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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
136	1-Pentanol	71-41-0	C₅H₁₂O	Overview	Details
343	1-Heptanol	111-70-6	C₇H₁₆O	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	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	7	n.a.
91	Heptane		19	n.a.
136	1-Pentanol			n.a.

**Heats of Mixing (HE)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	3	n.a.	n.a.
91	Heptane		7	3
136	1-Pentanol			1

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	60	6	n.a.
91	Heptane		9	1
136	1-Pentanol			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	14	n.a.	n.a.
91	Heptane		n.a.	n.a.
136	1-Pentanol			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		2	n.a.
136	1-Pentanol			n.a.

**(A)zeotropic Data (AZD)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	1	7	1
91	Heptane		25	n.a.
136	1-Pentanol			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	1	n.a.
91	Heptane		13	18
136	1-Pentanol			n.a.

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	1	n.a.	n.a.
91	Heptane		1	n.a.
136	1-Pentanol			n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	1	n.a.
91	Heptane		9	5
136	1-Pentanol			2

**Mixture Surface Tensions (MSFT)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	5	5
91	Heptane		n.a.	n.a.
136	1-Pentanol			n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	1
91	Heptane		2	4
136	1-Pentanol			n.a.

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		n.a.	2
136	1-Pentanol			n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		5	9
136	1-Pentanol			n.a.

**Mixture P-v-T Data (MPVT)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		5	24
136	1-Pentanol			n.a.

**Mixture Flash Points (MFLP)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		1	n.a.
136	1-Pentanol			n.a.

**Diffusion Coefficients (DIF)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	n.a.	n.a.	n.a.
91	Heptane		4	n.a.
136	1-Pentanol			n.a.

**Further Thermodynamic Properties (X)**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	1	1	1
91	Heptane		4	n.a.
136	1-Pentanol			n.a.

**Total**
DDB#	Name	91	136	343	1-Heptanol
8	1,2-Ethanediol	80	28	8
91	Heptane		106	66
136	1-Pentanol			3

Dortmund Data Bank Version: February 2024

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