Solubilities of organoboron compounds in organic solvents. 6. Solid-liquid equilibria of substituted pyrazaboles in alcohols and toluene

Marek Dąbrowski , Janusz Serwatowski , Andrzej Sporzyński

Abstract

The solubility of substituted pyrazaboles: 1,3,5,7-tetramethylpyrazabole (TMP) and 1,3,5,7-tetramethyl-4,4,8,8-tetraphenylpyrazabole (TMTFP) in methanol, ethanol, 2-propanol, tert-butanol and toluene have been determined by a dynamic method at temperatures ranging from the boiling point of the solvent to 285 K. Introduction of the substituents to a pyrazabole molecule strongly decreases the solubility in alcohols. The results have been correlated by the Wilson. UNIQUAC and UNIQUAC ASM equations. The best results were obtained for UNIQUAC ASM equation with the average root mean square deviation delta=1.5 K.
Author Marek Dąbrowski ZChF
Marek Dąbrowski,,
- Department Of Physical Chemistry
, Janusz Serwatowski ZChF
Janusz Serwatowski,,
- Department Of Physical Chemistry
, Andrzej Sporzyński ZChF
Andrzej Sporzyński,,
- Department Of Physical Chemistry
Journal seriesPolish Journal of Chemistry, ISSN 0137-5083
Issue year1998
Vol72
Pages2423-2431
Keywords in Englishorganoboron compounds pyrazaboles SLE solubility UNIQUAC Wilson
Internal identifier1720
Languageen angielski
Score (nominal)20
Citation count*0 (2015-05-10)
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