The partitioning behavior of tyramine and 2-methoxyphenethylamine in a room temperature ionic liquid-water system compared to traditional organic-water system

Abstract

Ionic liquids have been proposed as replacements for volatile organic solvents (VOSs) by a range of authors, due to their very low vapor pressure, ability to dissolve a range of organic, inorganic, and organometallic compounds, immiscibility with water, and ability to form biphasic systems depending on the choice of cation/ union combination making up the ionic liquid. In this study the room temperature ionic liquid, 1-butyl-3-methylimidazolium hexafluorophosphate [bmim][PF6] was synthesized and a range of physical properties including the interfacial tension, viscosity, and density determined. The distribution of tyramine and 2-methoxyphenethylamine (MPEA) as a function of pH was determined..