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 26554
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 2 |
C2H4O2 |
60.053 |
64-19-7 |
Acetic acid |
| 3 |
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] |
x2 [mol/mol] |
y1 [mol/mol] |
y2 [mol/mol] |
| 372.96 |
1.00000 |
0.00000 |
1.00000 |
0.00000 |
| 390.85 |
0.00000 |
1.00000 |
0.00000 |
1.00000 |
| 477.01 |
0.00000 |
0.00000 |
0.00000 |
0.00000 |
| 396.41 |
0.22700 |
0.45010 |
0.66430 |
0.31770 |
| 398.83 |
0.21140 |
0.44300 |
0.67130 |
0.30630 |
| 401.05 |
0.17970 |
0.47300 |
0.66080 |
0.31950 |
| 403.66 |
0.19150 |
0.43420 |
0.66600 |
0.30600 |
| 405.91 |
0.17650 |
0.42760 |
0.66530 |
0.30120 |
| 406.89 |
0.16970 |
0.43320 |
0.65730 |
0.30510 |
| 407.67 |
0.18600 |
0.39990 |
0.67650 |
0.27920 |
| 408.01 |
0.16050 |
0.41960 |
0.66450 |
0.29070 |
| 409.32 |
0.13360 |
0.45870 |
0.61410 |
0.34260 |
| 410.65 |
0.14600 |
0.42930 |
0.64580 |
0.30770 |
| 410.86 |
0.14120 |
0.44960 |
0.62570 |
0.33640 |
| 415.98 |
0.07510 |
0.57600 |
0.37070 |
0.59990 |
| 415.99 |
0.04210 |
0.63580 |
0.18290 |
0.79720 |
| 416.42 |
0.04660 |
0.62050 |
0.22550 |
0.74920 |
| 417.21 |
0.05060 |
0.59590 |
0.27280 |
0.69860 |
(T - temperature, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Chang W.; Wan H.; Guan G.; Yao H.: Isobaric Vapor-Liquid Equilibria for Water + Acetic Acid + (N-Methyl Pyrrolidone or n-Methyl Acetamide). Fluid Phase Equilib. 242 (2006) 204-209 |
Vapor-Liquid Equilibrium Data Set 32321
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
H2O |
18.015 |
7732-18-5 |
Water |
| 2 |
C2H4O2 |
60.053 |
64-19-7 |
Acetic acid |
| 3 |
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] |
x2 [mol/mol] |
y1 [mol/mol] |
y2 [mol/mol] |
| 359.95 |
0.26820 |
0.32500 |
0.90110 |
0.09610 |
| 364.45 |
0.24360 |
0.32750 |
0.87180 |
0.11590 |
| 364.85 |
0.22100 |
0.31050 |
0.85310 |
0.11440 |
| 366.52 |
0.20150 |
0.31270 |
0.84100 |
0.12020 |
| 368.44 |
0.19470 |
0.31150 |
0.83590 |
0.12440 |
| 369.23 |
0.18750 |
0.31570 |
0.83120 |
0.13050 |
| 371.97 |
0.16420 |
0.31420 |
0.80650 |
0.14060 |
| 372.26 |
0.16200 |
0.31470 |
0.80990 |
0.14510 |
| 378.06 |
0.13250 |
0.31760 |
0.77400 |
0.16060 |
| 377.93 |
0.13150 |
0.31540 |
0.78620 |
0.15870 |
| 380.35 |
0.12300 |
0.31480 |
0.77590 |
0.15240 |
| 384.87 |
0.11500 |
0.27340 |
0.76860 |
0.14060 |
| 389.31 |
0.07900 |
0.26110 |
0.70050 |
0.15420 |
| 393.07 |
0.06700 |
0.26000 |
0.64300 |
0.16850 |
| 395.49 |
0.05800 |
0.25780 |
0.59960 |
0.18290 |
| 353.00 |
0.00000 |
1.00000 |
0.00000 |
1.00000 |
| 428.65 |
0.00000 |
0.00000 |
0.00000 |
0.00000 |
(T - temperature, x - liquid mole fraction, y - vapor mole fraction)
Reference
| Source |
| Ping L.-J.; Peng Y.; Mao J.-W.: Vapor-Liquid Equilibria of Acetic Acid-Water-N-Methylpyrrolidone System at 26.67 kPa. Gaoxiao-huaxue-gongcheng-xuebao 25 (2011) 554-557 |
List of All References
Vapor-Liquid Equilibrium Data Overview
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