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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
68	1,2-Dichloroethane	107-06-2	C₂H₄Cl₂	Overview	Details
91	Heptane	142-82-5	C₇H₁₆	Overview	Details
144	Pyridine	110-86-1	C₅H₅N	Overview	Details

Search for mixtures containing this mixture as subsystem

Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	10	1
91	Heptane		11

**Heats of Mixing (HE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	9	3
91	Heptane		10

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	7	2
91	Heptane		3

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	n.a.	n.a.
91	Heptane		1

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	1	n.a.
91	Heptane		1

**(A)zeotropic Data (AZD)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	11	1
91	Heptane		13

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	n.a.	n.a.
91	Heptane		2

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	21	5
91	Heptane		5

**Critical Data of Mixtures (CRI)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	2	n.a.
91	Heptane		n.a.

**Mixture Viscosities (VIS)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	n.a.	1
91	Heptane		n.a.

**Mixture Speeds of Sound (MSOS)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	1	n.a.
91	Heptane		n.a.

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	5	n.a.
91	Heptane		1

**Further Thermodynamic Properties (X)**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	1	n.a.
91	Heptane		n.a.

**Total**
DDB#	Name	91	144	Pyridine
68	1,2-Dichloroethane	68	13
91	Heptane		47

Dortmund Data Bank Version: February 2024

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