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 71-36-3 1-Butanol
2 H2O 18.015 7732-18-5 Water
3 C8H10 106.167 106-42-3 p-Xylene
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Data Table

Azeotropic Type T [K] P [kPa] yaz,1 [mol/mol] yaz,2 [mol/mol] yaz,3 [mol/mol] Measurement Method Evaluation Source
hetPmax n.a. 101.300 0.14600 0.68600 n.a. Phase equilibrium Author by regression 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Gomis V.; Font A.; Saquete M.D.; Garcia-Cano J.: Isothermal (liquid + liquid) equilibrium data at T = 313.15 K and isobaric (vapor + liquid + liquid) equilibrium data at 101.3 kPa for the ternary system (water + 1-butanol + p-xylene). J.Chem.Thermodyn. 79 (2014) 242-247

Azeotropic Data Overview