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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
8	1,2-Ethanediol	107-21-1	C₂H₆O₂	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
251	ε-Caprolactam	105-60-2	C₆H₁₁NO	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	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	66	n.a.
91	Heptane		2	n.a.
174	Water			20

**Heats of Mixing (HE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	3	18	n.a.
91	Heptane		19	n.a.
174	Water			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	1	n.a.
91	Heptane		5	n.a.
174	Water			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	60	19	n.a.
91	Heptane		63	6
174	Water			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	14	n.a.	n.a.
91	Heptane		46	1
174	Water			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	47	n.a.
91	Heptane		n.a.	n.a.
174	Water			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	1	43	n.a.
91	Heptane		20	n.a.
174	Water			15

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	30	1
91	Heptane		n.a.	1
174	Water			9

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	243	n.a.
91	Heptane		42	n.a.
174	Water			7

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	1	n.a.	n.a.
91	Heptane		12	n.a.
174	Water			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	163	n.a.
91	Heptane		1	n.a.
174	Water			1

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	30	n.a.
91	Heptane		14	n.a.
174	Water			6

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	48	n.a.
91	Heptane		n.a.	n.a.
174	Water			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	80	n.a.
91	Heptane		n.a.	n.a.
174	Water			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	42	n.a.
91	Heptane		n.a.	n.a.
174	Water			1

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	25	n.a.
91	Heptane		23	n.a.
174	Water			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	9	n.a.
91	Heptane		n.a.	n.a.
174	Water			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	n.a.	3	n.a.
91	Heptane		n.a.	n.a.
174	Water			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	1	40	n.a.
91	Heptane		12	n.a.
174	Water			1

**Total**
DDB#	Name	91	174	251	ε-Caprolactam
8	1,2-Ethanediol	80	907	1
91	Heptane		259	8
174	Water			60

Dortmund Data Bank Version: February 2024

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