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 | C4H10O | 74.123 | 71-36-3 | 1-Butanol |
| 2 | C8H10 | 106.167 | 106-42-3 | p-Xylene |
Data Table
| Azeotropic Type | T [K] | P [kPa] | yaz,1 [mol/mol] | yaz,2 [mol/mol] | Measurement Method | Evaluation | Source |
|---|---|---|---|---|---|---|---|
| none | 333.150 | n.a. | 0.51500 | n.a. | Phase equilibrium | Author from diagram | 3 |
| homPmax | 388.850 | 101.325 | 0.75271 | n.a. | Distillation | Author | 1 |
| homPmax | 389.150 | 101.325 | 0.76500 | n.a. | n.a. | Author | 2 |
(yaz - vapor and liquid mole fraction)
List of Azeotrope Types
| none | zeotropic |
|---|---|
| homPmax | homogeneous pressure maximum |
List of References
| 1 | Lecat M.: Nouveaux azéotropes binaires. Onzième liste. Ann.Soc.Sci.Bruxelles/B 49 (1929) 54-62 |
|---|---|
| 2 | Galska-Krajewska A.: Vpour-Liquid Equilibria in Binary Systems: p-Xylene-Aliphatic Alcohols at 760 mm Hg. Rocz.Chem. 41 (1967) 609-616 |
| 3 | Park S.J.; Doh M.S.: Measurement of the Vapor-liquid Equilibria and the Excess Molar Volumes of Benzene, Toluene and p-Xylene Mixtures with Alcohols(C1-C4). Hwahak Konghak 35 (1997) 46-54 |
Diagrams
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See larger image |