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 C2H4O2 60.053 64-19-7 Acetic acid
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
homPmin 298.150 n.a. n.a. n.a. n.a. Author from VLE 3
homPmin 393.450 94.126 0.51800 n.a. Phase equilibrium Author 1
homPmin 395.750 101.325 0.59600 n.a. n.a. Author 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmin homogeneous pressure minimum

List of References

1 Rius A.; Otero J.L.; Macarron A.: systèmes méthanol—acide acétique; éthanol—acide acétique; n-propanol—acide acétique; n-butanol—acide acétique. Chem.Eng.Sci. 10 (1959) 105-111
2 Amer Amezaga S.; Fernandez Biarge J.: Comportamiento Termodinamico de Agunos Sistemas Binarios Acido Acetico-Alcohol en Equilibrio Liquido Vapor. Anal.Quim. 69 (1973) 569-586
3 Apelblat A.; Tamir A.; Wagner M.: The Binary Mixtures of Formic Acid with n-Butanol, n-Hexanol, n-Octanol, and n-Dodecanol. Z.Phys.Chem.(München) 134 (1983) 1-8


Azeotropic Data of 1-Butanol+Acetic acid
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Azeotropic Data of 1-Butanol+Acetic acid
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Azeotropic Data Overview