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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
53	Methylcyclohexane	108-87-2	C₇H₁₄	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
251	ε-Caprolactam	105-60-2	C₆H₁₁NO	Overview	Details
343	1-Heptanol	111-70-6	C₇H₁₆O	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	8	n.a.	n.a.
174	Water		20	n.a.
251	ε-Caprolactam			n.a.

**Heats of Mixing (HE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	1
174	Water		n.a.	2
251	ε-Caprolactam			n.a.

**Gas Solubilities (GLE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	4	n.a.	n.a.
174	Water		n.a.	3
251	ε-Caprolactam			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	28	2	1
174	Water		n.a.	74
251	ε-Caprolactam			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	13	n.a.	n.a.
174	Water		n.a.	37
251	ε-Caprolactam			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	10	n.a.	n.a.
174	Water		15	6
251	ε-Caprolactam			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	1
174	Water		9	n.a.
251	ε-Caprolactam			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	3
174	Water		7	6
251	ε-Caprolactam			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	1	n.a.	n.a.
174	Water		n.a.	n.a.
251	ε-Caprolactam			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	11
174	Water		1	n.a.
251	ε-Caprolactam			n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	1	n.a.	n.a.
174	Water		6	5
251	ε-Caprolactam			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	2
174	Water		n.a.	1
251	ε-Caprolactam			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	n.a.
174	Water		1	n.a.
251	ε-Caprolactam			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	n.a.	n.a.	n.a.
174	Water		n.a.	1
251	ε-Caprolactam			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	2	n.a.	n.a.
174	Water		1	4
251	ε-Caprolactam			n.a.

**Total**
DDB#	Name	174	251	343	1-Heptanol
53	Methylcyclohexane	67	2	19
174	Water		60	139
251	ε-Caprolactam			n.a.

Dortmund Data Bank Version: February 2024

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