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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
144	Pyridine	110-86-1	C₅H₅N	Overview	Details
282	1,2-Propanediol	57-55-6	C₃H₈O₂	Overview	Details
33231	Glycine βine	107-43-7	C₅H₁₁NO₂	Overview	Details

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Mixture Data

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**Vapor-Liquid Equilibria (VLE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	11	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Heats of Mixing (HE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	10	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Activity Coefficients at Infinite Dilution (Pure Solvents) (ACT)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	3	4	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Liquid-Liquid Equilibria (Miscibility Gaps) (LLE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	1	3	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Heat Capacities of Mixtures, Excess Heat Capacities (CPE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	1	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			2

**(A)zeotropic Data (AZD)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	13	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Solid-Liquid Equilibria (SLE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	2	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Densities and Volumes of Mixtures, Excess Volumes (VE)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	5	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			4

**Mixture Viscosities (VIS)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	n.a.	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			7

**Mixture Surface Tensions (MSFT)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	n.a.	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			4

**Mixture Thermal Conductivities (MTCN)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	n.a.	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			5

**Mixture Dielectric Constants (MDEC)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	1	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			n.a.

**Electrical Conductivities (ECND)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	n.a.	n.a.	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			2

**Further Thermodynamic Properties (X)**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	n.a.	1	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			1

**Total**
DDB#	Name	144	282	33231	Glycine βine
91	Heptane	47	8	n.a.
144	Pyridine		n.a.	n.a.
282	1,2-Propanediol			25

Dortmund Data Bank Version: February 2024

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