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 C4H10O 74.123 71-36-3 1-Butanol
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 342.100 101.325 0.67900 n.a. 0.30100 Distillation Author 1
hetPmax 342.150 101.325 0.66085 n.a. 0.32733 Distillation Author 2

(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 Shorr L.M.; Segall J.: The Use of Relative Volatilities in the Graphical Representation of Three Component Vapour-Liquid Equilibria. Examination of the System: n-Butanol, Benzene, Water. Israel J.Technol. 1 (1963) 1-4

Azeotropic Data Overview