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Updated: Aug 6, 2026
10:33
Research and Development of High-performance Explosives
Published on: February 20, 2016
Constructing Advanced 5/6/5 Fused-Ring Skeletons for Nitramine Energetic Compounds: High-Energy Low-Sensitivity
Lei Zhao1, Chungui Xue1, Caijin Lei1
1School of Chemistry and Chemical Engineering, Nanjing University of Science and Technology, Xiaolingwei 200, Nanjing210094, P. R. China.
Organic Letters
|July 22, 2026
Summary
Researchers developed a novel 5/6/5 fused-ring energetic material, NNANT, with superior thermal stability (296 °C) and excellent detonation performance comparable to RDX. This advanced nitramine compound offers reduced sensitivity for safer applications.
Area of Science:
- Energetic Materials Science
- Organic Synthesis
- Materials Chemistry
Background:
- Nitramine compounds are crucial energetic materials, but achieving high thermal stability beyond cyclotetramethylenetetranitramine (HMX) remains a challenge.
- Existing high-performance nitramines often compromise thermal stability or safety.
Purpose of the Study:
- To synthesize a novel 5/6/5 fused-ring energetic material with enhanced thermal stability and detonation performance.
- To evaluate the detonation properties and sensitivity of the new compound.
Main Methods:
- A two-step cyclization reaction was employed for the synthesis of the NNANT compound.
- Thermal stability was determined by decomposition temperature (Td).
- Detonation velocity (Dv) and pressure (P) were measured to assess performance, alongside impact (IS) and friction (FS) sensitivity tests.
Main Results:
- The synthesized NNANT compound demonstrated a decomposition temperature (Td) of 296 °C, surpassing HMX (280 °C).
- NNANT exhibited a detonation velocity (Dv) of 8764 m·s⁻¹ and detonation pressure (P) of 31.7 GPa, comparable to RDX.
- The material showed lower sensitivity, with impact sensitivity (IS) > 40 J and friction sensitivity (FS) > 360 N.
Conclusions:
- NNANT is a promising novel energetic material offering a superior combination of thermal stability, high performance, and reduced sensitivity.
- This development expands the potential applications of nitramine compounds in high energy density materials.
- The successful synthesis of NNANT paves the way for future research into advanced, safer energetic materials.
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