DID YOU KNOW? DTIC has over 3.5 million final reports on DoD funded research, development, test, and evaluation activities available to our registered users. Click HERE
to register or log in.
Bishydrazinium and Diammonium Salts of 4,4',5,5'-Tetranitro-2,2'-biimidazolate (TNBI): Synthesis and Properties
ARMY ARMAMENT RESEARCH DEVELOPMENT AND ENGINEERING CENTER PICATINNY ARSENAL NJ EXPLOSIVES RESEARCH BRANCH
Pagination or Media Count:
The diammonium 1 and bishydrazinium 2 salts of 4,4 ,5,5 -tetranitro-2,2 -biimidazolate TNBI were synthesized and their physical properties as well as predicted explosive performance characteristics are described. These dianionic salts are easily formed in good yields by reaction of TNBI with aqueous solutions of the cationic species. TNBI is synthesized from 2,2 -biimidazole, which is ultimately synthesized by the condensation of aqueous glyoxal with ammonium acetate. The compounds were characterized by NMR spectroscopy, vibrational FT-IR and Raman spectroscopy, elemental analysis, thermal analysis DSC, VTS and calorimetry, and small scale safety testing impact, friction, ESD. The measured densities and heats of formation are reported. The materials show promise for use in IM explosive and propellant formulations due to the combination of their calculated performances, thermal stability and insensitivity to stimuli.
APPROVED FOR PUBLIC RELEASE