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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#
Name
CAS-RN
Formula
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
463
Diethylene glycol
111-46-6
C
4
H
1
0
O
3
Overview
Details
Search for mixtures containing this mixture as subsystem
Mixture Data
Number of available sets is shown
Vapor-Liquid Equilibria (
VLE
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
12
1
284
N-Methyl-2-pyrrolidone
4
Heats of Mixing (
HE
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
5
n.a.
284
N-Methyl-2-pyrrolidone
1
Activity Coefficients at Infinite Dilution (Pure Solvents) (
ACT
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
84
42
284
N-Methyl-2-pyrrolidone
n.a.
Liquid-Liquid Equilibria (Miscibility Gaps) (
LLE
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
9
7
284
N-Methyl-2-pyrrolidone
n.a.
(A)zeotropic Data (
AZD
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
5
1
284
N-Methyl-2-pyrrolidone
4
Solid-Liquid Equilibria (
SLE
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
n.a.
n.a.
284
N-Methyl-2-pyrrolidone
1
Densities and Volumes of Mixtures, Excess Volumes (
VE
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
3
n.a.
284
N-Methyl-2-pyrrolidone
2
Critical Data of Mixtures (
CRI
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
1
n.a.
284
N-Methyl-2-pyrrolidone
n.a.
Mixture Viscosities (
VIS
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
n.a.
n.a.
284
N-Methyl-2-pyrrolidone
3
Mixture Surface Tensions (
MSFT
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
1
n.a.
284
N-Methyl-2-pyrrolidone
2
Mixture Speeds of Sound (
MSOS
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
1
n.a.
284
N-Methyl-2-pyrrolidone
n.a.
Further Thermodynamic Properties (
X
)
DDB#
Name
284
463
Diethylene glycol
91
Heptane
2
n.a.
284
N-Methyl-2-pyrrolidone
3
Total
DDB#
Name
284
463
Diethylene glycol
91
Heptane
123
51
284
N-Methyl-2-pyrrolidone
20
Dortmund Data Bank Version: February 2024
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