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 |
C2H4O2 |
60.053 |
64-19-7 |
Acetic acid |
| 2 |
C5H9NO |
99.133 |
872-50-4 |
N-Methyl-2-pyrrolidone |
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. |
26.670 |
n.a.
|
n.a.
|
Phase equilibrium |
Author from VLE |
2 |
| none |
n.a. |
101.330 |
n.a.
|
n.a.
|
Phase equilibrium |
DDBST from VLE |
1 |
(yaz - vapor and liquid mole fraction)
List of Azeotrope Types
List of References
| 1 |
Chang W.; Wan H.; Guan G.; Yao H.: Isobaric Vapor-Liquid Equilibria for Water + Acetic Acid + (N-Methyl Pyrrolidone or n-Methyl Acetamide). Fluid Phase Equilib. 242 (2006) 204-209 |
| 2 |
Ping L.-J.; Peng Y.; Mao J.-W.: Vapor-Liquid Equilibria of Acetic Acid-Water-N-Methylpyrrolidone System at 26.67 kPa. Gaoxiao-huaxue-gongcheng-xuebao 25 (2011) 554-557 |
Azeotropic Data Overview
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