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 C2H6O 46.069 64-17-5 Ethanol
2 C6H6 78.114 71-43-2 Benzene
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 338.000 101.325 0.22806 0.53871 n.a. n.a. Author 1
hetPmax 374.210 345.518 0.25792 0.46242 n.a. n.a. Author 1
hetPmax 395.230 621.122 0.27180 0.41006 n.a. n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Swietoslawski W.; Karpinski B.: Sur le deplacement du point azeotropique de l´azeotrope ternaire (C6H6, H2H5, OH, H2O) en fonction de la pression. C.R.Hebd.Seanc.Acad.Sci.Paris 198 (1934) 2166-2167

Azeotropic Data Overview