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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
89	Hexane	110-54-3	C₆H₁₄	Overview	Details
128	Octane	111-65-9	C₈H₁₈	Overview	Details
542	Sulfolane	126-33-0	C₄H₈O₂S	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	80	11	20
89	Hexane		15	3
128	Octane			2

**Heats of Mixing (HE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	22	6	9
89	Hexane		8	1
128	Octane			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	n.a.	2	n.a.
89	Hexane		1	n.a.
128	Octane			1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	15	7	65
89	Hexane		11	71
128	Octane			27

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	n.a.	n.a.	n.a.
89	Hexane		n.a.	6
128	Octane			2

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	1	1	n.a.
89	Hexane		1	n.a.
128	Octane			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	62	8	9
89	Hexane		16	3
128	Octane			2

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	7	4	4
89	Hexane		1	n.a.
128	Octane			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	66	117	18
89	Hexane		29	n.a.
128	Octane			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	3	2	n.a.
89	Hexane		3	n.a.
128	Octane			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	34	6	5
89	Hexane		17	n.a.
128	Octane			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	8	n.a.	n.a.
89	Hexane		7	n.a.
128	Octane			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	17	15	n.a.
89	Hexane		4	n.a.
128	Octane			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	32	n.a.	n.a.
89	Hexane		4	n.a.
128	Octane			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	2	n.a.	6
89	Hexane		n.a.	n.a.
128	Octane			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	3	2	n.a.
89	Hexane		33	n.a.
128	Octane			n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	n.a.	n.a.	n.a.
89	Hexane		2	n.a.
128	Octane			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	8	n.a.	n.a.
89	Hexane		n.a.	n.a.
128	Octane			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	2	9	n.a.
89	Hexane		2	n.a.
128	Octane			n.a.

**Total**
DDB#	Name	89	128	542	Sulfolane
31	Benzene	362	190	136
89	Hexane		154	84
128	Octane			34

Dortmund Data Bank Version: February 2024

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