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 C8H10 106.167 108-38-3 m-Xylene
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 n.a. 101.330 n.a. n.a. Phase equilibrium Author 2
none 333.150 n.a. n.a. n.a. Phase equilibrium Author 3
none 348.150 n.a. n.a. n.a. Phase equilibrium DDBST from VLE by regression 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Yu Y.-X.; Gao G.-H.; Tong J.S.: Experimental Determination of Vapour-Liquid Equilibria of Sulfolane-Aromatic Hydrocarbon Systems and their Correlation. Proceedings / International Symposium on Thermodynamics in Chemical Engineering and Industry (ISTCEI) (1994) 420-425
2 Yu Y.-X.; He M.-Y.; Gao G.-H.; Li Z.-C.: Boiling points for five binary systems of sulfolane with aromatic hydrocarbons at 101.33 kPa. Fluid Phase Equilib. 190 (2001) 61-71
3 Chen W.-K.; Lee K.-J.; Ko J.-W.; Chang C.-M.J.; Hsiang D.; Lee L.-S.: Vapor-liquid equilibria and density measurement for binary mixtures of toluene, benzene, o-xylene, m-xylene, sulfolane and nonane at 333.15 K and 353.15 K. Fluid Phase Equilib. 287 (2010) 126-133

Azeotropic Data Overview