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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
31 Benzene 71-43-2 C6H6 Overview Details
283 Thiophene 110-02-1 C4H4S Overview Details
284 N-Methyl-2-pyrrolidone 872-50-4 C5H9NO Overview Details
17144 1-Ethyl-3-methylimidazolium tetrafluoroborate 143314-16-3 C6H11BF4N2 Overview Details
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Mixture Data

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Vapor-Liquid Equilibria (VLE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 19 18 14
283 Thiophene 4 3
284 N-Methyl-2-pyrrolidone n.a.

Heats of Mixing (HE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 4 7 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone 1

Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene n.a. 83 10
283 Thiophene 9 n.a.
284 N-Methyl-2-pyrrolidone n.a.

Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene n.a. n.a. 1
283 Thiophene n.a. 2
284 N-Methyl-2-pyrrolidone n.a.

Heat Capacities of Mixtures, Excess Heat Capacities (CPE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 1 4 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone 4

(A)zeotropic Data (AZD)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 20 14 n.a.
283 Thiophene 4 n.a.
284 N-Methyl-2-pyrrolidone n.a.

Solid-Liquid Equilibria (SLE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 7 6 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone n.a.

Densities and Volumes of Mixtures, Excess Volumes (VE)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 3 15 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone n.a.

Mixture Viscosities (VIS)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene n.a. 5 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone 4

Mixture Speeds of Sound (MSOS)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene n.a. 2 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone 4

Mixture Dielectric Constants (MDEC)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 1 n.a. n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone n.a.

Further Thermodynamic Properties (X)
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 45 1 n.a.
283 Thiophene n.a. n.a.
284 N-Methyl-2-pyrrolidone n.a.

Total
DDB# Name 283 284 17144 1-Ethyl-3-methylimidazolium tetrafluoroborate
31 Benzene 100 155 25
283 Thiophene 17 5
284 N-Methyl-2-pyrrolidone 13

Dortmund Data Bank Version: February 2024
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