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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
2089	Selenium hydride	7783-07-5	H2Se	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Critical Data	4	4	(hidden)	Critical Point	4
Density	14	2	212-281 K	Liquid	2
Dielectric Constant	39	3	87-209 K	Solid	3
Entropy	1	1	298-298 K	Gas/Vapor	1
G-function	5	1	298-2000 K	Gas/Vapor	1
Heat of Fusion	1	1	(hidden)	Solid-Liquid	1
Heat of Sublimation	1	1	207-207 K	Vapor-Solid	1
Heat of Transition	2	2	82-173 K	Crystal 3 > Crystal 2	1
				Crystal 2 > Crystal 1	1
Heat of Vaporization	2	2	231-232 K	Vapor-Liquid	2
Ideal Gas Heat Capacity	5	1	298-2000 K	Ideal Gas	1
Melting Point	3	3	(hidden)	Solid-Liquid	2
				Solid-Liquid-Vapor	1
Surface Tension	15	1	235-277 K	Liquid	1
Triple Point	1	1	(hidden)	Solid-Liquid-Vapor	1
Vapor Pressure	89	7	173-373 K	Vapor-Liquid	5
				Vapor-Solid	2
Viscosity (Dynamic)	11	1	220-233 K	Liquid	1

Pure Component Properties Data Bank Information Page

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