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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
75	1,4-Dioxane	123-91-1	C₄H₈O₂	Overview	Details
151	Dimethyl sulfoxide	67-68-5	C₂H₆OS	Overview	Details
3264	Tetra-n-butylammonium bromide	1643-19-2	C₁₆H₃₆BrN	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	22	n.a.
151	Dimethyl sulfoxide		n.a.

**Heats of Mixing (HE)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	4	n.a.
151	Dimethyl sulfoxide		n.a.

**Gas Solubilities (GLE)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	1	n.a.
151	Dimethyl sulfoxide		n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	2	n.a.
151	Dimethyl sulfoxide		n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	2	n.a.
151	Dimethyl sulfoxide		n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	8	n.a.
151	Dimethyl sulfoxide		n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	27	n.a.
151	Dimethyl sulfoxide		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	12	n.a.
151	Dimethyl sulfoxide		11

**Mixture Surface Tensions (MSFT)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	6	n.a.
151	Dimethyl sulfoxide		n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	1	n.a.
151	Dimethyl sulfoxide		n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	10	n.a.
151	Dimethyl sulfoxide		n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	n.a.	n.a.
151	Dimethyl sulfoxide		13

**Further Thermodynamic Properties (X)**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	2	n.a.
151	Dimethyl sulfoxide		4

**Total**
DDB#	Name	151	3264	Tetra-n-butylammonium bromide
75	1,4-Dioxane	97	n.a.
151	Dimethyl sulfoxide		28

Dortmund Data Bank Version: February 2024

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