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 1290
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| T [K] |
x1 [mol/mol] |
y1 [mol/mol] |
| 433.15 |
0.09400 |
0.73000 |
| 421.25 |
0.15300 |
0.82000 |
| 413.15 |
0.20600 |
0.87400 |
| 404.95 |
0.29100 |
0.91400 |
| 394.15 |
0.42500 |
0.95000 |
| 390.75 |
0.48000 |
0.95800 |
| 383.95 |
0.62900 |
0.97700 |
| 379.45 |
0.75300 |
0.98700 |
| 377.15 |
0.83500 |
0.99200 |
| 376.65 |
0.84400 |
0.99300 |
| 374.95 |
0.90900 |
0.99600 |
(T - temperature, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Golubkov Yu.V.; Repneva T.G.; Raginskaya L.M.: N-Methyl-2-Pyrrolidon - Wasser. Prom.Sint.Kaucuka (1975) 1-3 |
Vapor-Liquid Equilibrium Data Set 3300
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| x1 [mol/mol] |
y1 [mol/mol] |
| 0.01470 |
0.07150 |
| 0.02500 |
0.23600 |
| 0.04250 |
0.45300 |
| 0.05770 |
0.47700 |
| 0.11400 |
0.78800 |
| 0.12300 |
0.87000 |
| 0.16500 |
0.94500 |
| 0.44000 |
0.97800 |
| 0.65000 |
0.98000 |
| 0.79800 |
0.99000 |
| 0.90500 |
0.99000 |
| 0.93700 |
0.99200 |
| 0.97500 |
0.99500 |
(x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Bogoslovskii V.E.; Mikhalyuk G.I.; Shamolin A.I.: Vapor-Liquid Equilibrium in the Systems Water-Dimethylacetamide, Water-Dimethylformamide and Water-n-Methylpyridine. J.Appl.Chem.USSR 45 (1972) 1197-1199 |
Vapor-Liquid Equilibrium Data Set 4455
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| T [K] |
x1 [mol/mol] |
y1 [mol/mol] |
| 414.45 |
0.08100 |
0.72700 |
| 393.15 |
0.19200 |
0.87800 |
| 383.95 |
0.28400 |
0.92000 |
| 378.15 |
0.35700 |
0.94200 |
| 371.25 |
0.48200 |
0.96600 |
| 368.15 |
0.55300 |
0.97200 |
| 363.55 |
0.68000 |
0.98400 |
| 359.95 |
0.80800 |
0.99200 |
| 357.65 |
0.89700 |
0.99600 |
(T - temperature, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Golubkov Yu.V.; Repneva T.G.; Raginskaya L.M.: N-Methyl-2-Pyrrolidon - Wasser. Prom.Sint.Kaucuka (1975) 1-3 |
Diagrams
List of All References
| Source |
| Bogoslovskii V.E.; Mikhalyuk G.I.; Shamolin A.I.: Vapor-Liquid Equilibrium in the Systems Water-Dimethylacetamide, Water-Dimethylformamide and Water-n-Methylpyridine. J.Appl.Chem.USSR 45 (1972) 1197-1199 |
| Golubkov Yu.V.; Repneva T.G.; Raginskaya L.M.: N-Methyl-2-Pyrrolidon - Wasser. Prom.Sint.Kaucuka (1975) 1-3 |
Vapor-Liquid Equilibrium Data Overview
© DDBST GmbH
