. 2024 Feb 6;124(4):1649–1737. doi: 10.1021/acs.chemrev.3c00512

Table 3. Physical Properties and Physical and Chemical CO₂ Solubilities of Most Relevant ILs Evaluated in Chemical CO₂ Absorption.

ILs	MW (g/mol)	ρ (kg/m³)	μ (mPa·s)	K_H (bar)	K_eq	ΔH_R (kJ/mol)	mol_CO2/kg_IL (1 bar, 40 °C)
[P₂₂₂₈][2CNPyr]	322.47	940	163.45	6.7	1,389.84	–47.72	–47.72
[P₆₆₆₁₄][2CNPyr]	574.95	900	166.42	3.93	421.61	–39.77	–39.77
[bmim][MeCOO]	198.26	1,030	179.79	9.31	65.56	–35.12	–35.12
[bmim][i-but]	226.32	1,010	198.02	13.57	25.4	–19.38	–19.38
[bmim][GLY]	213.28	1,030	423.87	18.06	6.78	–22.92	–22.92
[bmim][PRO]	253.34	1,060	891.32	17.15	5.6	–14.03	–14.03

Table 3. Physical Properties and Physical and Chemical CO2 Solubilities of Most Relevant ILs Evaluated in Chemical CO2 Absorption.