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 1090
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
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Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -41.870 |
0.21000 |
| -39.770 |
0.21900 |
| -47.310 |
0.39600 |
| -48.570 |
0.39800 |
| -51.920 |
0.56500 |
| -53.170 |
0.56500 |
| -42.710 |
0.72400 |
| -41.870 |
0.72600 |
| -30.140 |
0.86600 |
| -30.560 |
0.87300 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Parks G.S.; Kelley K.K.: Some Physical-Chemical Properties of Mixtures of Ethyl and iso-Propyl Alcohols. J.Phys.Chem. 29 (1925) 727-732 |
Enthalpy of Mixing Data Set 12648
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
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Miscibility gap: No
Constant Value
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -11.700 |
0.05440 |
| -24.000 |
0.12470 |
| -34.100 |
0.19640 |
| -45.700 |
0.31040 |
| -50.100 |
0.40810 |
| -50.200 |
0.48860 |
| -49.300 |
0.53270 |
| -49.400 |
0.54200 |
| -46.600 |
0.59850 |
| -40.200 |
0.68610 |
| -30.700 |
0.78250 |
| -17.700 |
0.88400 |
| -8.600 |
0.94470 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Haase R.; Tillmann W.: Mixing Properties of the Liquid System Ethanol + 2-Propanol. Z.Phys.Chem.(München) 196 (1996) 271-274 |
Enthalpy of Mixing Data Set 13596
Components
| No. |
Formula |
Molar Mass |
CAS Registry Number |
Name |
| 1 |
C2H6O |
46.069 |
64-17-5 |
Ethanol |
| 2 |
C3H8O |
60.096 |
67-63-0 |
2-Propanol |
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Miscibility gap: No
Constant Value
| Temperature |
298.150 |
K |
| Pressure |
1.010 |
bar |
Data Table
| hE [J/mol] |
x1 [mol/mol] |
| -10.200 |
0.05000 |
| -19.300 |
0.10000 |
| -26.100 |
0.15000 |
| -32.700 |
0.20000 |
| -36.800 |
0.25000 |
| -40.500 |
0.30000 |
| -43.000 |
0.35000 |
| -44.500 |
0.40000 |
| -45.200 |
0.45000 |
| -45.300 |
0.50000 |
| -44.800 |
0.55000 |
| -43.300 |
0.60000 |
| -40.200 |
0.65000 |
| -36.600 |
0.70000 |
| -32.400 |
0.75000 |
| -27.000 |
0.80000 |
| -21.300 |
0.85000 |
| -14.900 |
0.90000 |
| -8.000 |
0.95000 |
(hE - excess enthalpy, x - liquid mole fraction)
Reference
| Source |
| Nagata I.; Tamura K.; Miyai K.: Excess molar enthalpies hE of ternary mixtures of (methanol + ethanol + 1-propanol or 2-propanol) at 298.15 K. Fluid Phase Equilib. 149 (1998) 147-161 |
Diagrams
List of All References
| Source |
| Haase R.; Tillmann W.: Mixing Properties of the Liquid System Ethanol + 2-Propanol. Z.Phys.Chem.(München) 196 (1996) 271-274 |
| Parks G.S.; Kelley K.K.: Some Physical-Chemical Properties of Mixtures of Ethyl and iso-Propyl Alcohols. J.Phys.Chem. 29 (1925) 727-732 |
| Nagata I.; Tamura K.; Miyai K.: Excess molar enthalpies hE of ternary mixtures of (methanol + ethanol + 1-propanol or 2-propanol) at 298.15 K. Fluid Phase Equilib. 149 (1998) 147-161 |
Excess Enthalpy Data Overview
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