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Organic Letters· 2026Q1

Thermally Stable Energetic Salts Featuring Tetrazine-Derived Diammonium Cations and Nitrogen-Rich Energetic Anions

Meera Khatri, Priyanka Das, Amit Bijlwan, Dheeraj Kumar

Short summary

New energetic salts derived from tetrazine-based diammonium cations and nitrogen-rich anions show high detonation performance and thermal stability, with compound 9 matching RDX performance (Vd = 8533 m/s, P = 27.09 GPa, Td = 207 °C, IS = 12.5 J).

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Key points

  • A new tetrazine-based diammonium cation precursor was synthesized efficiently.
  • Energetic salts were formed by pairing the cation with nitrogen- and oxygen-rich anions.
  • Compound 9 showed excellent performance (Vd=8533 m/s, P=27.09 GPa) and stability (Td=207 °C, IS=12.5 J).
  • Performance of compound 9 is comparable to RDX.
  • Tetrazine-derived cations offer a promising route to stable, high-performance energetic salts.

AI-generated from the title and abstract; the full text is not read.

Abstract

Abstract A nitrogen-rich tetrazine-based dicationic precursor, (1,2,4,5-tetrazine-3,6-diyl)dimethanaminium chloride (3), was synthesized in an efficient three-step procedure from readily available starting materials. Subsequent pairing of 3 with a series of nitrogen- and oxygen-rich energetic anions afforded energetic salts (4–12) that exhibit high detonation performance, good thermal stability, and reduced mechanical sensitivity. Among all the compounds, 9 exhibited the most favorable balance between energetic performance (Vd = 8533 m s–1; P = 27.09 GPa) and stability (Td = 207 °C; IS = 12.5 J), with energetic performance comparable to that of the well-known explosive RDX. Overall, these results demonstrate that tetrazine-derived diamine cations provide a promising platform for the development of thermally stable energetic salts with balanced energetic performance and stability.

The authors' abstract, as published at the source. Organic Letters, 2026 · DOI ↗

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Field: Mechanics of Materials

Mechanics of MaterialsEngineering