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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
31
Benzene
71-43-2
C
6
H
6
Overview
Details
50
Cyclohexane
110-82-7
C
6
H
1
2
Overview
Details
91
Heptane
142-82-5
C
7
H
1
6
Overview
Details
284
N-Methyl-2-pyrrolidone
872-50-4
C
5
H
9
NO
Overview
Details
Search for mixtures containing this mixture as subsystem
Search data for binary subsystems
Mixture Data
Databank
Sets
Points
Temperature
Range
Pressure
Range
Vapor-Liquid Equilibria
VLE
7
202
293-475 K
6-101 kPa
31
50
91
1
31
50
91
284
1
31
50
284
1
31
91
284
4
Heats of Mixing
HE
7
91
293-298 K
n.a.
31
50
91
7
Liquid-Liquid Equilibria (Miscibility Gaps)
LLE
2
10
298 K (const.)
n.a.
31
91
284
2
(A)zeotropic Data
AZD
1
1
n.a.
101 kPa (const.)
31
91
284
1
Densities and Volumes of Mixtures, Excess Volumes
VE
8
56
293-343 K
n.a.
31
50
91
7
31
50
284
1
Mixture Speeds of Sound
MSOS
1
28
308 K (const.)
n.a.
31
50
284
1
Further Thermodynamic Properties
X
3
18
433-493 K
2000-4000 kPa
31
50
91
3
Total
29
406
31
50
91
18
31
50
91
284
1
31
50
284
3
31
91
284
7
Dortmund Data Bank Version: February 2024
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