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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
3900	Oxalic acid	144-62-7	C2H2O4	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Heat of Fusion	1	1	(hidden)	Solid-Liquid	1
Heat of Sublimation	6	6	298-324 K	Vapor-Solid	6
Melting Point	9	9	(hidden)	Solid-Liquid	9
Molar Heat Capacity (cP)	183	8	10-367 K	Solid	6
				Crystal 2	1
				Crystal 1	1
Std. Heat of Combustion	6	6	293-298 K	Solid	4
				Crystal 2	1
				Crystal 1	1
Std. Heat of Formation	4	4	293-298 K	Solid	2
				Crystal 2	1
				Crystal 1	1
Transition Temperature	1	1	(hidden)	Crystal 2 > Crystal 1	1
Triple Point	2	2	(hidden)	Crystal 2 > Crystal 1 > Gas	2
Vapor Pressure	134	11	292-378 K	Vapor-Solid	4
				Crystal 2-Vapor	3
				Crystal 1-Vapor	3
				Supercooled Liquid > Vapor	1

Pure Component Properties Data Bank Information Page

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