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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB# Name CAS-RN Formula
89 Hexane 110-54-3 C6H14 Overview Details
161 Toluene 108-88-3 C7H8 Overview Details
230 Glycerol 56-81-5 C3H8O3 Overview Details
284 N-Methyl-2-pyrrolidone 872-50-4 C5H9NO Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 29 n.a. 10
161 Toluene n.a. 10
230 Glycerol n.a.

Heats of Mixing (HE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 21 n.a. 2
161 Toluene n.a. 11
230 Glycerol n.a.

Gas Solubilities (GLE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 1 n.a. n.a.
161 Toluene n.a. 1
230 Glycerol n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 14 5 104
161 Toluene 9 47
230 Glycerol n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane n.a. 3 12
161 Toluene 3 n.a.
230 Glycerol n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 3 n.a. n.a.
161 Toluene n.a. 4
230 Glycerol n.a.

(A)zeotropic Data (AZD)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 20 n.a. 6
161 Toluene 1 9
230 Glycerol n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane n.a. n.a. n.a.
161 Toluene n.a. 1
230 Glycerol n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 17 n.a. 2
161 Toluene n.a. 14
230 Glycerol n.a.

Critical Data of Mixtures (CRI)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 2 n.a. 1
161 Toluene n.a. n.a.
230 Glycerol n.a.

Mixture Viscosities (VIS)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 27 n.a. n.a.
161 Toluene n.a. 10
230 Glycerol 7

Mixture Surface Tensions (MSFT)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane n.a. n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol 7

Mixture Speeds of Sound (MSOS)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 8 n.a. n.a.
161 Toluene n.a. 1
230 Glycerol n.a.

Mixture Thermal Conductivities (MTCN)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 43 n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol n.a.

Mixture Dielectric Constants (MDEC)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 5 n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 11 n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol n.a.

Diffusion Coefficients (DIF)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 8 n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol 1

Further Thermodynamic Properties (X)
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 1 n.a. n.a.
161 Toluene n.a. n.a.
230 Glycerol n.a.

Total
DDB# Name 161 230 284 N-Methyl-2-pyrrolidone
89 Hexane 210 8 137
161 Toluene 13 108
230 Glycerol 15

Dortmund Data Bank Version: February 2024
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