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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
242	Oleic acid	112-80-1	C18H34O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Decomposition Temperature	1	1	503-503 K	Liquid	1
Density	115	24	236-453 K	Liquid	22
				Solid	2
Dielectric Constant	10	3	293-373 K	Liquid	3
Entropy of Fusion	1	1	(hidden)	Crystal 3 > Liquid	1
Flash Point	1	1	(hidden)	Liquid	1
Freezing Point (Supercooled Liq. to Crystal/Solid)	3	3	277-284 K	Supercooled Liquid - Solid	2
				Crystal > supercooled Crystal	1
Heat of Fusion	8	8	(hidden)	Solid-Liquid	6
				Crystal 1 > Liquid	2
Heat of Transition	4	4	234-271 K	Crystal 3 > Crystal 1	2
				Crystal 3 > Crystal 2	1
				Solid-Solid	1
Heat of Vaporization	2	2	289-298 K	Vapor-Liquid	2
Melting Point	36	32	(hidden)	Solid-Liquid	25
				Crystal 2 > Liquid	3
				Crystal 1 > Liquid	2
				Further States	2
Molar Heat Capacity (cP)	27	2	318-474 K	Liquid	2
Speed of Sound	12	4	273-353 K	Liquid	4
Std. Heat of Combustion	7	6	293-298 K	Liquid	4
				Crystal 1	1
				Solid	1
Std. Heat of Formation	3	3	298-298 K	Liquid	2
				Crystal 1	1
Surface Tension	17	9	293-368 K	Liquid	9
Thermal Conductivity	6	2	298-421 K	Liquid	2
Transition Temperature	6	6	(hidden)	Solid-Solid	2
				Smectic Liquid > Isotropic Liquid	1
				Crystal 2 > Crystal 3	1
				Crystal 3 > Crystal 1	1
				Solid	1
Vapor Pressure	56	9	331-625 K	Vapor-Liquid	9
Viscosity (Dynamic)	101	12	288-471 K	Liquid	12
Viscosity (Kinematic)	25	4	298-373 K	Liquid	4

Pure Component Properties Data Bank Information Page

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