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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
95 2-Propanol 67-63-0 C3H8O Overview Details
542 Sulfolane 126-33-0 C4H8O2S Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 95 542 Sulfolane
91 Heptane 22 3
95 2-Propanol 2

Heats of Mixing (HE)
DDB# Name 95 542 Sulfolane
91 Heptane 11 n.a.
95 2-Propanol n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 95 542 Sulfolane
91 Heptane 12 59
95 2-Propanol 5

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 95 542 Sulfolane
91 Heptane n.a. 16
95 2-Propanol n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 95 542 Sulfolane
91 Heptane 21 n.a.
95 2-Propanol n.a.

(A)zeotropic Data (AZD)
DDB# Name 95 542 Sulfolane
91 Heptane 23 4
95 2-Propanol 2

Solid-Liquid Equilibria (SLE)
DDB# Name 95 542 Sulfolane
91 Heptane n.a. 1
95 2-Propanol n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 95 542 Sulfolane
91 Heptane 12 n.a.
95 2-Propanol 3

Critical Data of Mixtures (CRI)
DDB# Name 95 542 Sulfolane
91 Heptane 2 n.a.
95 2-Propanol n.a.

Mixture Viscosities (VIS)
DDB# Name 95 542 Sulfolane
91 Heptane 11 n.a.
95 2-Propanol 8

Mixture Speeds of Sound (MSOS)
DDB# Name 95 542 Sulfolane
91 Heptane 4 n.a.
95 2-Propanol n.a.

Diffusion Coefficients (DIF)
DDB# Name 95 542 Sulfolane
91 Heptane 5 n.a.
95 2-Propanol n.a.

Total
DDB# Name 95 542 Sulfolane
91 Heptane 123 83
95 2-Propanol 20

Dortmund Data Bank Version: February 2024
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