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Synthesis and Properties of 5,5´-Dinitramino-3,3´-bi(1,2,4-oxadiazole) and Its Energetic Salts

Abstract

In order to develop high energy density materials, 5,5´-dinitramino-3,3´-bi(1,2,4-oxadiazole) (3, DNABO), a new heterocyclic energetic compound, was synthesized by the simple nitration of 5,5´-diamino-3,3´-bi(1,2,4-oxadiazole) (2) with 95% fuming nitric acid. By treating compound 3 with two equivalents of energetic bases or their salts, a serial of energetic salts 4-10 based on nitrogen-rich cations were readily obtained. Among them, the hydroxylammonium salt (5) shows the best comprehensive properties (5: d=1.879 g cm-3; Td=190 oC; P=36.2 GPa; vD=8916 m s-1). Additionally, the guanidinium salt (7) possesses excellent thermal stability with an onset decomposition temperature of 317oC.

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Publication details

The article was received on 08 Apr 2018, accepted on 14 May 2018 and first published on 16 May 2018


Article type: Paper
DOI: 10.1039/C8NJ01683F
Citation: New J. Chem., 2018, Accepted Manuscript
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    Synthesis and Properties of 5,5´-Dinitramino-3,3´-bi(1,2,4-oxadiazole) and Its Energetic Salts

    Y. Cao, H. Huang, X. Lin, J. Yang and X. Gong, New J. Chem., 2018, Accepted Manuscript , DOI: 10.1039/C8NJ01683F

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