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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
2630	Arachidic acid	506-30-9	C20H40O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	1	1	(hidden)	Critical Point	1
Density	5	3	293-373 K	Liquid	2
				Solid	1
Heat of Fusion	3	3	(hidden)	Solid-Liquid	2
				Solid-Liquid-Vapor	1
Heat of Sublimation	3	2	298-346 K	Vapor-Solid	2
Heat of Vaporization	1	1	393-393 K	Vapor-Liquid	1
Melting Point	26	24	(hidden)	Solid-Liquid	24
Molar Heat Capacity (cP)	50	2	90-340 K	Crystal 2	1
				Crystal 1	1
Std. Heat of Combustion	7	5	288-298 K	Liquid	2
				Solid	2
				Crystal 1	1
Std. Heat of Formation	3	3	298-298 K	Crystal 1	1
				Liquid	1
				Solid	1
Transition Temperature	1	1	(hidden)	Crystal 3 > Crystal 2	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	40	6	337-488 K	Vapor-Liquid	5
				Vapor-Solid	1

Pure Component Properties Data Bank Information Page

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