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 H2O 18.015 7732-18-5 Water
2 N2 28.013 7727-37-9 Nitrogen
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
nonesupercrit 533.150 n.a. n.a. n.a. Phase equilibrium DDBST from table 1
nonesupercrit 588.706 n.a. n.a. n.a. Phase equilibrium DDBST from table 1

(yaz - vapor and liquid mole fraction)

List of Azeotrope Types

nonesupercrit zeotropic supercritical

List of References

1 Pray H.A.; Schweickert C.E.; Minnich B.H.: Solubility of Hydrogen, Oxygen, Nitrogen, and Helium in Water at Elevated Temperatures. Ind.Eng.Chem. 44 (1952) 1146-1151

Azeotropic Data Overview