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 C6H6 78.114 71-43-2 Benzene
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
none n.a. 101.325 n.a. n.a. Phase equilibrium DDBST 1
none 323.150 n.a. n.a. n.a. n.a. Author 2
none 333.150 n.a. n.a. n.a. n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 de Fré R.M.; Verhoeye L.A.: Phase Equilibria in Systems Composed of an Aliphatic and an Aromatic Hydrocarbon and Sulpholane. J.Appl.Chem.Biotechnol. 26 (1976) 469-487
2 Karvo M.: VI. Vapour-liquid equilibria for (benzene + sulfolane) and (toluene + sulfolane). J.Chem.Thermodyn. 12 (1980) 1175-1181

Azeotropic Data Overview