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 C4H10O 74.123 71-36-3 1-Butanol
2 C6H12 84.161 110-82-7 Cyclohexane
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 341.830 101.300 0.44000 n.a. 0.29400 Phase equilibrium Author 2
hetPmax 341.830 101.325 n.a. 0.66200 0.29400 Distillation Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Kudryavtseva L.S.; Toome M.Yu.; Susarev M.P.: XI. Calculation of the Compositions of Ternary Hydrocarbon (Halogenohydrocarbon) - Water - Ethyl (Butyl) Alcohol Ternary Azeotropes. Viniti (1973) 1-7
2 Gomis V.; Font A.; Saquete M.D.; Garcia-Cano J.: Experimental Determination and Correlation. J.Chem.Eng.Data 58 (2013) 3320-3326

Azeotropic Data Overview