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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
5389
5,5-Diethylbarbituric acid
57-44-3
C
8
H
1
2
N
2
O
3
Overview
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Pure Component Data
Property
Points
Sets
Temperature
Range
States
Sets
Heat of Fusion
4
4
(hidden)
Solid-Liquid
4
Heat of Sublimation
2
2
298-366 K
Vapor-Solid
2
Heat of Transition
1
1
413-413 K
Crystal 2 > Crystal 1
1
Melting Point
14
14
(hidden)
Solid-Liquid
14
Molar Heat Capacity (cP)
36
2
265-455 K
Crystal 2
1
Crystal 1
1
Std. Heat of Combustion
3
3
289-298 K
Solid
2
Crystal 1
1
Std. Heat of Formation
3
3
298-298 K
Crystal 1
1
Gas/Vapor
1
Solid
1
Vapor Pressure
33
3
355-377 K
Vapor-Solid
3
Octanol-Water
Partition Coefficients
11
11
294-310 K
Pure Component Properties Data Bank Information Page
Dortmund Data Bank Version: February 2024
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