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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
50 Cyclohexane 110-82-7 C6H12 Overview Details
91 Heptane 142-82-5 C7H16 Overview Details
128 Octane 111-65-9 C8H18 Overview Details
161 Toluene 108-88-3 C7H8 Overview Details
Search for mixtures containing this mixture as subsystem

Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 36 11 51
91 Heptane 15 52
128 Octane 26

Heats of Mixing (HE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 18 13 18
91 Heptane 3 18
128 Octane 1

Gas Solubilities (GLE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. 1 1
91 Heptane n.a. n.a.
128 Octane 1

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 9 4 5
91 Heptane 11 9
128 Octane 3

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 12 3 1
91 Heptane 1 8
128 Octane 1

(A)zeotropic Data (AZD)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 30 11 41
91 Heptane 15 44
128 Octane 21

Solid-Liquid Equilibria (SLE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. 6 3
91 Heptane 2 3
128 Octane n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 71 25 34
91 Heptane 65 49
128 Octane 23

Critical Data of Mixtures (CRI)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 3 1 2
91 Heptane 2 n.a.
128 Octane n.a.

Mixture Viscosities (VIS)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 13 19 32
91 Heptane 58 18
128 Octane 14

Mixture Surface Tensions (MSFT)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 5 n.a. 5
91 Heptane n.a. 5
128 Octane 2

Mixture Speeds of Sound (MSOS)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 3 n.a. 18
91 Heptane 6 8
128 Octane 7

Mixture Thermal Conductivities (MTCN)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. n.a. 4
91 Heptane 1 5
128 Octane n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. n.a. 1
91 Heptane n.a. n.a.
128 Octane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 13 19 1
91 Heptane 8 3
128 Octane 2

Mixture Flash Points (MFLP)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. n.a. n.a.
91 Heptane 3 n.a.
128 Octane n.a.

Diffusion Coefficients (DIF)
DDB# Name 91 128 161 Toluene
50 Cyclohexane 4 3 11
91 Heptane 3 6
128 Octane n.a.

Further Thermodynamic Properties (X)
DDB# Name 91 128 161 Toluene
50 Cyclohexane n.a. 3 2
91 Heptane 2 1
128 Octane 1

Total
DDB# Name 91 128 161 Toluene
50 Cyclohexane 217 119 230
91 Heptane 195 229
128 Octane 102

Dortmund Data Bank Version: February 2024
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