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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
174	Water	7732-18-5	H₂O	Overview	Details
457	Isobutylene	115-11-7	C₄H₈	Overview	Details
542	Sulfolane	126-33-0	C₄H₈O₂S	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	17
457	Isobutylene		n.a.

**Heats of Mixing (HE)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	3
457	Isobutylene		n.a.

**Gas Solubilities (GLE)**
DDB#	Name	457	542	Sulfolane
174	Water	16	n.a.
457	Isobutylene		n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	457	542	Sulfolane
174	Water	2	7
457	Isobutylene		1

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	457	542	Sulfolane
174	Water	4	n.a.
457	Isobutylene		n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	30
457	Isobutylene		n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	12
457	Isobutylene		n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	5
457	Isobutylene		n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	39
457	Isobutylene		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	27
457	Isobutylene		n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	15
457	Isobutylene		n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	6
457	Isobutylene		n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	21
457	Isobutylene		n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	457	542	Sulfolane
174	Water	n.a.	2
457	Isobutylene		n.a.

**Total**
DDB#	Name	457	542	Sulfolane
174	Water	22	184
457	Isobutylene		1

Dortmund Data Bank Version: February 2024

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