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	C₃H₆O	58.080	67-64-1	Acetone
2	C₆H₁₂	84.161	110-82-7	Cyclohexane

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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
homPmax	298.150	34.930	0.73900	n.a.	n.a.	Author	2
homPmax	323.150	90.499	0.75800	n.a.	Phase equilibrium	DDBST	3
homPmax	326.150	101.325	0.74632	n.a.	Distillation	Author	1

(y_az - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax	homogeneous pressure maximum

List of References

1	Lecat M.: Azéotropes de Cétones. Ann.Soc.Sci.Bruxelles Ser.1 60 (1946) 228-259
2	Tasic A.; Djordjevic B.; Grozdanic D.: Vapor-Liquid Equilibria of the Systems Acetone-Benzene, Benzene-Cyclohexane and Acetone-Cyclohexane at 25°C. Chem.Eng.Sci. 33 (1978) 189-197
3	Crespo Colin A.; Compostizo A.; Diaz Pena M.: and of (Cyclohexane +-Butanone). J.Chem.Thermodyn. 16 (1984) 497-502

Diagrams

See larger image

Azeotropic Data Overview