Dortmund Data Bank

Solid-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.


Solid-Liquid Equilibrium Data Set 12919

Components

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
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Data Table

T [K] xL1 [mol/mol]
248.65 1.00000
237.95 0.84000
233.15 0.78000
232.65 0.74000
225.85 0.61000
230.45 0.50000
248.15 0.36000
249.15 0.33000
243.35 0.29000
229.65 0.25000
229.45 0.20000
236.65 0.18000
237.85 0.15000
241.65 0.14000
256.55 0.11000
273.15 0.00000

(P - pressure, T - temperature, xl - liquid mole fraction)

Reference

Source
Afanasenko L.D.; Yarym-Agaev N.L.; Tolmacheva G.B.; Lukash S.A.: Equilibria between Condensed Phases in the System Diethylene Glycol-n-Methylpyrrolidone-Water. Zh.Prikl.Khim. 54 (1981) 1492-1497

Solid-Liquid Equilibrium Data Set 12920

Components

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
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Data Table

T [K] xS1 [mol/mol]
225.25 0.84000
224.35 0.74000
224.75 0.50000
221.65 0.20000

(P - pressure, T - temperature, xs - solid mole fraction)

Reference

Source
Afanasenko L.D.; Yarym-Agaev N.L.; Tolmacheva G.B.; Lukash S.A.: Equilibria between Condensed Phases in the System Diethylene Glycol-n-Methylpyrrolidone-Water. Zh.Prikl.Khim. 54 (1981) 1492-1497


Solid-Liquid Equilibrium Data Set 19731

Components

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
Search the DDB for all data of this mixture

Data Table

T [K] xL1 [mol/mol]
273.15 0.00000
272.15 0.019792
271.15 0.04346
268.65 0.07226
263.15 0.10806
251.15 0.15378
237.15 0.21420
227.75 0.25233
224.35 0.29777
228.55 0.42093
235.95 0.62057
241.65 0.77542
248.95 1.00000

(P - pressure, T - temperature, xl - liquid mole fraction)

Reference

Source
Bakhtyukova G.N.; Demidova Y.A.; Kiryakov V.N.; Usyukin I.P.; Shleinikov V.M.: Freezing Points of Aqueous Acetone, Methyl Alcohol, and N-Methylpyrrolidone Solutions. J.Appl.Chem.USSR 40 (1967) 592-595

Diagrams

Solid-Liquid Equilibrium of Water+N-Methyl-2-pyrrolidone
See larger image

Solid-Liquid Equilibrium Data Overview


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