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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
98	Isoprene	78-79-5	C5H8	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Density	35	13	198-323 K	Liquid	13
Dielectric Constant	6	2	198-298 K	Liquid	2
Entropy	2	2	298-298 K	Gas/Vapor	2
G-function	24	2	273-1500 K	Gas/Vapor	2
Heat of Fusion	2	2	(hidden)	Solid-Liquid	2
Ideal Gas Heat Capacity	40	3	273-1500 K	Ideal Gas	3
Melting Point	4	4	(hidden)	Solid-Liquid	4
Molar Heat Capacity (cP)	115	4	12-304 K	Liquid	2
				Solid	2
Speed of Sound	3	1	249-288 K	Liquid	1
Std. Heat of Formation	1	1	298-298 K	Gas/Vapor	1
Thermal Conductivity	38	3	133-372 K	Liquid	2
				Gas/Vapor	1
Vapor Pressure	175	58	216-373 K	Vapor-Liquid	58
Viscosity (Dynamic)	9	1	274-305 K	Liquid	1

Pure Component Properties Data Bank Information Page

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