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 106.167 106-42-3 p-Xylene
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
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 373.150 n.a. n.a. n.a. n.a. Author from VLE 1
none 373.150 n.a. n.a. n.a. Phase equilibrium DDBST from VLE 2
none 473.150 n.a. n.a. n.a. n.a. Author from VLE 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Wilding W.V.; Wilson L.C.; Wilson G.M.: Vapor Liquid Equilibrium Measurements on Ten Binary Systems of Industrial Interest. AIChE Symp.Ser. 83 (1987) 49-69
2 Gupta S.K.: Isothermal Vapor-Liquid Equilibria of o-, m-m and p-Xylene with N-Methylpyrrolidone at 373.15 K and 393.15 K. J.Chem.Eng.Data 44 (1999) 23-25

Azeotropic Data Overview