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 C6H12 84.161 592-41-6 1-Hexene
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 296.150 26.664 0.13100 0.77600 n.a. n.a. Author 1
hetPmax 311.050 53.329 0.15000 0.75000 n.a. n.a. Author 1
hetPmax 321.050 79.993 0.17300 0.72400 n.a. n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Toome M.; Kudryavtseva L.S.; Eizen O.: XV. The Temperature-Induced Shifts in the Compositions of Ternary Heteroazeotropes of the Type Alk-1-ene-Water-Alcohol. Russ.J.Phys.Chem. 50 (1976) 515-517

Azeotropic Data Overview