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Dortmund Data Bank
Thermophysical Data for Process Design
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DDB#	Name	CAS-RN	Formula
97	2,2,4-Trimethylpentane	540-84-1	C₈H₁₈	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
1056	Nitrogen	7727-37-9	N₂	Overview	Details
16424	Sodium bis(2-ethylhexyl)sulfosuccinate	577-11-7	C₂₀H₃₇NaO₇S	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	16	n.a.
174	Water		122	n.a.
1056	Nitrogen			n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		128	n.a.
1056	Nitrogen			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	8	n.a.
174	Water		265	n.a.
1056	Nitrogen			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	21	n.a.	n.a.
174	Water		n.a.	n.a.
1056	Nitrogen			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	17	n.a.	n.a.
174	Water		n.a.	n.a.
1056	Nitrogen			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	5	3	n.a.
174	Water		2	n.a.
1056	Nitrogen			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		1	n.a.
1056	Nitrogen			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	5
174	Water		15	5
1056	Nitrogen			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	1	n.a.
174	Water		2	n.a.
1056	Nitrogen			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	5
174	Water		n.a.	n.a.
1056	Nitrogen			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	1	n.a.	n.a.
174	Water		28	4
1056	Nitrogen			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	5
174	Water		n.a.	n.a.
1056	Nitrogen			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		2	n.a.
1056	Nitrogen			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		12	n.a.
1056	Nitrogen			n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		30	n.a.
1056	Nitrogen			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		n.a.	8
1056	Nitrogen			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	n.a.	n.a.	n.a.
174	Water		6	n.a.
1056	Nitrogen			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	4	n.a.	1
174	Water		18	5
1056	Nitrogen			n.a.

**Total**
DDB#	Name	174	1056	16424	Sodium bis(2-ethylhexyl)sulfosuccinate
97	2,2,4-Trimethylpentane	48	28	16
174	Water		631	22
1056	Nitrogen			n.a.

Dortmund Data Bank Version: February 2024

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