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 722
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 64.477 |
0.20390 |
| 102.158 |
0.34500 |
| 102.158 |
0.34860 |
| 110.531 |
0.37730 |
| 132.722 |
0.44310 |
| 146.119 |
0.63560 |
| 141.514 |
0.66800 |
| 140.258 |
0.66830 |
| 140.258 |
0.67680 |
| 130.209 |
0.72930 |
| 131.884 |
0.74050 |
| 127.279 |
0.77290 |
| 107.601 |
0.82770 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Diaz Pena M.; Fernandez Martin F.: Parte 1. Calor de mezcla del sistema n-butanol + metanol a 25,0°C. Anal.Fis.Quim.Ser.B 59 (1963) 323-330 |
Enthalpy of Mixing Data Set 723
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 17.400 |
0.04530 |
| 46.100 |
0.12640 |
| 78.700 |
0.22310 |
| 109.700 |
0.33170 |
| 131.200 |
0.42850 |
| 144.200 |
0.51690 |
| 149.000 |
0.59200 |
| 149.800 |
0.62090 |
| 147.500 |
0.65630 |
| 146.900 |
0.67400 |
| 141.600 |
0.71040 |
| 139.900 |
0.72560 |
| 133.000 |
0.75510 |
| 128.300 |
0.77650 |
| 111.700 |
0.82620 |
| 91.600 |
0.87110 |
| 69.100 |
0.91110 |
| 46.500 |
0.94440 |
| 25.800 |
0.97100 |
| 10.200 |
0.98900 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Pope A.E.; Pflug H.D.; Dacre B.; Benson G.C.: Molar Excess Enthalpies of Binary n-Alcohol Systems at 25 °C. Can.J.Chem. 45 (1967) 2665-2674 |
Enthalpy of Mixing Data Set 4680
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
CH4O |
32.042 |
67-56-1 |
Methanol |
| 2 |
C4H10O |
74.123 |
71-36-3 |
1-Butanol |
Search the DDB for all data of this mixture
Miscibility gap: No
Constant Value
| Temperature |
293.150 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| 3.720 |
0.04410 |
| 19.040 |
0.08600 |
| 33.550 |
0.12600 |
| 45.660 |
0.16410 |
| 58.520 |
0.20060 |
| 106.100 |
0.36080 |
| 135.470 |
0.49180 |
| 152.400 |
0.60090 |
| 147.370 |
0.69310 |
| 131.110 |
0.77210 |
| 105.990 |
0.84050 |
| 73.280 |
0.90030 |
| 36.030 |
0.95310 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732 |
Diagrams
List of All References
| Source |
| Diaz Pena M.; Fernandez Martin F.: Parte 1. Calor de mezcla del sistema n-butanol + metanol a 25,0°C. Anal.Fis.Quim.Ser.B 59 (1963) 323-330 |
| Pope A.E.; Pflug H.D.; Dacre B.; Benson G.C.: Molar Excess Enthalpies of Binary n-Alcohol Systems at 25 °C. Can.J.Chem. 45 (1967) 2665-2674 |
| Battler J.R.; Rowley R.L.: Excess enthalpies between 293 and 323 K for constituent binaries of ternary mixtures exhibiting partial miscibility. J.Chem.Thermodyn. 17 (1985) 719-732 |
Excess Enthalpy Data Overview
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