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 7311

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H12O2 116.160 123-86-4 Acetic acid butyl ester
2 C8H10 106.167 106-42-3 p-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 298.060 K
Pressure 6.000 bar

Data Table

hE [J/mol] x1 [mol/mol]
-19.166 0.04720
-27.757 0.07090
-35.694 0.09460
-35.684 0.09460
-35.616 0.09460
-49.440 0.14240
-61.098 0.19040
-61.063 0.19040
-69.864 0.23870
-76.385 0.28730
-84.333 0.38540
-83.892 0.48470
-76.812 0.58520
-71.084 0.63590
-71.114 0.63590
-63.670 0.68700
-56.488 0.73830
-46.841 0.79000
-35.753 0.84200
-24.870 0.89440
-19.055 0.92060
-12.495 0.94700

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Gmehling J.; Meents B.: Excess Enthalpies of Some Alkyl Ethanoates (C4, C6, C8) + Toluene or + 1,4-Dimethylbenzene Mixtures. Int.Data Series Sel.Data Mixtures Ser. A 1992 (1992) 177-184


Enthalpy of Mixing Data Set 7404

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H12O2 116.160 123-86-4 Acetic acid butyl ester
2 C8H10 106.167 106-42-3 p-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 343.150 K
Pressure 6.000 bar

Data Table

hE [J/mol] x1 [mol/mol]
-10.443 0.04720
-19.419 0.09460
-26.840 0.14240
-33.264 0.19040
-41.982 0.28730
-46.290 0.38540
-45.742 0.48470
-41.330 0.58520
-34.446 0.68700
-24.608 0.79000
-18.776 0.84200
-12.939 0.89440
-12.993 0.89440
-6.084 0.94700

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Gmehling J.; Meents B.: Excess Enthalpies of Some Alkyl Ethanoates (C4, C6, C8) + Toluene or + 1,4-Dimethylbenzene Mixtures. Int.Data Series Sel.Data Mixtures Ser. A 1992 (1992) 177-184


Enthalpy of Mixing Data Set 17668

Components

No. Formula Molar Mass CAS Registry Number Name
1 C6H12O2 116.160 123-86-4 Acetic acid butyl ester
2 C8H10 106.167 106-42-3 p-Xylene
Search the DDB for all data of this mixture

Miscibility gap: No

Constant Value

Temperature 308.150 K

Data Table

hE [J/mol] x1 [mol/mol]
-14.900 0.07220
-35.800 0.18920
-47.900 0.31820
-51.100 0.35900
-57.600 0.48280
-57.000 0.63640
-57.000 0.65120
-44.800 0.78880
-36.900 0.83940
-22.800 0.91690

(hE - excess enthalpy, x - liquid mole fraction)

Reference

Source
Maken S.; Deshwal B.R.; Chadha R.; Anu; Singh K.C.; Kim H.; Park J.-W.: Molar Excess Volumes and Molar Excess Enthalpies. Fluid Phase Equilib. 235 (2005) 42-49

Diagrams

Excess Enthalpies of Acetic acid butyl ester+p-Xylene
See larger image

List of All References

Source
Gmehling J.; Meents B.: Excess Enthalpies of Some Alkyl Ethanoates (C4, C6, C8) + Toluene or + 1,4-Dimethylbenzene Mixtures. Int.Data Series Sel.Data Mixtures Ser. A 1992 (1992) 177-184
Maken S.; Deshwal B.R.; Chadha R.; Anu; Singh K.C.; Kim H.; Park J.-W.: Molar Excess Volumes and Molar Excess Enthalpies. Fluid Phase Equilib. 235 (2005) 42-49

Excess Enthalpy Data Overview


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