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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
11	Ethanol	64-17-5	C₂H₆O	Overview	Details
57	Dibutyl ether	142-96-1	C₈H₁₈O	Overview	Details
97	2,2,4-Trimethylpentane	540-84-1	C₈H₁₈	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	57	97	174	Water
11	Ethanol	10	27	372
57	Dibutyl ether		2	1
97	2,2,4-Trimethylpentane			n.a.

**Heats of Mixing (HE)**
DDB#	Name	57	97	174	Water
11	Ethanol	3	7	141
57	Dibutyl ether		4	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	57	97	174	Water
11	Ethanol	1	1	10
57	Dibutyl ether		n.a.	1
97	2,2,4-Trimethylpentane			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	57	97	174	Water
11	Ethanol	2	14	77
57	Dibutyl ether		n.a.	19
97	2,2,4-Trimethylpentane			21

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	n.a.
57	Dibutyl ether		n.a.	15
97	2,2,4-Trimethylpentane			17

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	57	97	174	Water
11	Ethanol	1	1	65
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	57	97	174	Water
11	Ethanol	5	21	288
57	Dibutyl ether		2	7
97	2,2,4-Trimethylpentane			5

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	35
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	57	97	174	Water
11	Ethanol	4	19	589
57	Dibutyl ether		3	1
97	2,2,4-Trimethylpentane			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	1	9
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	9	373
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	1	50
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			1

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	57	97	174	Water
11	Ethanol	2	24	45
57	Dibutyl ether		2	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	61
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	35
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	33	134
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	1	14
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Gas Hydrate Data (GHD)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	1
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	9
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	4	48
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	57	97	174	Water
11	Ethanol	n.a.	n.a.	122
57	Dibutyl ether		n.a.	n.a.
97	2,2,4-Trimethylpentane			4

**Total**
DDB#	Name	57	97	174	Water
11	Ethanol	28	163	2478
57	Dibutyl ether		13	44
97	2,2,4-Trimethylpentane			48

Dortmund Data Bank Version: February 2024

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