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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
4055	N,N-Diethylurea	634-95-7	C5H12N2O	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Density	1	1	293-293 K	Solid	1
G-function	40	2	0-330 K	Crystal 2	1
				Crystal 1	1
Heat of Fusion	3	3	(hidden)	Solid-Liquid	2
				Solid	1
Heat of Sublimation	15	2	312-339 K	Vapor-Solid	2
Heat of Transition	1	1	197-197 K	Crystal 2 > Crystal 1	1
Heat of Vaporization	4	4	320-361 K	Vapor-Liquid	2
				Vapor-Solid	2
Melting Point	1	1	(hidden)	Solid-Liquid	1
Molar Heat Capacity (cP)	110	7	11-400 K	Crystal 2	3
				Crystal 1	3
				Liquid	1
Std. Heat of Formation	2	2	298-298 K	Gas/Vapor	1
				Solid	1
Vapor Pressure	36	3	305-372 K	Vapor-Solid	2
				Vapor-Liquid	1

Pure Component Properties Data Bank Information Page

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