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 C6H14 86.177 110-54-3 Hexane
2 C5H9NO 99.133 872-50-4 N-Methyl-2-pyrrolidone
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Hexane solved in N-Methyl-2-pyrrolidone

Temperature [K] Activity Coeff. at Inf. Dil. Measurement Method Source
288.15 14.300 GLCN 2
293.15 14.600 DILU 1
293.15 14.600 GLCN 1

List of measurement methods

Short Term Explanation
DILU dilutor
GLCN GLC (not specified)

List of References

1 Elsner T.; Hradetzky G.; Bittrich H.-J.: Teil IX: Grenzaktivitätskoeffizienten und Grenzselektivitäten von Kohlenwasserstoffen in N-Methylpyrrolidon, Ethandiol und deren Mischungen. Chem.Techn.(Leipzig) 38 (1986) 120-121
2 Masalscky T.; Popescu R.: Utilizarea coeficientilor de activitate la dilute infinita in studiul separarii hidrocarburilor olefinice si diolefinice. Rev.Chim. (Bucharest) 27 (1976) 292-295


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