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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
257	1-Pentene	109-67-1	C5H10	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	9	9	(hidden)	Critical Point	9
Density	276	32	168-498 K	Liquid	31
				Further States	1
Dielectric Constant	5	3	273-294 K	Liquid	3
Enthalpy (H-H0)/T	8	1	240-350 K	Gas/Vapor	1
Entropy	3	3	298-298 K	Gas/Vapor	3
Entropy (S-S0)	61	3	10-300 K	Metastable Crystal	1
				Liquid	1
				Solid	1
G-function	14	1	298-1500 K	Gas/Vapor	1
Gibbs Energy of Formation/T	8	1	240-350 K	Gas/Vapor	1
Heat of Fusion	3	3	(hidden)	Solid-Liquid	3
Heat of Vaporization	13	2	284-412 K	Vapor-Liquid	2
Ideal Gas Heat Capacity	14	1	298-1500 K	Ideal Gas	1
Melting Point	5	5	(hidden)	Solid-Liquid	5
Molar Heat Capacity (cP)	215	12	11-471 K	Liquid	4
				Solid	3
				Glass	2
				Gas/Vapor	2
				Supercooled Liquid	1
Second Virial Coefficient	15	2	284-410 K	Gas/Vapor	2
Speed of Sound	65	6	143-453 K	Liquid	5
				Liquid Phase of VLE	1
Std. Heat of Formation	2	2	298-298 K	Liquid	2
Thermal Conductivity	67	3	254-375 K	Liquid	2
				Gas/Vapor	1
Vapor Pressure	148	36	193-467 K	Vapor-Liquid	36
Viscosity (Dynamic)	2	2	293-298 K	Gas/Vapor	1
				Liquid	1

Pure Component Properties Data Bank Information Page

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