NIST TRC ThermoML Dataset

Solubility and Diffusivity of Difluoromethane in Room-Temperature Ionic Liquids Shiflett, M.B.; Harmer, M.A.; Junk, C.P.; Yokozeki, A.; Journal of Chemical & Engineering Data 2006, 51, 483-495

Journal: Journal of Chemical & Engineering Data
Sample Quantity(ies): Thermal diffusivity
Methodology: time dependent absorption data
Phase(s): Liquid
Substances:
1. difluoromethane CH2F2 (RWRIWBAIICGTTQ-UHFFFAOYSA-N) - Commercial source
2. 1-butyl-3-methylimidazolium 2-(1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate C12H16F8N2O4S (HIKOQOQWZDKNLH-UHFFFAOYSA-M) - Synthesized by the authors

Data

T = 298.15 K
x (mol mol^-1)	κ (m²/s)
0.0090	4.3e-11
0.0920	4.3e-11
0.2140	5.4e-11
0.3190	9.1e-11
0.4150	1e-10
0.4970	1.5e-10
0.6380	2.8e-10

18858; difluoromethane + 1-butyl-3-methylimidazolium 2-(1,2,2,2-tetrafluoroethoxy)-1,1,2,2-tetrafluoroethanesulfonate; 00222:03702