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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
1130	Octadecane	593-45-3	C18H38	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	7	7	(hidden)	Critical Point	7
Density	289	43	288-747 K	Liquid	40
				Further States	3
Diffusion Coefficient	1	1	323-323 K	Liquid	1
Enthalpy	97	2	293-392 K	Liquid	1
				Solid	1
Freezing Point (Supercooled Liq. to Crystal/Solid)	1	1	291-291 K	Solid-Liquid	1
Heat of Crystallization	1	1	301-301 K	Solid-Liquid	1
Heat of Fusion	23	23	(hidden)	Solid-Liquid	23
Heat of Sublimation	2	2	293-298 K	Vapor-Solid	2
Heat of Vaporization	20	11	298-463 K	Vapor-Liquid	9
				Vapor-Solid	2
Melting Point	102	66	(hidden)	Solid-Liquid	63
				Further States	3
Molar Heat Capacity (cP)	153	6	12-401 K	Liquid	3
				Solid	3
Molar Heat Capacity (cV)	3	1	325-375 K	Liquid	1
Speed of Sound	154	10	303-393 K	Liquid	9
				Liquid Phase of VLE	1
Standard Heat of Sublimation	1	1	298-298 K	Vapor-Solid	1
Std. Heat of Formation	2	2	298-298 K	Gas/Vapor	1
				Solid	1
Surface Tension	27	4	273-443 K	Liquid	3
				Liquid Phase of VLE	1
Thermal Conductivity	433	44	259-693 K	Liquid	36
				Solid	5
				Further States	3
Transition Temperature	3	3	(hidden)	Solid-Solid	2
				Crystal 2 > Crystal 1	1
Vapor Pressure	157	31	286-591 K	Vapor-Liquid	29
				Vapor-Solid	2
Viscosity (Dynamic)	450	64	303-534 K	Liquid	64
Viscosity (Kinematic)	5	1	304-362 K	Liquid	1

Pure Component Properties Data Bank Information Page

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