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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
284 N-Methyl-2-pyrrolidone 872-50-4 C5H9NO Overview Details
322 o-Xylene 95-47-6 C8H10 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 284 322 o-Xylene
174 Water 30 6
284 N-Methyl-2-pyrrolidone 2

Heats of Mixing (HE)
DDB# Name 284 322 o-Xylene
174 Water 16 n.a.
284 N-Methyl-2-pyrrolidone 10

Gas Solubilities (GLE)
DDB# Name 284 322 o-Xylene
174 Water 1 16
284 N-Methyl-2-pyrrolidone n.a.

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 284 322 o-Xylene
174 Water 13 25
284 N-Methyl-2-pyrrolidone 9

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 284 322 o-Xylene
174 Water n.a. 28
284 N-Methyl-2-pyrrolidone n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 284 322 o-Xylene
174 Water 21 n.a.
284 N-Methyl-2-pyrrolidone n.a.

(A)zeotropic Data (AZD)
DDB# Name 284 322 o-Xylene
174 Water 27 3
284 N-Methyl-2-pyrrolidone 2

Solid-Liquid Equilibria (SLE)
DDB# Name 284 322 o-Xylene
174 Water 5 n.a.
284 N-Methyl-2-pyrrolidone 2

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 284 322 o-Xylene
174 Water 253 n.a.
284 N-Methyl-2-pyrrolidone 12

Critical Data of Mixtures (CRI)
DDB# Name 284 322 o-Xylene
174 Water n.a. 6
284 N-Methyl-2-pyrrolidone n.a.

Mixture Viscosities (VIS)
DDB# Name 284 322 o-Xylene
174 Water 34 n.a.
284 N-Methyl-2-pyrrolidone n.a.

Mixture Surface Tensions (MSFT)
DDB# Name 284 322 o-Xylene
174 Water 5 1
284 N-Methyl-2-pyrrolidone n.a.

Mixture Speeds of Sound (MSOS)
DDB# Name 284 322 o-Xylene
174 Water 12 n.a.
284 N-Methyl-2-pyrrolidone 1

Mixture Dielectric Constants (MDEC)
DDB# Name 284 322 o-Xylene
174 Water 10 n.a.
284 N-Methyl-2-pyrrolidone n.a.

Mixture P-v-T Data (MPVT)
DDB# Name 284 322 o-Xylene
174 Water n.a. 1
284 N-Methyl-2-pyrrolidone n.a.

Diffusion Coefficients (DIF)
DDB# Name 284 322 o-Xylene
174 Water 4 n.a.
284 N-Methyl-2-pyrrolidone n.a.

Further Thermodynamic Properties (X)
DDB# Name 284 322 o-Xylene
174 Water 3 1
284 N-Methyl-2-pyrrolidone n.a.

Total
DDB# Name 284 322 o-Xylene
174 Water 434 87
284 N-Methyl-2-pyrrolidone 38

Dortmund Data Bank Version: February 2024
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