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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
4691	Cyclotetramethylene tetranitramine	2691-41-0	C4H8N8O8	Overview

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Pure Component Data

Property	Points	Sets	Temperature Range	States	Sets
Decomposition Temperature	7	6	549-556 K	Solid	5
				Solid-Liquid	1
Density	5	5	298-298 K	Metastable Crystal 4	1
				Metastable Crystal 3	1
				Metastable Crystal 2	1
				Crystal 1	1
				Solid	1
Entropy	1	1	298-298 K	Gas/Vapor	1
Entropy (S-S0)	65	1	0-6000 K	Ideal Gas	1
Heat of Fusion	1	1	(hidden)	Solid-Liquid	1
Heat of Sublimation	3	2	387-474 K	Vapor-Solid	2
Ideal Gas Heat Capacity	74	2	100-6000 K	Ideal Gas	2
Melting Point	7	7	(hidden)	Solid-Liquid	7
Molar Heat Capacity (cP)	32	4	298-800 K	Crystal 2	1
				Crystal 1	1
				Liquid	1
				Solid	1
Standard Heat of Sublimation	1	1	298-298 K	Vapor-Solid	1
Std. Heat of Combustion	1	1	298-298 K	Solid	1
Std. Heat of Formation	2	2	298-298 K	Solid	2
Transition Temperature	9	9	(hidden)	Crystal 4 > Crystal 2	2
				Crystal 2 > Crystal 1	2
				Solid-Solid	2
				Crystal 4 > Crystal 1	1
				Crystal 4 > Crystal 3	1
				Crystal 3 > Crystal 2	1
Vapor Pressure	29	3	371-487 K	Vapor-Solid	3

Pure Component Properties Data Bank Information Page

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