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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
91 Heptane 142-82-5 C7H16 Overview Details
128 Octane 111-65-9 C8H18 Overview Details
1056 Nitrogen 7727-37-9 N2 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 128 1056 Nitrogen
91 Heptane 15 43
128 Octane 21

Heats of Mixing (HE)
DDB# Name 128 1056 Nitrogen
91 Heptane 3 n.a.
128 Octane n.a.

Gas Solubilities (GLE)
DDB# Name 128 1056 Nitrogen
91 Heptane n.a. 7
128 Octane 13

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 128 1056 Nitrogen
91 Heptane 11 n.a.
128 Octane n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 128 1056 Nitrogen
91 Heptane 1 n.a.
128 Octane n.a.

(A)zeotropic Data (AZD)
DDB# Name 128 1056 Nitrogen
91 Heptane 15 10
128 Octane n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 128 1056 Nitrogen
91 Heptane 2 n.a.
128 Octane n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 128 1056 Nitrogen
91 Heptane 65 n.a.
128 Octane n.a.

Critical Data of Mixtures (CRI)
DDB# Name 128 1056 Nitrogen
91 Heptane 2 3
128 Octane n.a.

Mixture Viscosities (VIS)
DDB# Name 128 1056 Nitrogen
91 Heptane 58 1
128 Octane n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 128 1056 Nitrogen
91 Heptane n.a. 9
128 Octane n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 128 1056 Nitrogen
91 Heptane 6 n.a.
128 Octane 9

Mixture Thermal Conductivities (MTCN)
DDB# Name 128 1056 Nitrogen
91 Heptane 1 1
128 Octane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 128 1056 Nitrogen
91 Heptane 8 n.a.
128 Octane 9

Mixture Flash Points (MFLP)
DDB# Name 128 1056 Nitrogen
91 Heptane 3 n.a.
128 Octane n.a.

Diffusion Coefficients (DIF)
DDB# Name 128 1056 Nitrogen
91 Heptane 3 n.a.
128 Octane n.a.

Further Thermodynamic Properties (X)
DDB# Name 128 1056 Nitrogen
91 Heptane 2 3
128 Octane n.a.

Total
DDB# Name 128 1056 Nitrogen
91 Heptane 195 77
128 Octane 52

Dortmund Data Bank Version: February 2024
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