Dortmund Data Bank

Activity Coefficients at Infinite Dilution

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 60-29-7 Diethyl ether
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
Search the DDB for all data of this mixture

Diethyl ether solved in N-Methyl-2-pyrrolidone

Temperature [K] Activity Coeff. at Inf. Dil. Measurement Method Source
322.15 3.1100 DILU 1
348.05 2.9100 DILU 1
373.05 2.7300 DILU 1

List of measurement methods

Short Term Explanation
DILU dilutor

List of References

1 Krummen M.: Experimentelle Untersuchung des Aktivitätskoeffizienten bei unendlicher Verdünnung in ausgewählten Lösungsmitteln und Lösungsmittelgemischen als Grundlage für die Synthese thermischer Trennprozesse. Thesis (2002)


Activity Coefficients at Infinite Dilution of Diethyl ether+N-Methyl-2-pyrrolidone
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Activity Coefficient at Infinite Dilution Data Overview