Dortmund Data Bank

Vapor-Liquid Equilibrium 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.

Vapor-Liquid Equilibrium Data Set 18392


No. Formula Molar Mass CAS Registry Number Name
1 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
2 H2O 18.015 7732-18-5 Water
3 C6H6 78.114 71-43-2 Benzene
Search the DDB for all data of this mixture

Constant Value

Pressure 101.33 kPa

Data Table

T [K] x1 [mol/mol] x2 [mol/mol] y1 [mol/mol] y2 [mol/mol]
360.35 0.42000 0.28000 0.00070 0.40510
347.05 0.21000 0.14000 0.00040 0.34280

(T - temperature, x - liquid mole fraction, y - vapor mole fraction)


Miroshnichenko A.A.; Belikova L.D.; Kolesnikova L.A.: Study of Liquid-Vapor Equilibrium in Systems including Benzene,Thiophene,Polar Organic Solvents and Water. Koks Khim. (1978) 35-37

List of All References


Vapor-Liquid Equilibrium Data Overview