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 C8H10 106.167 108-38-3 m-Xylene
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 n.a. 6.659 n.a. n.a. Phase equilibrium Author 3
none n.a. 101.325 n.a. n.a. Phase equilibrium DDBST 1
none n.a. 101.325 n.a. n.a. Phase equilibrium DDBST 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Zuiderweg F.J.: Recommended Test Mixtures for Distillation Columns. Recommended Test Mixtures for Distillation Columns (1969) 1-37
2 Kato M.; Sato T.; Hirata M.: Vapor-Liquid Equilibrium Relationship of Para-Xylene Meta-Xylene System at Atmospheric Pressure. J.Chem.Eng.Japan 4 (1971) 305-308
3 Llopis F.J.; Monton J.B.: Isobaric Vapor-Liquid Equilibria for Binary and Ternary Systems Composed of 1,4-Dimethylbenzene, 1,3-Dimethylbenzene, and 1,2-Dimethylbenzene at 6.66 and 26.66 kPa. J.Chem.Eng.Data 39 (1994) 643-646

Azeotropic Data Overview