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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
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
174	Water	7732-18-5	H₂O	Overview	Details
370	2,2-Dimethylbutane	75-83-2	C₆H₁₄	Overview	Details
822	Methyl tert-butyl ether (MTBE)	1634-04-4	C₅H₁₂O	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	19	8	n.a.	6
91	Heptane		2	n.a.	10
174	Water			n.a.	2
370	2,2-Dimethylbutane				n.a.

**Heats of Mixing (HE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	13	n.a.	n.a.	n.a.
91	Heptane		19	1	4
174	Water			n.a.	3
370	2,2-Dimethylbutane				n.a.

**Gas Solubilities (GLE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	4	n.a.	n.a.
91	Heptane		5	n.a.	n.a.
174	Water			n.a.	9
370	2,2-Dimethylbutane				n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	28	n.a.	4
91	Heptane		63	n.a.	8
174	Water			6	22
370	2,2-Dimethylbutane				n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	13	n.a.	n.a.
91	Heptane		46	n.a.	n.a.
174	Water			4	35
370	2,2-Dimethylbutane				n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	1	n.a.	n.a.	n.a.
91	Heptane		n.a.	1	n.a.
174	Water			n.a.	n.a.
370	2,2-Dimethylbutane				n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	22	10	n.a.	6
91	Heptane		20	n.a.	7
174	Water			1	7
370	2,2-Dimethylbutane				n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	2	n.a.	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			n.a.	n.a.
370	2,2-Dimethylbutane				n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	19	n.a.	n.a.	n.a.
91	Heptane		42	2	40
174	Water			n.a.	n.a.
370	2,2-Dimethylbutane				n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	1	n.a.	n.a.
91	Heptane		12	n.a.	1
174	Water			1	n.a.
370	2,2-Dimethylbutane				n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	29	n.a.	n.a.	n.a.
91	Heptane		1	n.a.	17
174	Water			n.a.	2
370	2,2-Dimethylbutane				n.a.

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	1	n.a.	n.a.
91	Heptane		14	n.a.	n.a.
174	Water			n.a.	1
370	2,2-Dimethylbutane				n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	1	n.a.	n.a.	n.a.
91	Heptane		n.a.	1	4
174	Water			n.a.	3
370	2,2-Dimethylbutane				n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	n.a.	n.a.	n.a.
91	Heptane		23	n.a.	3
174	Water			n.a.	n.a.
370	2,2-Dimethylbutane				n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	1	n.a.	n.a.	n.a.
91	Heptane		n.a.	n.a.	n.a.
174	Water			n.a.	n.a.
370	2,2-Dimethylbutane				n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	n.a.	2	n.a.	n.a.
91	Heptane		12	n.a.	n.a.
174	Water			n.a.	2
370	2,2-Dimethylbutane				n.a.

**Total**
DDB#	Name	91	174	370	822	Methyl tert-butyl ether (MTBE)
53	Methylcyclohexane	107	67	n.a.	16
91	Heptane		259	5	94
174	Water			12	86
370	2,2-Dimethylbutane				n.a.

Dortmund Data Bank Version: February 2024

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