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.

Components

No.	Formula	Molar Mass	CAS Registry Number	Name
1	H₂O	18.015	7732-18-5	Water
2	C₄H₆	54.092	106-99-0	1,3-Butadiene

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Data Table

Azeotropic Type	T [K]	P [kPa]	y_az,1 [mol/mol]	y_az,2 [mol/mol]	Measurement Method	Evaluation	Source
hetPmax	268.320	101.325	n.a.	0.99570	Distillation	Author	1

(y_az - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax	heterogeneous pressure maximum

List of References

1	Draiko L.I.; Liakumovich A.G.: Über die Zusammensetzung und Siedetemperatur einiger binärer Heteroazeotrope Kohlenwasserstoff-Wasser bei verschiedenen Temperaturen. Prom.Sint.Kaucuka (1970) 3-5

Diagrams

See larger image

Azeotropic Data Overview