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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
11 Ethanol 64-17-5 C2H6O Overview Details
91 Heptane 142-82-5 C7H16 Overview Details
128 Octane 111-65-9 C8H18 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 91 128 Octane
11 Ethanol 60 18
91 Heptane 15

Heats of Mixing (HE)
DDB# Name 91 128 Octane
11 Ethanol 39 8
91 Heptane 3

Gas Solubilities (GLE)
DDB# Name 91 128 Octane
11 Ethanol n.a. 2
91 Heptane n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 91 128 Octane
11 Ethanol 72 28
91 Heptane 11

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 91 128 Octane
11 Ethanol 33 2
91 Heptane 1

(A)zeotropic Data (AZD)
DDB# Name 91 128 Octane
11 Ethanol 79 27
91 Heptane 15

Solid-Liquid Equilibria (SLE)
DDB# Name 91 128 Octane
11 Ethanol n.a. n.a.
91 Heptane 2

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 91 128 Octane
11 Ethanol 221 55
91 Heptane 65

Critical Data of Mixtures (CRI)
DDB# Name 91 128 Octane
11 Ethanol 5 4
91 Heptane 2

Mixture Viscosities (VIS)
DDB# Name 91 128 Octane
11 Ethanol 63 36
91 Heptane 58

Mixture Surface Tensions (MSFT)
DDB# Name 91 128 Octane
11 Ethanol 2 4
91 Heptane n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 91 128 Octane
11 Ethanol 34 5
91 Heptane 6

Mixture Thermal Conductivities (MTCN)
DDB# Name 91 128 Octane
11 Ethanol 3 n.a.
91 Heptane 1

Mixture Dielectric Constants (MDEC)
DDB# Name 91 128 Octane
11 Ethanol 19 n.a.
91 Heptane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 91 128 Octane
11 Ethanol 36 4
91 Heptane 8

Mixture Flash Points (MFLP)
DDB# Name 91 128 Octane
11 Ethanol n.a. 5
91 Heptane 3

Diffusion Coefficients (DIF)
DDB# Name 91 128 Octane
11 Ethanol 5 4
91 Heptane 3

Further Thermodynamic Properties (X)
DDB# Name 91 128 Octane
11 Ethanol 2 1
91 Heptane 2

Total
DDB# Name 91 128 Octane
11 Ethanol 673 203
91 Heptane 195

Dortmund Data Bank Version: February 2024
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