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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
151 Dimethyl sulfoxide 67-68-5 C2H6OS Overview Details
263 2-Methyl-2-butene 513-35-9 C5H10 Overview Details
284 N-Methyl-2-pyrrolidone 872-50-4 C5H9NO Overview Details
Search for mixtures containing this mixture as subsystem

Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide 3 n.a.
263 2-Methyl-2-butene 2

Heats of Mixing (HE)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide 1 1
263 2-Methyl-2-butene 1

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide 3 n.a.
263 2-Methyl-2-butene 9

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide 1 n.a.
263 2-Methyl-2-butene n.a.

(A)zeotropic Data (AZD)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide n.a. n.a.
263 2-Methyl-2-butene 2

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide n.a. 3
263 2-Methyl-2-butene n.a.

Mixture Viscosities (VIS)
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide n.a. 3
263 2-Methyl-2-butene n.a.

Total
DDB# Name 263 284 N-Methyl-2-pyrrolidone
151 Dimethyl sulfoxide 8 7
263 2-Methyl-2-butene 14

Dortmund Data Bank Version: February 2024
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