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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
8	1,2-Ethanediol	107-21-1	C₂H₆O₂	Overview	Details
31	Benzene	71-43-2	C₆H₆	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	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	n.a.	7
31	Benzene		18

**Heats of Mixing (HE)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	6	1
31	Benzene		7

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	69	n.a.
31	Benzene		83

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	9	n.a.
31	Benzene		n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	n.a.	n.a.
31	Benzene		4

**(A)zeotropic Data (AZD)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	1	2
31	Benzene		14

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	n.a.	2
31	Benzene		6

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	2	n.a.
31	Benzene		15

**Critical Data of Mixtures (CRI)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	1	n.a.
31	Benzene		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	1	4
31	Benzene		5

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	1	n.a.
31	Benzene		2

**Further Thermodynamic Properties (X)**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	1	1
31	Benzene		1

**Total**
DDB#	Name	31	284	N-Methyl-2-pyrrolidone
8	1,2-Ethanediol	91	17
31	Benzene		155

Dortmund Data Bank Version: February 2024

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