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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
1642	Hydroquinone	123-31-9	C6H6O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Decomposition Temperature	1	1	521-521 K	Solid	1
Density	4	4	293-445 K	Liquid	4
Entropy	1	1	298-298 K	Gas/Vapor	1
G-function	19	1	50-1500 K	Gas/Vapor	1
Heat of Fusion	9	9	(hidden)	Solid-Liquid	8
				Solid-Liquid-Vapor	1
Heat of Sublimation	85	15	298-382 K	Vapor-Solid	15
Heat of Vaporization	2	2	298-352 K	Vapor-Liquid	1
				Vapor-Solid	1
Ideal Gas Heat Capacity	19	1	50-1500 K	Ideal Gas	1
Melting Point	52	49	(hidden)	Solid-Liquid	47
				Further States	2
Molar Heat Capacity (cP)	106	6	28-413 K	Solid	6
Speed of Sound	4	1	447-473 K	Liquid	1
Standard Heat of Melting	1	1	298-298 K	Solid-Liquid	1
Standard Heat of Sublimation	1	1	298-298 K	Vapor-Solid	1
Std. Heat of Combustion	5	5	298-298 K	Solid	4
				Crystal 1	1
Std. Heat of Formation	8	8	298-298 K	Solid	6
				Crystal 1	1
				Gas/Vapor	1
Transition Temperature	1	1	(hidden)	Crystal 2 > Crystal 1	1
Triple Point	1	1	(hidden)	Crystal 1-Crystal 2-Liquid	1
Vapor Pressure	69	9	323-559 K	Vapor-Solid	7
				Vapor-Liquid	2
Octanol-Water Partition Coefficients	12	12	293-298 K

Pure Component Properties Data Bank Information Page

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