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 12443
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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Constant Value
Data Table
| x1 [mol/mol] |
y1 [mol/mol] |
| 0.06760 |
0.01100 |
| 0.13900 |
0.02890 |
| 0.17590 |
0.04440 |
| 0.27900 |
0.09370 |
| 0.37150 |
0.14630 |
| 0.40990 |
0.16860 |
| 0.43980 |
0.22890 |
| 0.48430 |
0.26570 |
| 0.53060 |
0.31360 |
| 0.61390 |
0.42900 |
| 0.62830 |
0.45000 |
| 0.68440 |
0.51570 |
| 0.74660 |
0.61110 |
| 0.77160 |
0.65520 |
| 0.84380 |
0.75250 |
| 0.84500 |
0.75440 |
| 0.94540 |
0.91580 |
(x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Surovy J.; Graczova E.; Dojcansky J.: Measurement of Vapour-Liquid Equilibrium Data of Liquids with Low Vapour Pressure. Collect.Czech.Chem.Commun. 52 (1987) 264-270 |
Vapor-Liquid Equilibrium Data Set 13329
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
| 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] |
| 0.08400 |
0.02000 |
| 0.18400 |
0.05500 |
| 0.31200 |
0.12400 |
| 0.35700 |
0.15900 |
| 0.43700 |
0.22200 |
| 0.49800 |
0.30000 |
| 0.53100 |
0.35900 |
| 0.58900 |
0.41800 |
| 0.62400 |
0.46400 |
| 0.68800 |
0.55600 |
| 0.72900 |
0.60900 |
| 0.77400 |
0.67000 |
| 0.83000 |
0.74700 |
| 0.86600 |
0.80300 |
| 0.91000 |
0.84900 |
| 0.95200 |
0.92300 |
(x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Surovy J.; Graczova E.; Oveckova J.: Vapour-Liquid Equilibrium in the Binary Systems formed by Ethylene Glycol, Diethylene Glycol, and n-Methylpyrrolidone. Collect.Czech.Chem.Commun. 54 (1989) 2856-2862 |
Vapor-Liquid Equilibrium Data Set 24478
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
| 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] |
| 461.45 |
0.00000 |
0.00000 |
| 460.75 |
0.20635 |
0.44030 |
| 459.95 |
0.40635 |
0.64483 |
| 458.65 |
0.70117 |
0.83265 |
| 458.05 |
0.82351 |
0.90471 |
| 457.65 |
0.91583 |
0.95102 |
| 457.25 |
1.00000 |
1.00000 |
(T - temperature, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Kalinichenko V.P.; Afanasenko L.D.; Korotkova E.V.: Dampf-Flüssig- und Fest-Flüssig-Gleichgewicht in System N-Methylpyrrolidon-Ethylenglyhol. Ukr.Khim.Zh.(Russ.Ed.) 68 (2002) 18-21 |
Diagrams
List of All References
| Source |
| Surovy J.; Graczova E.; Dojcansky J.: Measurement of Vapour-Liquid Equilibrium Data of Liquids with Low Vapour Pressure. Collect.Czech.Chem.Commun. 52 (1987) 264-270 |
| Surovy J.; Graczova E.; Oveckova J.: Vapour-Liquid Equilibrium in the Binary Systems formed by Ethylene Glycol, Diethylene Glycol, and n-Methylpyrrolidone. Collect.Czech.Chem.Commun. 54 (1989) 2856-2862 |
| Kalinichenko V.P.; Afanasenko L.D.; Korotkova E.V.: Dampf-Flüssig- und Fest-Flüssig-Gleichgewicht in System N-Methylpyrrolidon-Ethylenglyhol. Ukr.Khim.Zh.(Russ.Ed.) 68 (2002) 18-21 |
Vapor-Liquid Equilibrium Data Overview
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