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 687

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
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 298.150 K

Data Table

hE [J/mol] x1 [mol/mol]
53.000 0.26400
70.000 0.32100
80.000 0.37000
89.000 0.43000
93.000 0.47150
96.000 0.51810
99.000 0.54810
97.000 0.57310
101.000 0.62900
102.000 0.65500
97.000 0.72620
89.000 0.77570
88.000 0.78030
76.000 0.82700
66.000 0.84600
43.000 0.91500

(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 13974

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
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]
12.000 0.05000
31.000 0.10000
48.000 0.15000
60.000 0.20000
75.000 0.25000
85.000 0.30000
94.000 0.35000
103.000 0.40000
110.000 0.45000
113.000 0.50000
114.000 0.55000
114.000 0.60000
110.000 0.65000
101.000 0.70000

(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


Enthalpy of Mixing Data Set 13975

Components

No. Formula Molar Mass CAS Registry Number Name
1 CH4O 32.042 67-56-1 Methanol
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 298.150 K
Pressure 1.010 bar

Data Table

hE [J/mol] x1 [mol/mol]
12.000 0.05000
48.000 0.15000
60.000 0.20000
75.000 0.25000
89.000 0.30000
100.000 0.35000
108.000 0.40000
118.000 0.45000
123.000 0.50000
124.000 0.55000
124.000 0.60000
121.000 0.65000
115.000 0.70000
106.000 0.75000
94.000 0.80000
77.000 0.85000
58.000 0.90000
32.000 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

Excess Enthalpies of 1,2-Ethanediol+Methanol
See larger image

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
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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