Abstract
For decades “volatile organic solvents” (VOSs) and ionic liquids (ILs) have been used as promising solvents due to their interrelated and tunable properties. However, they have certain drawbacks as they are overpriced, detrimental, toxic, and poorly biodegradable. To subjugate these pitfalls of VOSs and ILs, the solvents known as “Deep Eutectic Solvents (DES)” are fabricated. The synthesis methods of DESs are green and environmentally benign. DESs are economical, nontoxic, biocompatible, and do not require any purification after synthesis. These solvents are the conjugation of hydrogen bond donors (HBD) and hydrogen bond acceptors (HBA) via hydrogen bonds. In our work, we have synthesized deep eutectic solvent combining tetrabutylammonium bromide (TBAB) as a hydrogen bond acceptor (HBA) and picric acid (PA) as a hydrogen bond donor (HBD) in their 1:1 molar composition. The preliminary study involved a feasibility test carried off by a solid-liquid phase diagram. The resulting DES was characterized by using 1 H NMR & FTIR, and its thermal properties were studied using TGA, DTA, and DSC. In the near future, we will compute several physical properties and computational simulation studies of this newly synthesized TBAB-PA-based DES, and its various applications are in the making in our laboratory.
Published Version
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