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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
1327	Heneicosane	629-94-7	C21H44	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	4	4	(hidden)	Critical Point	4
Density	29	7	313-473 K	Liquid	7
Enthalpy	136	2	298-437 K	Liquid	1
				Solid	1
Heat of Fusion	5	5	(hidden)	Solid-Liquid	4
				Rotator > Liquid	1
Heat of Transition	4	4	304-306 K	Crystal 2 > Crystal 1	2
				Crystal > Rotator	1
				Solid-Solid	1
Heat of Vaporization	1	1	298-298 K	Vapor-Liquid	1
Melting Point	31	20	(hidden)	Solid-Liquid	20
Molar Heat Capacity (cP)	8	1	316-433 K	Liquid	1
Speed of Sound	26	3	323-523 K	Liquid Phase of VLE	2
				Liquid	1
Surface Tension	19	2	323-573 K	Liquid	2
Thermal Conductivity	63	2	333-613 K	Liquid	2
Transition Temperature	17	9	(hidden)	Solid-Solid	3
				Crystal 2 > Crystal 1	2
				Crystal 1-Crystal 2-Liquid	1
				Crystal > Plastic	1
				Rotator > Liquid	1
				Crystal > Rotator	1
Vapor Pressure	127	11	329-632 K	Vapor-Liquid	11
Viscosity (Dynamic)	39	8	323-497 K	Liquid	8
Viscosity (Kinematic)	11	2	318-383 K	Liquid	2

Pure Component Properties Data Bank Information Page

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