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 C2H6O2 62.068 107-21-1 1,2-Ethanediol
2 C2H6O 46.069 64-17-5 Ethanol
3 H2O 18.015 7732-18-5 Water
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Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] yaz,3 [mol/mol] Measurement Method Evaluation Source
none n.a. 101.300 n.a. n.a. n.a. Phase equilibrium Author 2
none n.a. 101.300 n.a. n.a. n.a. Phase equilibrium Author 3
none 323.150 n.a. 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 Gonzalez C.; van Ness H.C.: 9. Total-Pressure Data and gE for Water / Ethylene Glycol / Ethanol at 50 °C. J.Chem.Eng.Data 28 (1983) 410-412
2 Kamihama N.; Matsuda H.; Kurihara K.; Tochigi K.; Oba S.: Isobaric Vapor–Liquid Equilibria for Ethanol + Water + Ethylene Glycol and Its Constituent Three Binary Systems. J.Chem.Eng.Data 57 (2012) 339-344
3 Pla-Franco J.; Lladosa E.; Loras S.; Montón J.B.: Phase equilibria for the ternary systems ethanol, water + ethylene glycol or + glycerol at 101.3 kPa. Fluid Phase Equilib. 341 (2013) 54-60

Azeotropic Data Overview