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 14866
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| P [kPa] |
x1 [mol/mol] |
| 0.4706 |
0.00000 |
| 2.6904 |
0.05000 |
| 4.710 |
0.10200 |
| 5.030 |
0.11200 |
| 6.679 |
0.14800 |
| 9.401 |
0.19900 |
| 12.370 |
0.24500 |
| 12.690 |
0.25100 |
| 16.560 |
0.30700 |
| 22.270 |
0.38600 |
| 30.270 |
0.47900 |
| 34.360 |
0.52300 |
| 42.950 |
0.60800 |
| 46.900 |
0.64300 |
| 51.090 |
0.67900 |
| 58.710 |
0.75100 |
| 62.530 |
0.78100 |
| 69.500 |
0.84600 |
| 72.590 |
0.87700 |
| 75.250 |
0.90200 |
| 77.720 |
0.92300 |
| 82.931 |
0.98000 |
| 84.590 |
1.00000 |
(P - pressure, x - liquid mole fraction)
Reference
| Source |
| Bittrich H.-J.; Eckert R.: Das Dampf/Flüssigkeits-Phasengleichgewicht binärer Mischungen mit Methanol oder Ethanol als einer Komponente. Z.Phys.Chem.(München) 175 (1992) 217-234 |
Vapor-Liquid Equilibrium Data Set 24869
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| P [kPa] |
x1 [mol/mol] |
y1 [mol/mol] |
| 1.455 |
0.08000 |
0.91380 |
| 3.266 |
0.17270 |
0.96520 |
| 4.563 |
0.22930 |
0.97710 |
| 6.603 |
0.30760 |
0.98630 |
| 8.002 |
0.35470 |
0.98970 |
| 9.744 |
0.40780 |
0.99260 |
| 11.902 |
0.46710 |
0.99480 |
| 13.432 |
0.50640 |
0.99590 |
| 16.381 |
0.57610 |
0.99730 |
| 18.035 |
0.61350 |
0.99790 |
| 18.791 |
0.63020 |
0.99810 |
| 20.493 |
0.66730 |
0.99850 |
| 22.690 |
0.71310 |
0.99890 |
| 23.606 |
0.73260 |
0.99910 |
| 26.613 |
0.79510 |
0.99940 |
| 28.736 |
0.84060 |
0.99960 |
| 30.083 |
0.87080 |
0.99970 |
| 31.755 |
0.90840 |
0.99980 |
| 32.831 |
0.93410 |
0.99990 |
| 32.951 |
0.93710 |
0.99990 |
| 34.377 |
0.97220 |
1.00000 |
(P - pressure, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Zielkiewicz J.: Part 2. The N-methylpyrrolidinone + methanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 3193-3201 |
Vapor-Liquid Equilibrium Data Set 25424
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Constant Value
Data Table
| P [kPa] |
x1 [mol/mol] |
| 7.719 |
0.00000 |
| 21.620 |
0.04404 |
| 42.141 |
0.10590 |
| 72.841 |
0.18745 |
| 114.520 |
0.27877 |
| 169.490 |
0.38069 |
| 237.430 |
0.48783 |
| 303.580 |
0.58874 |
| 330.419 |
0.62144 |
| 361.120 |
0.66244 |
| 421.520 |
0.73531 |
| 480.840 |
0.80457 |
| 531.060 |
0.86303 |
| 569.980 |
0.90964 |
| 597.620 |
0.94340 |
| 616.260 |
0.96702 |
| 629.090 |
0.98359 |
| 636.020 |
0.99276 |
| 638.470 |
0.99614 |
| 640.521 |
0.99870 |
| 641.421 |
1.00000 |
(P - pressure, x - liquid mole fraction)
Reference
| Source |
| Horstmann S.; Fischer K.; Gmehling J.: Isothermal Vapor-Liquid Equilibrium and Excess Enthalpy Data for the Binary Systems Water + Sulfolane and Methanol + N-Methyl-2-pyrrolidone. J.Chem.Eng.Data 49 (2004) 1499-1503 |
Diagrams
List of All References
| Source |
| Bittrich H.-J.; Eckert R.: Das Dampf/Flüssigkeits-Phasengleichgewicht binärer Mischungen mit Methanol oder Ethanol als einer Komponente. Z.Phys.Chem.(München) 175 (1992) 217-234 |
| Zielkiewicz J.: Part 2. The N-methylpyrrolidinone + methanol mixture at T = 313.15 K: thermodynamic results and molecular dynamics caclulation. Phys.Chem.Chem.Phys. (PCCP) 5 (2003) 3193-3201 |
| Horstmann S.; Fischer K.; Gmehling J.: Isothermal Vapor-Liquid Equilibrium and Excess Enthalpy Data for the Binary Systems Water + Sulfolane and Methanol + N-Methyl-2-pyrrolidone. J.Chem.Eng.Data 49 (2004) 1499-1503 |
Vapor-Liquid Equilibrium Data Overview
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