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Dortmund Data Bank Thermophysical Data for Process Design Contact: ☎ +49 441 361819 0 or ✉ info@ddbst.com

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DDB#	Name	CAS-RN	Formula
18161	1-Octyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide	178631-04-4	C14H23F6N3O4S2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Density	256	38	273-473 K	Liquid	38
Dielectric Constant	19	1	298-298 K	Liquid	1
Diffusion Coefficient	1	1	297-297 K	Liquid	1
Entropy of Vaporization	2	1	298-484 K	Vapor-Liquid	1
Heat of Fusion	4	4	(hidden)	Crystal 1 > Liquid	1
				Crystal 3 > Liquid	1
				Crystal 2 > Liquid	1
				Solid-Liquid	1
Heat of Transition	1	1	171-171 K	Crystal 2 > Crystal 1	1
Heat of Vaporization	11	8	298-578 K	Vapor-Liquid	8
Molar Heat Capacity (cP)	756	33	0-535 K	Liquid	13
				Crystal 3	11
				Crystal 2	4
				Crystal 1	3
				Glass	2
Speed of Sound	8	2	288-313 K	Liquid	2
Surface Tension	46	8	283-513 K	Liquid	8
Thermal Conductivity	17	3	293-354 K	Liquid	3
Transition Temperature	4	4	(hidden)	Liquid > Glas	3
				Glass > Crystal	1
Vapor Pressure	19	2	455-498 K	Vapor-Liquid	2
Viscosity (Dynamic)	62	10	263-363 K	Liquid	10
Octanol-Water Partition Coefficients	5	5	297-303 K
Electrical Conductivities	47	5	273-468 K	n.a.	n.a.
Mixture Dielectric Constants	1	1	298-298 K	n.a.	n.a.

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