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 H2O 18.015 7732-18-5 Water
3 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] yaz,3 [mol/mol] Measurement Method Evaluation Source
homPmaxMisGap n.a. 101.300 n.a. n.a. n.a. Phase equilibrium Author 2
homPmaxMisGap 334.030 49.400 0.77700 0.16000 n.a. Phase equilibrium Author from VLE by regression 1
homPmaxMisGap 348.370 90.400 0.77200 0.17000 n.a. Phase equilibrium Author from VLE by regression 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmaxMisGap homogeneous pressure maximum miscibility gap

List of References

1 Fele L.; Stemberger N.Z.; Grilc V.: Separation of Water + Ethanol + (o-, m-, p-) Xylene Systems. J.Chem.Eng.Data 45 (2000) 784-791
2 Gomis V.; Pequenin A.; Asensi J.C.: Isobaric vapor-liquid-liquid equilibrium and vapor-liquid equilibrium for the system water-ethanol-1,4-dimethylbenzene at 101.3 kPa. Fluid Phase Equilib. 281 (2009) 1-4

Azeotropic Data Overview