Solubilization of the neutral and charged forms of 2,4,6-trichlorophenol by hydroxypropyl-β-cyclodextrin, or methyl-β-cyclodextrin in water

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Abstract

The solubility of 2,4,6-trichlorophenol (TCP) in hydroxypropyl-β- cyclodextrin (HPβCD), or methyl-β-cyclodextrin (MeβCD) at pH 3.0 and 8.8 reported by Hanna et al. [J. Hazard. Mater. B100 (2003) 109] is reevaluated in this paper. The complexations of the individual dissolved forms were examined. As expected, the neutral TCP complexes more strongly with the cyclodextrins than the charged species. However, in spite of its lower complexation constant, the charged form of TCP forms more complex with each CD, and thus is solubilized to a greater extent.

Original languageEnglish (US)
Pages (from-to)129-131
Number of pages3
JournalJournal of Hazardous Materials
Volume108
Issue number1-2
DOIs
StatePublished - Apr 30 2004

Keywords

  • 2,4,6-Trichlorophenol (TCP)
  • Complexation
  • Hydroxypropyl-β-cyclodextrin (HPβCD)
  • Methyl-β-cyclodextrin (MeβCD)
  • Solubilization

ASJC Scopus subject areas

  • Environmental Engineering
  • Environmental Chemistry
  • Waste Management and Disposal
  • Pollution
  • Health, Toxicology and Mutagenesis

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