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 C2H6O 46.069 64-17-5 Ethanol
2 C4H10O 74.123 71-36-3 1-Butanol
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
none n.a. 101.325 n.a. n.a. Phase equilibrium DDBST 2
none n.a. 101.325 n.a. n.a. n.a. Author 1
none 313.150 n.a. n.a. n.a. n.a. Author from diagram from VLE 3

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Hellwig L.R.; van Winkle M.: Vapor-Liquid Equilibria for Ethyl Alcohol Binary Systems. Ind.Eng.Chem. 45 (1953) 624-629
2 Gay L.: (Deuxième mémoire). Chim.Ind.Genie Chim. 18 (1927) 187-203
3 Oracz P.: Liquid-Vapor Equilibrium and Excess Gibbs Energy of Binary 1-Alkanol (C1 - C5) Mixtures. Int.Data Series Sel.Data Mixtures Ser. A 1986 (1986) 72-101

Azeotropic Data Overview