Dortmund Data Bank

Azeotropic Data

The experimental data shown in these pages are freely available and have been published already in the DDB Explorer Edition. The data represent a small sub list of all available data in the Dortmund Data Bank. For more data or any further information please search the DDB or contact DDBST.

Components

No.	Formula	Molar Mass	CAS Registry Number	Name
1	C₆H₆	78.114	71-43-2	Benzene
2	C₆H₁₄	86.177	110-54-3	Hexane

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Data Table

Azeotropic Type	T [K]	P [kPa]	y_az,1 [mol/mol]	y_az,2 [mol/mol]	Measurement Method	Evaluation	Source
homPmax	298.150	n.a.	n.a.	n.a.	Phase equilibrium	DDBST	2
homPmax	298.150	20.216	n.a.	0.90882	n.a.	Author	3
homPmax	341.650	101.325	n.a.	0.94800	n.a.	Author	1

(y_az - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax	homogeneous pressure maximum

List of References

1	Marschner R.F.; Cropper W.P.: Hydrocarbon Azeotropes of Benzene. Ind.Eng.Chem. 38 (1946) 262-268
2	Smith V.C.; Robinson, Jr.R.L.: Vapor-Liquid Equilibria at 25°C in the Binary Mixtures Formed by Hexane, Benzene and Ethanol. J.Chem.Eng.Data 15 (1970) 391-395
3	Harris K.R.; Dunlop P.J.: Vapor Pressures and Excess Gibbs Energies of Mixtures of Benzene with Chlorobenzene, n-Hexane and n-Heptane at 25°C. J.Chem.Thermodyn. 2 (1970) 805-811

Diagrams

See larger image

Azeotropic Data Overview