Studies on the solubility of terephthalic acid in ionic liquids

Karolina Matuszek, Ewa Pankalla, Aleksander Grymel, Piotr Latos, Anna Chrobok

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2 Citations (Scopus)

Abstract

Low solubility of terephthalic acid in common solvents makes its industrial production very difficult and not environmentally benign. Ionic liquids are known for their extraordinary solvent properties, with capability to dissolve a wide variety of materials, from common solvents to cellulose, opening new possibilities to find more suitable solvents for terephthalic acid. This work presents studies on the solubility of terephthalic acid in ionic liquids, and demonstrates that terephthalic acid is soluble in ionic liquids, such as 1-ethyl-3-methylimidazolium diethylphosphate, 1-butyl-3-methylimidazolium acetate, and dialkylimidazolium chlorides up to four times higher than in DMSO. Additionally, the temperature effect and correlation of ionic liquid structure with solubility efficiency are discussed.

Original languageEnglish
Article number80
Number of pages10
JournalMolecules
Volume25
Issue number1
DOIs
Publication statusPublished - 1 Jan 2020

Keywords

  • Ionic liquids
  • Solubility
  • Terephthalic acid

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