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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
174 Water 7732-18-5 H2O Overview Details
250 Cyclohexanone 108-94-1 C6H10O 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 250 284 N-Methyl-2-pyrrolidone
174 Water 6 30
250 Cyclohexanone 1

Heats of Mixing (HE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 4 16
250 Cyclohexanone 3

Gas Solubilities (GLE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 1 1
250 Cyclohexanone n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 3 13
250 Cyclohexanone n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 26 n.a.
250 Cyclohexanone n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water n.a. 21
250 Cyclohexanone 4

(A)zeotropic Data (AZD)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 11 27
250 Cyclohexanone 1

Solid-Liquid Equilibria (SLE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water n.a. 5
250 Cyclohexanone n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 47 253
250 Cyclohexanone 1

Mixture Viscosities (VIS)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water n.a. 34
250 Cyclohexanone n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 2 5
250 Cyclohexanone n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 2 12
250 Cyclohexanone 5

Mixture Dielectric Constants (MDEC)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water n.a. 10
250 Cyclohexanone n.a.

Mixture Flash Points (MFLP)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 4 n.a.
250 Cyclohexanone n.a.

Diffusion Coefficients (DIF)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water n.a. 4
250 Cyclohexanone n.a.

Further Thermodynamic Properties (X)
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 2 3
250 Cyclohexanone n.a.

Total
DDB# Name 250 284 N-Methyl-2-pyrrolidone
174 Water 108 434
250 Cyclohexanone 15

Dortmund Data Bank Version: February 2024
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