The new energetic material ammonium dinitramide (ADN), NH4N(NO2)2, has been investigated with regard to its thermal properties and decomposition behavior. Thermal decomposition of ADN is observed after complete melting at 91.5 °C. The main decomposition pathway is based on the formation of NH4NO3 and N2O followed by the thermal decomposition of NH4NO3 to N2O and H2O at higher temperatures. Side reactions forming NO2, NO, NH3, N2 and O2 are described and a mechanism for the acid‐catalized decomposition of hydrogen dinitramide, dissociation product of ADN, is proposed.
The synthesis of 3,3′‐azobis(6‐amino‐1,2,4,5‐tetrazine) DAAT is described, obtained with an overall yield of 20% after six reaction steps. DAAT is a new high‐nitrogen energetic material with remarkable thermal stability and insensitivity against friction and impact. DAAT decomposes at relatively high temperatures (>250 °C) releasing one of the highest heats of decomposition ever measured by DSC. The decomposition pathway and its products investigated by thermal analysis are described.
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