Abstract
The thermal decomposition of two energetic ionic liquids, formed by pairing the 4-amino-1,2,4-triazolium cation with chloride (4ATCl), and nitrate (4ATN) anions, was studied by confined rapid thermolysis. Rapidscan FTIR spectroscopy and time-of-flight mass spectrometry were utilized in conjunction to identify the products of decomposition. Decomposition was achieved under heating rates of 2000 K/s and temperatures up to 340 °C for 4ATCl and 4ATN in an ambient inert gas at 1 atm. Whereas a proton transfer from the N 1 position primarily initiated decomposition in 4ATCl, the amino group was found to primarily participate in the initiation reaction in case of 4ATN. The parent molecule, 1- H-1,2,4-triazole, was detected during subsequent reactions. Ring fracture was also evident from the presence of HCN. The highly energetic nitrate salt formed copious amounts of H 2O and N 2O through multiple secondary reaction channels.
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