Dortmund Data Bank
Excess Enthalpy 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.
Enthalpy of Mixing Data Set 9134
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C6H14 |
86.177 |
110-54-3 |
Hexane |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
363.150 |
K |
| Pressure |
8.000 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 266.000 |
0.03730 |
| 509.800 |
0.07570 |
| 739.800 |
0.11510 |
| 939.300 |
0.15560 |
| 1270.000 |
0.24010 |
| 1518.000 |
0.32950 |
| 1663.000 |
0.42430 |
| 1668.000 |
0.42430 |
| 1721.000 |
0.52510 |
| 1657.000 |
0.63230 |
| 1588.000 |
0.68860 |
| 1460.000 |
0.74670 |
| 1281.000 |
0.80680 |
| 1017.000 |
0.86900 |
| 1017.000 |
0.86900 |
| 624.800 |
0.93340 |
| 353.700 |
0.96640 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Fischer K.; Gmehling J.: Vapor-liquid equilibria, activity coefficients at infinite dilution and heats of mixing for mixtures of N-methyl pyrrolidone-2 with C5 or C6 hydrocarbons and for hydrocarbon mixtures. Fluid Phase Equilib. 119 (1996) 113-130 |
Enthalpy of Mixing Data Set 10727
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C6H14 |
86.177 |
110-54-3 |
Hexane |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 114.000 |
0.01500 |
| 131.000 |
0.01740 |
| 133.000 |
0.01780 |
| 149.000 |
0.01950 |
| 161.000 |
0.02110 |
| 220.000 |
0.03010 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Kedrina N.N.; Semenov L.V.; Gaile A.A.; Kaifadzhyan E.A.: Mischungsenthalpie der Kohlenwasserstoffe C5 und C6 mit polaren Lösungsmitteln. Oniitekhim (1983) 1-13 |
Diagrams
List of All References
| Source |
| Fischer K.; Gmehling J.: Vapor-liquid equilibria, activity coefficients at infinite dilution and heats of mixing for mixtures of N-methyl pyrrolidone-2 with C5 or C6 hydrocarbons and for hydrocarbon mixtures. Fluid Phase Equilib. 119 (1996) 113-130 |
| Kedrina N.N.; Semenov L.V.; Gaile A.A.; Kaifadzhyan E.A.: Mischungsenthalpie der Kohlenwasserstoffe C5 und C6 mit polaren Lösungsmitteln. Oniitekhim (1983) 1-13 |
Excess Enthalpy Data Overview
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