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Published on: September 28, 2022
Tetraanionic nitrogen-rich tetrazole-based energetic salts
Dharavath Srinivas1, Vikas D Ghule, Krishnamurthi Muralidharan
1Advanced Centre of Research in High Energy Materials (ACRHEM), University of Hyderabad, Hyderabad, India.
New energetic salts based on 1,1,3,3-Tetra(1H-tetrazol-5-yl)propane were synthesized. These compounds demonstrate good thermal stability and high energy content, suggesting potential applications in energetic materials.
Area of Science:
- Energetic Materials Science
- Organic Synthesis
- Physical Chemistry
Background:
- Energetic salts are crucial for various applications, including propellants and explosives.
- Developing novel energetic materials with enhanced safety and performance is an ongoing research objective.
- Tetrazole-based compounds are known for their high nitrogen content and energetic properties.
Purpose of the Study:
- To synthesize and characterize novel energetic salts derived from 1,1,3,3-Tetra(1H-tetrazol-5-yl)propane.
- To evaluate the thermal stability, energetic properties, and structural characteristics of the synthesized salts.
- To explore the potential of these new compounds as advanced energetic materials.
Main Methods:
- Synthesis of tetra(1H-tetrazol-5-yl)propane-based energetic salts.
- Structural elucidation using Nuclear Magnetic Resonance (NMR) spectroscopy ((1)H and (13)C), Infrared (IR) spectroscopy, and Mass Spectrometry (MS).
- Thermal stability assessment via thermogravimetric-differential thermal analysis (TG-DTA).
- Elemental analysis for compositional verification.
Main Results:
- Successful synthesis of new energetic salts in a straightforward manner.
- Confirmation of salt structures through comprehensive spectroscopic and analytical techniques.
- Demonstrated high thermal stabilities, with decomposition temperatures exceeding 180 °C.
- Exhibited high positive enthalpies of formation and high nitrogen content.
- Moderate detonation properties were observed.
Conclusions:
- The synthesized 1,1,3,3-Tetra(1H-tetrazol-5-yl)propane-based energetic salts possess favorable characteristics for energetic material applications.
- Their combination of high thermal stability, high energy density, and manageable detonation properties makes them promising candidates for further investigation.
- The synthetic route provides a viable method for producing these advanced energetic compounds.
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