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 C8H10 106.167 106-42-3 p-Xylene
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] Measurement Method Evaluation Source
none 333.150 n.a. 0.51500 n.a. Phase equilibrium Author from diagram 3
homPmax 388.850 101.325 0.75271 n.a. Distillation Author 1
homPmax 389.150 101.325 0.76500 n.a. n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic
homPmax homogeneous pressure maximum

List of References

1 Lecat M.: Nouveaux azéotropes binaires. Onzième liste. Ann.Soc.Sci.Bruxelles/B 49 (1929) 54-62
2 Galska-Krajewska A.: Vpour-Liquid Equilibria in Binary Systems: p-Xylene-Aliphatic Alcohols at 760 mm Hg. Rocz.Chem. 41 (1967) 609-616
3 Park S.J.; Doh M.S.: Measurement of the Vapor-liquid Equilibria and the Excess Molar Volumes of Benzene, Toluene and p-Xylene Mixtures with Alcohols(C1-C4). Hwahak Konghak 35 (1997) 46-54


Azeotropic Data of 1-Butanol+p-Xylene
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Azeotropic Data of 1-Butanol+p-Xylene
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Azeotropic Data Overview