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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
1401	2,2-Dimethyl-1,3-propanediol	126-30-7	C5H12O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	2	2	(hidden)	Critical Point	2
Dielectric Constant	12	4	408-423 K	Liquid	4
Enthalpy (H-H298)	65	3	80-395 K	Crystal 2	1
				Crystal 1	1
				Solid	1
Heat of Fusion	5	5	(hidden)	Solid-Liquid	3
				Liquid > Plastic	1
				Crystal 1 > Liquid	1
Heat of Transition	15	12	60-326 K	Solid-Solid	7
				Crystal 2 > Crystal 1	4
				Crystal > Plastic	1
Melting Point	16	15	(hidden)	Solid-Liquid	14
				Crystal 1 > Liquid	1
Molar Heat Capacity (cP)	382	17	15-448 K	Solid	6
				Crystal 1	4
				Liquid	4
				Crystal 2	2
				Solid-Solid	1
Std. Heat of Formation	1	1	298-298 K	Solid	1
Thermal Conductivity	24	3	293-433 K	Solid	2
				Liquid	1
Transition Temperature	8	8	(hidden)	Solid-Solid	5
				Crystal 2 > Crystal 1	3
Vapor Pressure	68	10	284-480 K	Vapor-Liquid	4
				Vapor-Solid	4
				Crystal 2-Vapor	1
				Crystal 1-Vapor	1

Pure Component Properties Data Bank Information Page

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