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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
237
Propane
74-98-6
C
3
H
8
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
Mixture Data
Number of available sets is shown
Vapor-Liquid Equilibria (
VLE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
21
12
237
Propane
20
Heats of Mixing (
HE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
3
5
237
Propane
n.a.
Gas Solubilities (
GLE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
2
n.a.
237
Propane
19
Activity Coefficients at Infinite Dilution (Pure Solvents) (
ACT
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
n.a.
84
237
Propane
4
Liquid-Liquid Equilibria (Miscibility Gaps) (
LLE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
n.a.
9
237
Propane
7
(A)zeotropic Data (
AZD
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
5
5
237
Propane
n.a.
Solid-Liquid Equilibria (
SLE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
1
n.a.
237
Propane
n.a.
Densities and Volumes of Mixtures, Excess Volumes (
VE
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
n.a.
3
237
Propane
n.a.
Critical Data of Mixtures (
CRI
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
3
1
237
Propane
n.a.
Mixture Viscosities (
VIS
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
15
n.a.
237
Propane
n.a.
Mixture Surface Tensions (
MSFT
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
1
1
237
Propane
n.a.
Mixture Speeds of Sound (
MSOS
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
n.a.
1
237
Propane
n.a.
Mixture P-v-T Data (
MPVT
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
6
n.a.
237
Propane
n.a.
Further Thermodynamic Properties (
X
)
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
19
2
237
Propane
n.a.
Total
DDB#
Name
237
284
N-Methyl-2-pyrrolidone
91
Heptane
76
123
237
Propane
50
Dortmund Data Bank Version: February 2024
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