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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
120 2-Methyl-1-propanol 78-83-1 C4H10O Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 60 18
91 Heptane 15

Heats of Mixing (HE)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 39 2
91 Heptane 7

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 72 4
91 Heptane 5

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 33 n.a.
91 Heptane n.a.

(A)zeotropic Data (AZD)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 79 14
91 Heptane 12

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 221 9
91 Heptane 28

Critical Data of Mixtures (CRI)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 5 n.a.
91 Heptane 1

Mixture Viscosities (VIS)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 63 1
91 Heptane 2

Mixture Surface Tensions (MSFT)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 2 n.a.
91 Heptane n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 34 16
91 Heptane 2

Mixture Thermal Conductivities (MTCN)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 3 n.a.
91 Heptane n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 19 5
91 Heptane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 36 n.a.
91 Heptane n.a.

Diffusion Coefficients (DIF)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 5 n.a.
91 Heptane 5

Further Thermodynamic Properties (X)
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 2 n.a.
91 Heptane n.a.

Total
DDB# Name 91 120 2-Methyl-1-propanol
11 Ethanol 673 69
91 Heptane 77

Dortmund Data Bank Version: February 2024
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