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 C2H3N 41.053 75-05-8 Acetonitrile
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 323.150 n.a. n.a. n.a. n.a. n.a. Author 2
homPmax 328.450 52.568 0.53154 0.46078 n.a. Distillation Author 1
homPmax 346.150 101.977 0.45179 0.52056 n.a. Distillation Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic
homPmax homogeneous pressure maximum

List of References

1 Gmehling J.; Bölts R.: Azeotropic Data for Binary and Ternary Systems at Moderate Pressures. J.Chem.Eng.Data 41 (1996) 202-209
2 Wilson S.R.; Patel R.B.; Abbott M.M.; van Ness H.C.: Excess Thermodynamic Functions for Ternary Systems. J.Chem.Eng.Data 24 (1979) 130-132

Azeotropic Data Overview