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 H2O 18.015 7732-18-5 Water
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
homPmax 298.150 13.332 0.81065 n.a. n.a. Author 1
homPmax 305.950 17.332 0.78381 n.a. n.a. Author 1
homPmax 323.150 38.130 0.75750 n.a. n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax homogeneous pressure maximum

List of References

1 Pavlov S.Yu.; Pavlova S.P.; Kirnos A.B.: Azeotropes of Acetonitrile with C5 Hydrocarbons and with Water. Zh.Prikl.Khim. 39 (1966) 1555-1559
2 Villamanan M.A.; Allawi A.J.; van Ness H.C.: 11. Total Pressure Data and GE for Ethylene Glycol/Acetone/Water and for Ethylene Glycol/Acetonitrile/Water at 50 °C. J.Chem.Eng.Data 29 (1984) 293-296


Azeotropic Data of Acetonitrile+Water
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Azeotropic Data of Acetonitrile+Water
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Azeotropic Data Overview