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 C2H3N 41.053 75-05-8 Acetonitrile
2 CH4O 32.042 67-56-1 Methanol
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
homPmax 312.670 37.544 n.a. 0.72000 Phase equilibrium DDBST 1
homPmax 322.310 56.449 n.a. 0.76400 Phase equilibrium DDBST 1
homPmax 336.910 101.325 n.a. 0.82500 Phase equilibrium DDBST from VLE 2

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

homPmax homogeneous pressure maximum

List of References

1 Dohnal V.; Holub R.; Pick J.: Vapor-Liquid Equilibrium in the Methanol-Acetonitrile System. Collect.Czech.Chem.Commun. 42 (1977) 1445-1452
2 Tamir A.; Wisniak J.: Liquid-Vapor Equilibria at 760 mmHg in the Systems Methanol- Acetonitrile and Acetonitrile-Propyl Bromide. J.Chem.Eng.Data 31 (1986) 363-364

Diagrams

Azeotropic Data of Acetonitrile+Methanol
See larger image 		Azeotropic Data of Acetonitrile+Methanol
See larger image

Azeotropic Data Overview

© DDBST GmbH