Dortmund Data Bank

Azeotropic 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.


No. Formula Molar Mass CAS Registry Number Name
1 C6H12 84.161 110-82-7 Cyclohexane
2 C4H8O2S 120.172 126-33-0 Sulfolane
Search the DDB for all data of this mixture

Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] Measurement Method Evaluation Source
Pmax n.a. 79.993 n.a. n.a. Phase equilibrium Author 2
Pmax n.a. 93.326 n.a. n.a. Phase equilibrium Author 2
none n.a. 102.778 n.a. n.a. Distillation Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic
Pmax pressure maximum

List of References

1 Gmehling J.: unpublished data. Unpublished Data (2011) 1-43
2 Mukhopadhyay M.; Pathak A.S.: Infinite-Dilution Activity Coefficients from Ebulliometric Isobaric Bubble Point-Composition Data of Hydrocarbon-Sulfolane Systems. J.Chem.Eng.Data 31 (1986) 148-152

Azeotropic Data Overview