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 C4H8O 72.107 109-99-9 Tetrahydrofuran
Search the DDB for all data of this mixture

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. Phase equilibrium DDBST (CR) 1
none n.a. 101.325 n.a. n.a. Phase equilibrium DDBST from VLE (CR) 2
homPmax 337.250 95.800 n.a. n.a. Phase equilibrium DDBST from VLE (CR) 3

Note CR: Contradictory results for this system from several sources

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

none zeotropic
homPmax homogeneous pressure maximum

List of References

1 Shnitko V.A.; Kogan V.B.; Petrova N.V.: Tetrahydrofuran - Butanol-1. Zh.Prikl.Khim. 44 (1971) 2126-2128
2 Khrennikova O.V.; Egorenko G.A.; Samsonova N.I.; Semenova L.V.; Rodina G.L.: Untersuchung des Dampf-Flüssig-Gleichgewichtes in binären Systemen Tetrahydrofuran-Beimischung. Chimiceskie reaktivy i osobo cistye vescestva 52 (1990) 51-58
3 Vittal Prasad T.E.; Raj E.D.A.; Maheedhar G.; Reddy M.S.; Kumar V.S.; Garapati S.; Patanjali V.; Prasad D.H.L.: Bubble-Temperature Measurements on Some Binary Mixtures formed by Tetrahydrofuran or Amyl Alcohol with Hydrocarbons, Chlorohydrocarbons, or Butanols at (94.6 or 95.8) kPa. J.Chem.Eng.Data 49 (2004) 746-749

Azeotropic Data Overview