55	0.37	0.00
Diethyl ether	14.5	2.9	5.1	0.27	0.47	0.00
DMC	15.5	8.6	9.7	0.47	0.38	0.00
Cygnet	18.3	7.3	7.4	1.09	0.17	0.00