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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
23	2,3-Butanediol	513-85-9	C₄H₁₀O₂	Overview	Details
38	2-Butoxyethanol	111-76-2	C₆H₁₄O₂	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	38	174	Water
23	2,3-Butanediol	n.a.	23
38	2-Butoxyethanol		12

**Heats of Mixing (HE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	1
38	2-Butoxyethanol		20

**Gas Solubilities (GLE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		2

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	6
38	2-Butoxyethanol		n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		70

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		5

**(A)zeotropic Data (AZD)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	16
38	2-Butoxyethanol		15

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		2

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	20
38	2-Butoxyethanol		46

**Critical Data of Mixtures (CRI)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		2

**Mixture Viscosities (VIS)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	20
38	2-Butoxyethanol		20

**Mixture Surface Tensions (MSFT)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	1
38	2-Butoxyethanol		17

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	15
38	2-Butoxyethanol		31

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		13

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	5
38	2-Butoxyethanol		8

**Mixture P-v-T Data (MPVT)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		35

**Mixture Flash Points (MFLP)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		1

**Diffusion Coefficients (DIF)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	n.a.
38	2-Butoxyethanol		1

**Further Thermodynamic Properties (X)**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	2
38	2-Butoxyethanol		9

**Total**
DDB#	Name	38	174	Water
23	2,3-Butanediol	n.a.	109
38	2-Butoxyethanol		309

Dortmund Data Bank Version: February 2024

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