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 1277
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 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] |
| 305.000 |
0.11900 |
| 446.000 |
0.20200 |
| 512.000 |
0.23600 |
| 570.000 |
0.28200 |
| 615.000 |
0.29850 |
| 651.000 |
0.32350 |
| 664.000 |
0.34270 |
| 680.000 |
0.35100 |
| 701.000 |
0.36650 |
| 719.000 |
0.41200 |
| 751.000 |
0.41800 |
| 762.000 |
0.44350 |
| 748.000 |
0.45400 |
| 774.000 |
0.46350 |
| 763.000 |
0.51600 |
| 754.000 |
0.54390 |
| 747.000 |
0.56400 |
| 680.000 |
0.66000 |
| 515.000 |
0.74840 |
| 357.000 |
0.82000 |
(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 17314
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 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] |
| 101.520 |
0.03140 |
| 194.890 |
0.06380 |
| 284.180 |
0.09740 |
| 358.570 |
0.13250 |
| 429.370 |
0.16920 |
| 488.890 |
0.20740 |
| 554.380 |
0.24730 |
| 599.330 |
0.28910 |
| 644.870 |
0.33290 |
| 681.060 |
0.37880 |
| 710.110 |
0.42700 |
| 732.520 |
0.47760 |
| 740.030 |
0.53090 |
| 736.890 |
0.58710 |
| 718.450 |
0.64630 |
| 675.150 |
0.70880 |
| 603.080 |
0.77500 |
| 482.240 |
0.84520 |
| 296.080 |
0.91970 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Nagashima A.; Yoshii S.; Matsuda H.; Ochi K.: Measurement and Correlation of Excess Molar Enthalpies for Ethylene Glycol + Alkanol Systems at the Temperatures (298.15, 308.15, and 323.15) K. J.Chem.Eng.Data 49 (2004) 286-290 |
Enthalpy of Mixing Data Set 17315
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
| 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] |
| 108.840 |
0.03140 |
| 203.050 |
0.06380 |
| 299.300 |
0.09740 |
| 382.120 |
0.13250 |
| 452.020 |
0.16920 |
| 519.150 |
0.20740 |
| 579.640 |
0.24730 |
| 637.570 |
0.28910 |
| 682.860 |
0.33290 |
| 720.770 |
0.37890 |
| 752.340 |
0.42700 |
| 773.060 |
0.47770 |
| 783.530 |
0.53090 |
| 780.130 |
0.58710 |
| 757.880 |
0.64630 |
| 714.200 |
0.70880 |
| 634.830 |
0.77500 |
| 511.620 |
0.84520 |
| 311.810 |
0.91970 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Nagashima A.; Yoshii S.; Matsuda H.; Ochi K.: Measurement and Correlation of Excess Molar Enthalpies for Ethylene Glycol + Alkanol Systems at the Temperatures (298.15, 308.15, and 323.15) K. J.Chem.Eng.Data 49 (2004) 286-290 |
Diagrams
List of All References
| 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 |
| Nagashima A.; Yoshii S.; Matsuda H.; Ochi K.: Measurement and Correlation of Excess Molar Enthalpies for Ethylene Glycol + Alkanol Systems at the Temperatures (298.15, 308.15, and 323.15) K. J.Chem.Eng.Data 49 (2004) 286-290 |
Excess Enthalpy Data Overview
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