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 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 n.a. 101.325 n.a. n.a. n.a. Author from VLE 2
none 281.150 n.a. n.a. n.a. n.a. Author 1
none 287.150 n.a. n.a. n.a. n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Aim K.: Measurement of Vapor-Liquid Equilibrium in Systems with Components of Very Different Volatility by the Total Pressure Static Method. Fluid Phase Equilib. 2 (1978) 119-142
2 Gupta S.K.; Rawat B.S.; Goswami A.N.; Nanoti S.M.; Krishna R.: Isobaric Vapour-Liquid Equilibria of the Systems: Benzene-Triethylene Glycol, Toluene-Triethylene Glycol and Benzene-N-Methylpyrrolidone. Fluid Phase Equilib. 46 (1989) 95-102

Azeotropic Data Overview