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 C3H6O 58.080 67-64-1 Acetone
2 C6H14 86.177 110-54-3 Hexane
3 CH4O 32.042 67-56-1 Methanol
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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
homPmax 303.850 53.329 0.39300 n.a. 0.20600 n.a. Author 2
homPmax 309.550 66.661 0.37600 n.a. 0.22700 n.a. Author 2
homPmax 320.150 101.325 0.32744 n.a. 0.28136 n.a. Author 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax homogeneous pressure maximum

List of References

1 Foreman S.E.: Azeotropic Distillation of Methanol and Acetone with Hexane. US-Patent (1952) 1-6
2 Pivovarov A.M.; Marinichev A.N.; Susarev M.P.: Azeotrop-Eigenschaften des Systems n.Hexan-Aceton-Methylacetat-Methanol. Vestn.Leningr.Univ.Fiz.Khim. (1976) 100-105

Azeotropic Data Overview