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Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
4691
Cyclotetramethylene tetranitramine
2691-41-0
C
4
H
8
N
8
O
8
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
Dortmund Data Bank Version: February 2024
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