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 C4H10O 74.123 60-29-7 Diethyl ether
2 C4H6 54.092 106-99-0 1,3-Butadiene
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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. Distillation Author 1
none n.a. 101.325 n.a. n.a. Phase equilibrium Author 2
none 298.150 n.a. n.a. n.a. Phase equilibrium DDBST 3

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic

List of References

1 Lecat M.: Azéotropes binaires orthobares que forment des oxydes avec des hydrocarbures. Ann.Soc.Sci.Bruxelles Ser.1 62 (1948) 55-60
2 Bushmakin I.N.; Kuchinskaya K.I.: Dampf-Flüssig-Gleichgewicht in Mischungen Divinyl-Pseudebutylen, Divinyl-Ethanol, Divinyl-Acetaldehyd, Divinyl-Ethylester. Sintet.Kaucuk Moskva 5 (1936) 3-6
3 Wong K.F.; Eckert C.A.: Vapor-Liquid Equilibria of 1,3-Butadiene Systems. J.Chem.Eng.Data 14 (1969) 432-436

Azeotropic Data Overview