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 H2O 18.015 7732-18-5 Water
2 C4H8O2S 120.172 126-33-0 Sulfolane
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Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] Measurement Method Evaluation Source
none 298.150 n.a. n.a. n.a. n.a. Author 2
none 313.150 n.a. n.a. n.a. n.a. Author 1
none 323.150 n.a. n.a. n.a. n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Benoit R.L.; Choux G.: III. Etude des interactions eau-sulfolane. Can.J.Chem. 46 (1968) 3215-3219
2 Tommila E.; Lindell E.; Virtalaine M.-L.; Laakso R.: Densities, Viscosities, Surface Tensions, Dielectric Constants, Vapour Pressures, Activities, and Heats of Mixing of Sulpholane-Water, Sulpholane-Methanol, and Sulpholane-Ethanol Mixtures. Suom.Kemistil. 42 (1969) 95-104

Azeotropic Data Overview