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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
94	2-Methylbutane	78-78-4	C5H12	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	19	19	(hidden)	Critical Point	19
Density	1421	85	115-573 K	Liquid	61
				Gas/Vapor	9
				Vapor Phase of VLE	5
				Supercritical	5
				Further States	5
Dielectric Constant	54	7	143-298 K	Liquid	7
Entropy	4	4	298-298 K	Gas/Vapor	4
Freezing Point (Supercooled Liq. to Crystal/Solid)	5	1	105-108 K	Solid-Liquid	1
G-function	28	2	298-1500 K	Gas/Vapor	2
Heat of Fusion	3	3	(hidden)	Solid-Liquid	3
Heat of Vaporization	30	3	279-461 K	Vapor-Liquid	3
Ideal Gas Heat Capacity	56	5	260-1500 K	Ideal Gas	5
Melting Point	31	20	(hidden)	Solid-Liquid	20
Molar Heat Capacity (cP)	465	39	13-299 K	Liquid	25
				Solid	12
				Further States	2
Second Virial Coefficient	11	2	279-473 K	Gas/Vapor	2
Speed of Sound	311	15	203-420 K	Liquid	15
Std. Heat of Formation	4	4	298-298 K	Gas/Vapor	4
Surface Tension	7	5	283-293 K	Liquid	5
Thermal Conductivity	106	13	254-673 K	Gas/Vapor	7
				Liquid	6
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	411	84	187-461 K	Vapor-Liquid	84
Viscosity (Dynamic)	397	37	113-523 K	Liquid	27
				Gas/Vapor	9
				Further States	1

Pure Component Properties Data Bank Information Page

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