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 26032
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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Constant Value
Data Table
| P [kPa] |
x1 [mol/mol] |
| 1.300 |
0.00000 |
| 16.500 |
0.23530 |
| 19.000 |
0.27960 |
| 21.700 |
0.32390 |
| 24.401 |
0.34990 |
| 26.600 |
0.38110 |
| 29.400 |
0.42050 |
| 31.400 |
0.44060 |
| 34.000 |
0.45950 |
| 40.501 |
0.53020 |
| 43.900 |
0.56000 |
| 46.700 |
0.59210 |
| 49.900 |
0.61280 |
| 53.200 |
0.64700 |
| 56.299 |
0.67300 |
| 59.700 |
0.71120 |
| 63.300 |
0.73430 |
| 67.400 |
0.76820 |
| 71.099 |
0.79550 |
| 74.401 |
0.83580 |
| 78.100 |
0.86580 |
| 82.000 |
0.90020 |
| 85.800 |
0.93020 |
| 88.099 |
0.94720 |
| 92.700 |
1.00000 |
(P - pressure, x - liquid mole fraction)
Reference
| Source |
| Gonzalez J.A.; Domanska U.; Lachwa J.: Comparison with Results from Dortmund UNIFAC. Ind.Eng.Chem.Res. 44 (2005) 5795-5804 |
Vapor-Liquid Equilibrium Data Set 26033
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 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] |
| 3.600 |
0.00000 |
| 11.100 |
0.06500 |
| 14.300 |
0.08910 |
| 16.500 |
0.10210 |
| 20.300 |
0.13300 |
| 36.600 |
0.25490 |
| 45.600 |
0.32470 |
| 61.600 |
0.42160 |
| 67.700 |
0.44650 |
| 75.800 |
0.50030 |
| 80.600 |
0.52490 |
| 84.100 |
0.54480 |
| 87.699 |
0.56190 |
| 91.001 |
0.58190 |
| 98.000 |
0.61280 |
| 104.599 |
0.65190 |
| 111.700 |
0.67480 |
| 197.700 |
1.00000 |
(P - pressure, x - liquid mole fraction)
Reference
| Source |
| Gonzalez J.A.; Domanska U.; Lachwa J.: Comparison with Results from Dortmund UNIFAC. Ind.Eng.Chem.Res. 44 (2005) 5795-5804 |
Vapor-Liquid Equilibrium Data Set 30041
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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Constant Value
Data Table
| T [K] |
x1 [mol/mol] |
| 473.25 |
0.00000 |
| 454.25 |
0.08210 |
| 435.25 |
0.17270 |
| 406.95 |
0.34300 |
| 381.95 |
0.55620 |
| 374.85 |
0.63470 |
| 364.25 |
0.77820 |
| 357.55 |
0.89790 |
| 355.65 |
0.94380 |
| 353.85 |
1.00000 |
(T - temperature, x - liquid mole fraction)
Reference
| Source |
| Gnanakumari P.; Venkatesu P.; Hsieh C.-T.; Rao M.V.P.; Lee M.-J.; Lin H.-M.: Isobaric (vapour + liquid) equilibrium for N-methyl-2-pyrrolidone with branched alcohols. J.Chem.Thermodyn. 41 (2009) 184-188 |
Diagrams
List of All References
| Source |
| Gonzalez J.A.; Domanska U.; Lachwa J.: Comparison with Results from Dortmund UNIFAC. Ind.Eng.Chem.Res. 44 (2005) 5795-5804 |
| Gnanakumari P.; Venkatesu P.; Hsieh C.-T.; Rao M.V.P.; Lee M.-J.; Lin H.-M.: Isobaric (vapour + liquid) equilibrium for N-methyl-2-pyrrolidone with branched alcohols. J.Chem.Thermodyn. 41 (2009) 184-188 |
Vapor-Liquid Equilibrium Data Overview
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