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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
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
108	1-Methylnaphthalene	90-12-0	C₁₁H₁₀	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	91	108	542	Sulfolane
31	Benzene	107	n.a.	20
91	Heptane		n.a.	3
108	1-Methylnaphthalene			n.a.

**Heats of Mixing (HE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	32	1	9
91	Heptane		1	n.a.
108	1-Methylnaphthalene			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	n.a.	1	n.a.
91	Heptane		1	n.a.
108	1-Methylnaphthalene			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	27	5	65
91	Heptane		2	59
108	1-Methylnaphthalene			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	n.a.	n.a.	n.a.
91	Heptane		n.a.	16
108	1-Methylnaphthalene			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	5	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	80	n.a.	9
91	Heptane		n.a.	4
108	1-Methylnaphthalene			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	4	n.a.	4
91	Heptane		n.a.	1
108	1-Methylnaphthalene			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	45	1	18
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			2

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	2	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	52	n.a.	5
91	Heptane		21	n.a.
108	1-Methylnaphthalene			2

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	6	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	10	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	2	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	1	1	6
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	3	3	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	13	n.a.	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			2

**Further Thermodynamic Properties (X)**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	3	1	n.a.
91	Heptane		n.a.	n.a.
108	1-Methylnaphthalene			n.a.

**Total**
DDB#	Name	91	108	542	Sulfolane
31	Benzene	392	13	136
91	Heptane		25	83
108	1-Methylnaphthalene			6

Dortmund Data Bank Version: February 2024

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