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 C6H12 84.161 592-41-6 1-Hexene
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
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Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] Measurement Method Evaluation Source
none n.a. 45.000 n.a. n.a. Phase equilibrium Author from VLE 2
none 363.610 n.a. n.a. n.a. Phase equilibrium Author 1
none 413.370 n.a. n.a. n.a. Phase equilibrium Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Fischer K.; Gmehling J.: Vapor-liquid equilibria, activity coefficients at infinite dilution and heats of mixing for mixtures of N-methyl pyrrolidone-2 with C5 or C6 hydrocarbons and for hydrocarbon mixtures. Fluid Phase Equilib. 119 (1996) 113-130
2 Moodley P.: Vapour-Liquid Equilibria Studies for Binary Systems Containing 1-Hexene and n-Hexane. Master's Thesis (2009)

Azeotropic Data Overview