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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
1243	Octacosane	630-02-4	C28H58	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	3	3	(hidden)	Critical Point	3
Density	143	15	323-573 K	Liquid	15
Enthalpy	97	2	293-392 K	Liquid	1
				Solid	1
Heat of Fusion	16	16	(hidden)	Solid-Liquid	13
				Rotator > Liquid	1
				Crystal 1 > Liquid	1
				Crystal 2 > Liquid	1
Heat of Transition	11	11	327-331 K	Solid-Solid	7
				Crystal 2 > Crystal 1	3
				Crystal > Rotator	1
Heat of Vaporization	15	8	298-600 K	Vapor-Liquid	8
Melting Point	58	41	(hidden)	Solid-Liquid	41
Molar Heat Capacity (cP)	5	2	293-353 K	Liquid	1
				Solid	1
Speed of Sound	108	6	353-403 K	Liquid	6
Surface Tension	10	1	348-573 K	Vapor-Liquid	1
Thermal Conductivity	10	2	298-353 K	Liquid	1
				Solid	1
Transition Temperature	26	18	(hidden)	Solid-Solid	9
				Crystal 2 > Crystal 1	5
				Crystal1 > Rotator	1
				Rotator > Liquid	1
				Crystal > Rotator	1
				Crystal 3 > Crystal 2	1
Vapor Pressure	184	21	323-588 K	Vapor-Liquid	20
				Further States	1
Viscosity (Dynamic)	22	4	323-574 K	Liquid	4
Mixture Flash Points	2	1	601-611 K	n.a.	n.a.

Pure Component Properties Data Bank Information Page
Why are pure component data in a mixture data bank (MSOS, MTCN, etc.)?

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