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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
141 Propionic acid 79-09-4 C3H6O2 Overview Details
144 Pyridine 110-86-1 C5H5N Overview Details
724 n-Undecane 1120-21-4 C11H24 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 144 724 n-Undecane
141 Propionic acid 2 n.a.
144 Pyridine n.a.

Heats of Mixing (HE)
DDB# Name 144 724 n-Undecane
141 Propionic acid 2 n.a.
144 Pyridine 1

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 144 724 n-Undecane
141 Propionic acid n.a. n.a.
144 Pyridine 1

(A)zeotropic Data (AZD)
DDB# Name 144 724 n-Undecane
141 Propionic acid 9 2
144 Pyridine n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 144 724 n-Undecane
141 Propionic acid 3 n.a.
144 Pyridine n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 144 724 n-Undecane
141 Propionic acid 1 n.a.
144 Pyridine n.a.

Total
DDB# Name 144 724 n-Undecane
141 Propionic acid 17 2
144 Pyridine 2

Dortmund Data Bank Version: February 2024
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