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 C6H12O2 116.160 123-86-4 Acetic acid butyl ester
3 H2O 18.015 7732-18-5 Water
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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 362.550 101.325 0.13475 n.a. 0.75449 n.a. Author 1
hetPmax 362.650 101.325 0.13475 n.a. 0.75449 n.a. Author 2
hetPmax 363.525 101.325 0.07260 n.a. 0.70340 n.a. Author 3

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

hetPmax heterogeneous pressure maximum

List of References

1 Hannotte T.: Contribution aux propriétés azéotropiques des éthers formique et acétiques des alcools saturés acycliques. Bull.Soc.Chim.Belg. 35 (1926) 85-109
2 von Bramer H.; Ruggles A.C.; Robinson E.A.: Process for the Purification of N-Monomethyl-P-Aminophenol and its Sulphate. US-Patent (1937) 1-4
3 Beregovykh V.V.; Timofeev V.S.; Lukyanova R.N.; Yakushev V.M.; Serafimov L.A.: Die Phasengleichgewichte in den Systemen n-Propanol-Wasser-n-Butylacetat und n-Butanol-Wasser-n-Butylacetat bei Atmosphärendruck. Uch.Zap.Mosk.Inst.Tonkoj Khim.Tekhnol. 1 (1971) 31-38

Azeotropic Data Overview