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 84.161 110-82-7 Cyclohexane
3 H2O 18.015 7732-18-5 Water
Search the DDB for all data of this mixture

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 303.000 25.620 0.25800 0.61300 n.a. n.a. Author 1
hetPmax 310.500 41.260 0.27600 0.58400 n.a. n.a. Author 1
hetPmax 320.300 62.570 0.28800 0.55700 n.a. n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Connemann M.; Gaube J.; Karrer L.; Pfennig A.; Reuter U.: Measurement and Representation of Ternary Vapour-Liquid-Liquid Equilibria. Fluid Phase Equilib. 60 (1990) 99-118

Azeotropic Data Overview