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 Dortmund Data Bank
Thermophysical Data for Process Design
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Query
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DDB# Name CAS-RN Formula
41 n-Butane 106-97-8 C4H10 Overview Details
94 2-Methylbutane 78-78-4 C5H12 Overview Details
134 Pentane 109-66-0 C5H12 Overview Details
237 Propane 74-98-6 C3H8 Overview Details
1051 Methane 74-82-8 CH4 Overview Details
1054 Ethane 74-84-0 C2H6 Overview Details
Search for mixtures containing this mixture as subsystem

Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane 3 14 81 115 58
94 2-Methylbutane 3 26 14 n.a.
134 Pentane 51 115 25
237 Propane 143 90
1051 Methane 171

Heats of Mixing (HE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. 10 3
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane n.a. 9 n.a.
237 Propane 13 28
1051 Methane 11

Gas Solubilities (GLE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. 1 n.a. 1 1
94 2-Methylbutane n.a. n.a. 1 n.a.
134 Pentane 1 3 1
237 Propane 1 n.a.
1051 Methane n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. 3 n.a.
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane n.a. n.a. n.a.
237 Propane 9 n.a.
1051 Methane n.a.

(A)zeotropic Data (AZD)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane 3 6 38 36 21
94 2-Methylbutane 7 10 7 n.a.
134 Pentane 23 54 6
237 Propane 34 28
1051 Methane 53

Solid-Liquid Equilibria (SLE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. 5 2
94 2-Methylbutane 2 n.a. 1 n.a.
134 Pentane 1 7 1
237 Propane 2 2
1051 Methane 5

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. 1 145 1 1
94 2-Methylbutane n.a. 80 9 n.a.
134 Pentane n.a. n.a. n.a.
237 Propane 4 40
1051 Methane 42

Critical Data of Mixtures (CRI)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. 2 9 7 10
94 2-Methylbutane n.a. 1 2 n.a.
134 Pentane 3 4 5
237 Propane 8 6
1051 Methane 6

Mixture Viscosities (VIS)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. 5 32 5
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane n.a. 1 n.a.
237 Propane 93 13
1051 Methane 43

Mixture Surface Tensions (MSFT)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. n.a. n.a.
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane 9 1 1
237 Propane 5 n.a.
1051 Methane 9

Mixture Speeds of Sound (MSOS)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. 10 n.a.
94 2-Methylbutane n.a. n.a. 9 n.a.
134 Pentane n.a. n.a. n.a.
237 Propane 21 n.a.
1051 Methane 11

Mixture Thermal Conductivities (MTCN)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. n.a. 7 n.a.
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane 4 n.a. n.a.
237 Propane 12 n.a.
1051 Methane 1

Mixture Dielectric Constants (MDEC)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. 2 1 n.a.
94 2-Methylbutane n.a. 1 n.a. n.a.
134 Pentane n.a. n.a. n.a.
237 Propane 3 1
1051 Methane 6

Mixture P-v-T Data (MPVT)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. 6 34 185 13
94 2-Methylbutane n.a. 6 40 n.a.
134 Pentane 45 79 92
237 Propane 160 88
1051 Methane 81

Diffusion Coefficients (DIF)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. 1 1 1
94 2-Methylbutane n.a. n.a. n.a. n.a.
134 Pentane n.a. n.a. n.a.
237 Propane 15 1
1051 Methane 1

Further Thermodynamic Properties (X)
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane n.a. n.a. 1 10 1
94 2-Methylbutane 1 5 3 n.a.
134 Pentane 4 1 6
237 Propane 77 5
1051 Methane 65

Total
DDB# Name 94 134 237 1051 1054 Ethane
41 n-Butane 6 30 316 424 116
94 2-Methylbutane 13 129 86 n.a.
134 Pentane 141 274 137
237 Propane 600 302
1051 Methane 505

Dortmund Data Bank Version: February 2024
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