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 Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
91 Heptane 142-82-5 C7H16 Overview Details
161 Toluene 108-88-3 C7H8 Overview Details
174 Water 7732-18-5 H2O Overview Details
542 Sulfolane 126-33-0 C4H8O2S Overview Details
2767 Dipropyl sulfone 598-03-8 C6H14O2S Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 52 2 3 n.a.
161 Toluene 8 22 n.a.
174 Water 17 n.a.
542 Sulfolane n.a.

Heats of Mixing (HE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 18 19 n.a. n.a.
161 Toluene n.a. 3 n.a.
174 Water 3 n.a.
542 Sulfolane n.a.

Gas Solubilities (GLE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane n.a. 5 n.a. n.a.
161 Toluene 49 1 n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 9 63 59 n.a.
161 Toluene 190 43 n.a.
174 Water 7 n.a.
542 Sulfolane n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane n.a. 46 16 n.a.
161 Toluene 136 n.a. n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 8 n.a. n.a. n.a.
161 Toluene n.a. n.a. n.a.
174 Water 30 n.a.
542 Sulfolane n.a.

(A)zeotropic Data (AZD)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 44 20 4 n.a.
161 Toluene 36 19 n.a.
174 Water 12 n.a.
542 Sulfolane n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 3 n.a. 1 n.a.
161 Toluene n.a. 1 n.a.
174 Water 5 n.a.
542 Sulfolane n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 49 42 n.a. n.a.
161 Toluene 2 10 n.a.
174 Water 39 n.a.
542 Sulfolane n.a.

Critical Data of Mixtures (CRI)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane n.a. 12 n.a. n.a.
161 Toluene 10 n.a. n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Mixture Viscosities (VIS)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 18 1 n.a. n.a.
161 Toluene 1 2 n.a.
174 Water 27 n.a.
542 Sulfolane n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 5 14 n.a. n.a.
161 Toluene 24 n.a. n.a.
174 Water 15 n.a.
542 Sulfolane n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 8 n.a. n.a. n.a.
161 Toluene n.a. n.a. n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 5 n.a. n.a. n.a.
161 Toluene n.a. n.a. n.a.
174 Water 6 n.a.
542 Sulfolane n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane n.a. n.a. n.a. n.a.
161 Toluene n.a. n.a. n.a.
174 Water 21 n.a.
542 Sulfolane n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 3 23 n.a. n.a.
161 Toluene 33 n.a. n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Diffusion Coefficients (DIF)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 6 n.a. n.a. n.a.
161 Toluene 1 n.a. n.a.
174 Water n.a. n.a.
542 Sulfolane n.a.

Further Thermodynamic Properties (X)
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 1 12 n.a. n.a.
161 Toluene 19 n.a. n.a.
174 Water 2 n.a.
542 Sulfolane n.a.

Total
DDB# Name 161 174 542 2767 Dipropyl sulfone
91 Heptane 229 259 83 n.a.
161 Toluene 509 101 n.a.
174 Water 184 n.a.
542 Sulfolane n.a.

Dortmund Data Bank Version: February 2024
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