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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
367	2,3-Dimethylbutane	79-29-8	C₆H₁₄	Overview

Property	Points	Sets	Temperature Range	States	Sets
Compressibility (isentropic)	4	4	298-298 K	Liquid	4
Critical Data	17	17	(hidden)	Critical Point	17
Density	1071	98	173-548 K	Liquid	84
				Further States	14
Dielectric Constant	6	1	273-323 K	Liquid	1
Diffusion Coefficient	1	1	298-298 K	Liquid	1
Entropy	2	2	298-298 K	Gas/Vapor	2
G-function	23	2	298-1500 K	Gas/Vapor	2
Heat of Fusion	2	2	(hidden)	Solid-Liquid	2
Heat of Transition	1	1	136-136 K	Solid-Solid	1
Heat of Vaporization	31	5	293-501 K	Vapor-Liquid	5
Ideal Gas Heat Capacity	28	3	298-1500 K	Ideal Gas	3
Melting Point	22	17	(hidden)	Solid-Liquid	17
Molar Heat Capacity (cP)	284	23	13-320 K	Liquid	12
				Crystal 2	4
				Supercooled Liquid	2
				Glass	2
				Crystal 1	2
				Further States	1
Molar Heat Capacity (cV)	1	1	298-298 K	Liquid	1
Second Virial Coefficient	11	2	296-500 K	Gas/Vapor	2
Speed of Sound	9	9	290-298 K	Liquid	9
Std. Heat of Formation	2	2	298-298 K	Gas/Vapor	2
Surface Tension	8	3	273-323 K	Liquid	3
Thermal Conductivity	81	8	257-361 K	Liquid	8
Thermal Expansion Coefficient	1	1	298-298 K	Liquid	1
Transition Temperature	24	6	(hidden)	Solid-Solid	2
				Crystal 5 > Crystal 4	1
				Crystal 4 > Crystal 3	1
				Crystal 3 > Crystal 2	1
				Crystal 2 > Crystal 1	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	144	39	260-501 K	Vapor-Liquid	39
Viscosity (Dynamic)	106	9	273-423 K	Liquid	8
				Gas/Vapor	1
Octanol-Water Partition Coefficients	3	3	298 K

Dortmund Data Bank Version: February 2024

What are "Sets" and "Points" in the Dortmund Data Bank?	© Dortmund Data Bank by DDBST GmbH
Online DDB search information page	Overall Statistics on Systems, Sets, and Points
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