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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
2201	Urea	57-13-6	CH4N2O	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Decomposition Temperature	5	4	383-518 K	Liquid	2
				Solid	2
Density	7	3	278-408 K	Solid	2
				Liquid	1
Enthalpy (H-H0)	86	3	0-1500 K	Solid	2
				Ideal Gas	1
Entropy	53	3	5-1500 K	Gas/Vapor	2
				Solid	1
Entropy (S-S0)	33	1	10-310 K	Solid	1
G-function	49	2	0-1000 K	Gas/Vapor	1
				Solid	1
Heat of Fusion	20	20	(hidden)	Solid-Liquid	20
Heat of Sublimation	12	2	358-402 K	Vapor-Solid	2
Heat of Vaporization	5	4	351-386 K	Vapor-Solid	4
Ideal Gas Heat Capacity	25	2	100-1500 K	Ideal Gas	2
Melting Point	84	80	(hidden)	Solid-Liquid	80
Molar Heat Capacity (cP)	327	14	5-433 K	Solid	12
				Liquid	2
Std. Heat of Combustion	4	4	298-298 K	Solid	3
				Crystal 1	1
Std. Heat of Formation	3	3	298-298 K	Crystal 1	1
				Gas/Vapor	1
				Solid	1
Surface Tension	1	1	408-408 K	Liquid	1
Vapor Pressure	132	9	329-409 K	Vapor-Solid	9
Viscosity (Dynamic)	1	1	408-408 K	Liquid	1
Octanol-Water Partition Coefficients	7	7	295-298 K

Pure Component Properties Data Bank Information Page

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