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 CHCl3 119.377 67-66-3 Chloroform
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
homSaddle 323.150 75.570 0.31300 0.25390 n.a. n.a. Author from VLE by regression 3
homSaddle 330.650 n.a. 0.31726 0.24182 n.a. n.a. Author 1
homSaddle 330.820 101.325 0.31800 0.24100 n.a. n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homSaddle homogeneous saddle

List of References

1 Ewell R.H.; Welch L.M.: Rectification in Ternary Systems Containing Binary Azeotropes. Ind.Eng.Chem. 37 (1945) 1224-1231
2 Hiaki T.; Kurihara K.; Kojima K.: Vapor-Liquid Equilibria for Acetone + Chloroform + Methanol and Constituent Binary Systems at 101.3kPa. J.Chem.Eng.Data 39 (1994) 714-719
3 Goral M.; Kolasinska G.; Oracz P.; Warycha S.: Vapor-Liquid Equilibria. II. The Ternary System Methanol-Chloroform-Acetone at 313.15 and 323.15 K. Fluid Phase Equilib. 23 (1985) 89-116

Azeotropic Data Overview