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 1073
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 261.000 |
0.29200 |
| 297.000 |
0.29600 |
| 345.000 |
0.35550 |
| 394.000 |
0.41350 |
| 390.000 |
0.41700 |
| 416.000 |
0.49100 |
| 412.000 |
0.51400 |
| 424.000 |
0.54250 |
| 418.000 |
0.56700 |
| 426.000 |
0.59200 |
| 421.000 |
0.61600 |
| 410.000 |
0.62700 |
| 407.000 |
0.65500 |
| 384.000 |
0.69100 |
| 393.000 |
0.69200 |
| 338.000 |
0.76600 |
| 311.000 |
0.80960 |
| 303.000 |
0.81750 |
| 236.000 |
0.87500 |
| 201.000 |
0.89350 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Jimenez E.; Paz-Andrade M.I.; Casanova C.: Enthalpies and Volumes of Mixing of 1,2-Ethanediol - n-Alkanol Systems. J.Chim.Phys.Phys.-Chim.Biol. 76 (1979) 46-50 |
Enthalpy of Mixing Data Set 12679
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 144.449 |
0.10510 |
| 236.709 |
0.20060 |
| 320.060 |
0.30300 |
| 367.103 |
0.40170 |
| 389.418 |
0.50200 |
| 376.368 |
0.58380 |
| 327.948 |
0.69980 |
| 243.835 |
0.80040 |
| 145.382 |
0.90080 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Thorat R.T.; Nageshwar G.D.; Mene P.S.: Binary System, Ethanol Ethylene Glycol. Indian Chem.Eng. 20 (1978) 37-41 |
Enthalpy of Mixing Data Set 13986
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C2H6O2 |
62.068 |
107-21-1 |
1,2-Ethanediol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
285.650 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 64.000 |
0.05000 |
| 114.000 |
0.10000 |
| 154.000 |
0.15000 |
| 185.000 |
0.20000 |
| 387.000 |
0.55000 |
| 387.000 |
0.60000 |
| 377.000 |
0.65000 |
| 359.000 |
0.70000 |
| 324.000 |
0.75000 |
| 283.000 |
0.80000 |
| 223.000 |
0.85000 |
| 169.000 |
0.90000 |
| 89.000 |
0.95000 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Kracht C.; Ulbig P.; Schulz S.: Molar excess enthalpies of binary mixtures of the three glycols ethanediol, 1,2-propanediol and 1,2-butanediol with methanol or ethanol. Thermochim.Acta 337 (1999) 209-217 |
Diagrams
List of All References
| Source |
| Thorat R.T.; Nageshwar G.D.; Mene P.S.: Binary System, Ethanol Ethylene Glycol. Indian Chem.Eng. 20 (1978) 37-41 |
| Jimenez E.; Paz-Andrade M.I.; Casanova C.: Enthalpies and Volumes of Mixing of 1,2-Ethanediol - n-Alkanol Systems. J.Chim.Phys.Phys.-Chim.Biol. 76 (1979) 46-50 |
| Kracht C.; Ulbig P.; Schulz S.: Molar excess enthalpies of binary mixtures of the three glycols ethanediol, 1,2-propanediol and 1,2-butanediol with methanol or ethanol. Thermochim.Acta 337 (1999) 209-217 |
Excess Enthalpy Data Overview
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