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 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
2 CO2 44.010 124-38-9 Carbon dioxide
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 253.150 n.a. n.a. n.a. Phase equilibrium Author 2
none 273.090 n.a. n.a. n.a. Phase equilibrium Author 2
none 313.000 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 Lazzaroni M.J.; Bush D.; Brown J.S.; Eckert C.A.: High-Pressure Vapor-Liquid Equilbria of Some Carbon Dioxide + Organic Binary Systems. J.Chem.Eng.Data 50 (2005) 60-65
2 Schroedter F.: Experimentelle Untersuchung und Berechnung von Phasengleichgewichten für Gemische aus Kohlendioxid, Propan, Propen, Methanol, 1-Methyl-2-Pyrrolidon und Wasser. Thesis (1991)

Azeotropic Data Overview