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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
8 1,2-Ethanediol 107-21-1 C2H6O2 Overview Details
25 Ethylbenzene 100-41-4 C8H10 Overview Details
128 Octane 111-65-9 C8H18 Overview Details
144 Pyridine 110-86-1 C5H5N Overview Details
3264 Tetra-n-butylammonium bromide 1643-19-2 C16H36BrN Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene 7 1 n.a.
128 Octane 5 n.a.
144 Pyridine n.a.

Heats of Mixing (HE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. 1 n.a.
25 Ethylbenzene 2 4 n.a.
128 Octane 4 n.a.
144 Pyridine n.a.

Gas Solubilities (GLE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene n.a. n.a. n.a.
128 Octane 2 n.a.
144 Pyridine n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol 17 60 n.a. n.a.
25 Ethylbenzene n.a. 1 n.a.
128 Octane 4 n.a.
144 Pyridine 1

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol 5 2 n.a. n.a.
25 Ethylbenzene n.a. n.a. n.a.
128 Octane 1 n.a.
144 Pyridine n.a.

(A)zeotropic Data (AZD)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol 2 1 1 n.a.
25 Ethylbenzene 8 3 n.a.
128 Octane 5 n.a.
144 Pyridine n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene 1 n.a. n.a.
128 Octane 2 n.a.
144 Pyridine n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. 1
25 Ethylbenzene 11 n.a. n.a.
128 Octane 1 n.a.
144 Pyridine 11

Critical Data of Mixtures (CRI)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene 1 n.a. n.a.
128 Octane 3 n.a.
144 Pyridine n.a.

Mixture Viscosities (VIS)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. 3
25 Ethylbenzene 7 n.a. n.a.
128 Octane n.a. n.a.
144 Pyridine 13

Mixture Speeds of Sound (MSOS)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene 1 n.a. n.a.
128 Octane n.a. n.a.
144 Pyridine n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene 4 n.a. n.a.
128 Octane n.a. n.a.
144 Pyridine n.a.

Electrical Conductivities (ECND)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol n.a. n.a. n.a. n.a.
25 Ethylbenzene n.a. n.a. n.a.
128 Octane n.a. n.a.
144 Pyridine 14

Further Thermodynamic Properties (X)
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol 1 1 2 2
25 Ethylbenzene n.a. n.a. n.a.
128 Octane n.a. 1
144 Pyridine 1

Total
DDB# Name 25 128 144 3264 Tetra-n-butylammonium bromide
8 1,2-Ethanediol 25 64 4 6
25 Ethylbenzene 42 9 n.a.
128 Octane 27 1
144 Pyridine 40

Dortmund Data Bank Version: February 2024
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