Deep eutectic solvents comprising creatine and citric acid and their hydrated mixtures

Matthew P. Heaney; Laxmi Adhikari; Asher L. Siegel; Kyle B Pekar; Jonathan B Lefton; Claire McGuire; Pokpong Rungthanaphatsophon; Justin R. Walensky; Gary A. Baker; Tomče Runčevski

doi:10.1039/D1CC06088K

Deep eutectic solvents comprising creatine and citric acid and their hydrated mixtures†

Matthew P. Heaney,

^a Laxmi Adhikari,^b Asher L. Siegel,

^b Kyle B Pekar,^a Jonathan B Lefton,^a Claire McGuire,

^a Pokpong Rungthanaphatsophon,^b Justin R. Walensky,

^b Gary A. Baker

*^b and Tomče Runčevski

*^a

Author affiliations

* Corresponding authors

^a Department of Chemistry, Southern Methodist University, Dallas, TX 75275, USA
E-mail: truncevski@smu.edu

^b Department of Chemistry, University of Missouri, Columbia, MS 65211, USA
E-mail: bakergar@missouri.edu

Abstract

We report the phase diagram for the binary creatine–citric acid mixture which features a stable and broad eutectic region. Combinations containing 10–60 mol% creatine yield a deep eutectic solvent with a glass transition temperature at 270 K. Addition of up to 70 mol% water to the binary mixture affords retention of the eutectic nature and a handle to vary solvent viscosity and polarity.

This article is part of the themed collections: 2022 Emerging Investigators and Chemical Communications HOT Articles 2022

Chemical Communications

Deep eutectic solvents comprising creatine and citric acid and their hydrated mixtures†

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Deep eutectic solvents comprising creatine and citric acid and their hydrated mixtures

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