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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
766	Pyrocatechol	120-80-9	C6H6O2	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	1	1	(hidden)	Critical Point	1
Decomposition Temperature	1	1	475-475 K	Solid	1
Density	19	6	298-518 K	Liquid	4
				Solid	2
Dielectric Constant	7	1	388-463 K	Liquid	1
Entropy	1	1	298-298 K	Gas/Vapor	1
G-function	19	1	50-1500 K	Gas/Vapor	1
Heat of Fusion	13	11	(hidden)	Solid-Liquid	10
				Solid-Liquid-Vapor	1
Heat of Sublimation	70	11	298-377 K	Vapor-Solid	11
Heat of Vaporization	7	6	298-410 K	Vapor-Liquid	4
				Vapor-Solid	2
Ideal Gas Heat Capacity	19	1	50-1500 K	Ideal Gas	1
Melting Point	50	50	(hidden)	Solid-Liquid	50
Molar Heat Capacity (cP)	72	5	110-353 K	Solid	5
Speed of Sound	7	1	388-463 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	6	6	298-298 K	Solid	5
				Crystal 1	1
Std. Heat of Formation	9	9	298-298 K	Solid	5
				Gas/Vapor	3
				Crystal 1	1
Surface Tension	2	1	404-457 K	Liquid	1
Vapor Pressure	94	11	295-755 K	Vapor-Liquid	8
				Vapor-Solid	3
Viscosity (Dynamic)	15	3	383-505 K	Liquid	3
Octanol-Water Partition Coefficients	22	22	293-298 K

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