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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
43847	(E)-1,1,1,4,4,4-Hexafluorobut-2-ene	66711-86-2	C4H2F6	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	2	2	(hidden)	Critical Point	2
Density	233	18	323-523 K	Gas/Vapor	5
				Liquid	5
				Vapor Phase of VLE	3
				Liquid Phase of VLE	3
				Near Critical (only used if exact determination can't be made)	1
				Supercritical	1
Dielectric Constant	36	6	303-403 K	Gas/Vapor	6
Ideal Gas Heat Capacity	19	2	303-403 K	Ideal Gas	2
Molar Heat Capacity (cP)	33	5	308-363 K	Gas/Vapor	5
Molar Polarization	6	1	303-403 K	Ideal Gas	1
Speed of Sound	134	20	298-403 K	Gas/Vapor	20
Surface Tension	52	5	228-364 K	Liquid	5
Thermal Conductivity	263	18	254-453 K	Supercritical	6
				Gas/Vapor	5
				Liquid	5
				Liquid Phase of VLE	2
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	79	7	278-404 K	Vapor-Liquid	7
Viscosity (Dynamic)	102	5	279-454 K	Supercritical	2
				Liquid	2
				Gas/Vapor	1
Viscosity (Kinematic)	22	1	303-399 K	Liquid	1

Pure Component Properties Data Bank Information Page

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