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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
31	Benzene	71-43-2	C₆H₆	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
110	Methanol	67-56-1	CH₄O	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	91	110	128	Octane
31	Benzene	107	130	11
91	Heptane		30	15
110	Methanol			10

**Heats of Mixing (HE)**
DDB#	Name	91	110	128	Octane
31	Benzene	32	40	6
91	Heptane		17	3
110	Methanol			1

**Gas Solubilities (GLE)**
DDB#	Name	91	110	128	Octane
31	Benzene	n.a.	n.a.	2
91	Heptane		n.a.	n.a.
110	Methanol			1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	110	128	Octane
31	Benzene	27	14	7
91	Heptane		52	11
110	Methanol			21

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	110	128	Octane
31	Benzene	n.a.	n.a.	n.a.
91	Heptane		74	n.a.
110	Methanol			68

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	110	128	Octane
31	Benzene	5	3	1
91	Heptane		4	1
110	Methanol			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	110	128	Octane
31	Benzene	80	174	8
91	Heptane		30	15
110	Methanol			8

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	110	128	Octane
31	Benzene	4	7	4
91	Heptane		n.a.	2
110	Methanol			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	110	128	Octane
31	Benzene	45	96	117
91	Heptane		20	65
110	Methanol			13

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	110	128	Octane
31	Benzene	2	6	2
91	Heptane		3	2
110	Methanol			1

**Mixture Viscosities (VIS)**
DDB#	Name	91	110	128	Octane
31	Benzene	52	28	6
91	Heptane		6	58
110	Methanol			6

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	110	128	Octane
31	Benzene	6	4	n.a.
91	Heptane		n.a.	n.a.
110	Methanol			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	110	128	Octane
31	Benzene	10	10	15
91	Heptane		8	6
110	Methanol			7

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	110	128	Octane
31	Benzene	2	3	n.a.
91	Heptane		n.a.	1
110	Methanol			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	110	128	Octane
31	Benzene	1	24	n.a.
91	Heptane		2	n.a.
110	Methanol			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	110	128	Octane
31	Benzene	3	6	2
91	Heptane		4	8
110	Methanol			4

**Mixture Flash Points (MFLP)**
DDB#	Name	91	110	128	Octane
31	Benzene	n.a.	n.a.	n.a.
91	Heptane		3	3
110	Methanol			2

**Electrical Conductivities (ECND)**
DDB#	Name	91	110	128	Octane
31	Benzene	n.a.	1	n.a.
91	Heptane		n.a.	n.a.
110	Methanol			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	110	128	Octane
31	Benzene	13	13	n.a.
91	Heptane		n.a.	3
110	Methanol			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	110	128	Octane
31	Benzene	3	15	9
91	Heptane		3	2
110	Methanol			n.a.

**Total**
DDB#	Name	91	110	128	Octane
31	Benzene	392	574	190
91	Heptane		256	195
110	Methanol			142

Dortmund Data Bank Version: February 2024

What are "Sets" and "Points" in the Dortmund Data Bank?	© Dortmund Data Bank by DDBST GmbH
Online DDB search information page	Overall Statistics on Systems, Sets, and Points
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