Journal
ANGEWANDTE CHEMIE-INTERNATIONAL EDITION
Volume 53, Issue 31, Pages 8172-8175Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/anie.201404790
Keywords
explosives; heterocycles; synthetic methods; tetrazoles; X-ray diffraction
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Funding
- Ludwig-Maximilian University of Munich (LMU)
- ARDEC
- ONR
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Adequate primary explosives such as lead azide mostly contain toxic ingredients, which have to be replaced. A new candidate that shows high potential, potassium 1,1'-dinitramino-5,5'-bistetrazolate (K(2)DNABT), was synthesized by a sophisticated synthetic procedure based on dimethylcarbonate and glyoxal. It was intensively characterized for its chemical (X-ray diffraction, EA, NMR and vibrational spectroscopy) and physico-chemical properties (sensitivity towards impact, friction, and electrostatic, DSC). The obtained primary explosive combines good thermal stability with the desired mechanical stability. Owing to its high heat of formation (326 kJ mol(-1)) and density (2.11 g cm(-3)), impressive values for its detonation velocity (8330 ms(-1)) and pressure (311 kbar) were computed. Its superior calculated performance output was successfully confirmed and demonstrated by different convenient energetic test methods.
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