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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
13	Ethylene oxide	75-21-8	C2H4O	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	2	2	(hidden)	Critical Point	2
Density	171	15	221-469 K	Liquid	7
				Liquid Phase of VLE	4
				Vapor Phase of VLE	2
				Gas/Vapor	2
Dielectric Constant	4	2	272-449 K	Gas/Vapor	1
				Liquid	1
Enthalpy (H-H0)	26	2	0-1500 K	Ideal Gas	2
Enthalpy (H-H298)	20	2	322-422 K	Vapor Phase of VLE	1
				Liquid Phase of VLE	1
Entropy	27	11	100-1500 K	Gas/Vapor	10
				Ideal Gas	1
G-function	83	6	100-3000 K	Gas/Vapor	6
Heat of Vaporization	6	2	284-284 K	Vapor-Liquid	2
Ideal Gas Heat Capacity	109	10	100-3000 K	Ideal Gas	10
Melting Point	8	8	(hidden)	Solid-Liquid	8
Molar Heat Capacity (cP)	52	3	15-303 K	Gas/Vapor	1
				Liquid	1
				Solid	1
Second Virial Coefficient	4	1	298-368 K	Gas/Vapor	1
Speed of Sound	334	24	285-440 K	Gas/Vapor	24
Std. Heat of Combustion	2	2	298-298 K	Gas/Vapor	1
				Liquid	1
Std. Heat of Formation	3	3	298-298 K	Gas/Vapor	2
				Liquid	1
Surface Tension	27	3	221-293 K	Liquid	3
Thermal Conductivity	23	4	273-673 K	Gas/Vapor	4
Vapor Pressure	129	23	182-469 K	Vapor-Liquid	23
Viscosity (Dynamic)	16	3	219-303 K	Liquid	2
				Gas/Vapor	1
Viscosity (Kinematic)	4	1	243-273 K	Liquid	1
Octanol-Water Partition Coefficients	2	2	ambient

Pure Component Properties Data Bank Information Page

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