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.


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] yaz,1 [mol/mol] yaz,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

(yaz - 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


Azeotropic Data of Benzene+Hexane
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Azeotropic Data of Benzene+Hexane
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Azeotropic Data Overview