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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
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
97	2,2,4-Trimethylpentane	540-84-1	C₈H₁₈	Overview	Details
128	Octane	111-65-9	C₈H₁₈	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

Number of available sets is shown

**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	97	128	Octane
91	Heptane	6	15
97	2,2,4-Trimethylpentane		5

**Heats of Mixing (HE)**
DDB#	Name	97	128	Octane
91	Heptane	5	3
97	2,2,4-Trimethylpentane		4

**Gas Solubilities (GLE)**
DDB#	Name	97	128	Octane
91	Heptane	n.a.	n.a.
97	2,2,4-Trimethylpentane		1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	97	128	Octane
91	Heptane	2	11
97	2,2,4-Trimethylpentane		7

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	97	128	Octane
91	Heptane	2	1
97	2,2,4-Trimethylpentane		n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	97	128	Octane
91	Heptane	5	15
97	2,2,4-Trimethylpentane		5

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	97	128	Octane
91	Heptane	2	2
97	2,2,4-Trimethylpentane		1

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	97	128	Octane
91	Heptane	26	65
97	2,2,4-Trimethylpentane		4

**Critical Data of Mixtures (CRI)**
DDB#	Name	97	128	Octane
91	Heptane	n.a.	2
97	2,2,4-Trimethylpentane		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	97	128	Octane
91	Heptane	13	58
97	2,2,4-Trimethylpentane		7

**Mixture Surface Tensions (MSFT)**
DDB#	Name	97	128	Octane
91	Heptane	6	n.a.
97	2,2,4-Trimethylpentane		5

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	97	128	Octane
91	Heptane	12	6
97	2,2,4-Trimethylpentane		n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	97	128	Octane
91	Heptane	41	1
97	2,2,4-Trimethylpentane		2

**Mixture P-v-T Data (MPVT)**
DDB#	Name	97	128	Octane
91	Heptane	n.a.	8
97	2,2,4-Trimethylpentane		4

**Mixture Flash Points (MFLP)**
DDB#	Name	97	128	Octane
91	Heptane	n.a.	3
97	2,2,4-Trimethylpentane		n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	97	128	Octane
91	Heptane	4	3
97	2,2,4-Trimethylpentane		n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	97	128	Octane
91	Heptane	2	2
97	2,2,4-Trimethylpentane		2

**Total**
DDB#	Name	97	128	Octane
91	Heptane	126	195
97	2,2,4-Trimethylpentane		47

Dortmund Data Bank Version: February 2024

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