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 C3H8O 60.096 67-63-0 2-Propanol
3 H2O 18.015 7732-18-5 Water
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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
hetPmax 307.200 26.664 0.65600 0.15600 n.a. n.a. Author 3
hetPmax 338.850 n.a. 0.54019 0.19309 n.a. n.a. Author 1
hetPmax 339.650 101.325 0.56499 0.18609 n.a. Distillation Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Huml M.; Dufek L.; Svoboda K.: Drying of Isopropyl Alohol by Azeotropic Distillation under Plant Conditions. Chem.Prum. 27 (1977) 296-300
2 Durrans T.H.: A Treatise on Distillation. Perfum.Essent.Oil Rec. 11 (1920) 154-198
3 Morachevskii A.G.; Legochkina L.A.: Three-Phase Equilibria Liquid-Liquid-Vapor in the System Isopropanol-Benzene-Water. J.Appl.Chem.USSR 38 (1965) 1751-1754

Azeotropic Data Overview