Abstract
The present work introduces a novel energetic ionic liquid (EIL), the 1,3-dibutyl-imidazolium nitrate [BBIm][NO3], that demonstrates interesting features such as symmetrical cation’s structure [BBIm] and the presence of nitrate anion [NO3], which confers the explosophoric oxidizing character. This EIL was synthesized by a simple green method and its chemical structure was fully characterized by 1-D 1H, 13C, 15N NMR, 2-D NMR, and FTIR spectroscopy. Besides, DSC and non-isothermal TGA analyses demonstrated that the [BBIm][NO3] displayed two stages of exothermicity and good thermal stability at temperatures ≤230 °C, which reduced its thermal hazard and enhanced its safe handling. Furthermore, the non-isothermal TGA data combined with isoconversional kinetic methods, i.e., TAS, it-KAS, and Vyazovkin/CE were used to determine the kinetics of its thermal decomposition. The obtained results revealed that the prepared [BBIm][NO3] EIL presents promising reactivity features, which may promote its further use in practical applications.
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