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 C4H10O 74.123 71-36-3 1-Butanol
3 C6H12 84.161 110-82-7 Cyclohexane
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Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] yaz,3 [mol/mol] Measurement Method Evaluation Source
homPmax 350.050 100.513 0.47696 n.a. 0.48893 Distillation Author 1
homPmax 350.750 101.325 0.49000 n.a. 0.48000 n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax homogeneous pressure maximum

List of References

1 Gmehling J.; Bölts R.: Azeotropic Data for Binary and Ternary Systems at Moderate Pressures. J.Chem.Eng.Data 41 (1996) 202-209
2 Arce A.; Blanco A.; Correa A.; Tojo J.: Prediction and Experimental Determination of Vapour-Liquid Equilibria for Benzene + Cyclohexane + 1-Butanol Mixtures at 101.325 kPa. Can.J.Chem.Eng. 66 (1988) 452-457

Azeotropic Data Overview