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Issue 31, 2019

Efficient synthesis of N-methyltetranitropyrrole: A stable, insensitive and high energy melt-castable material

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Abstract

1-Methyl-2,3,4,5-tetranitropyrrole, a potential high energy density material, first reported in 1979 in only 0.28% overall yield, has been synthesized efficiently (in more than 5% overall yield) by following two alternate routes from 1-(triisopropylsilyl)pyrrole and 1-methylpyrrole. Detailed characterization shows that it is stable up to 196 °C and possesses a density of 1.93 g cm−3. The corresponding velocity of detonation and detonation pressure are 8950 m s−1 and 36.9 GPa, respectively. These values are slightly better than those of RDX, whereas, its sensitivity towards impact and friction are much lower than that of RDX. In addition, its melting point of 100 °C further highlights its potential as a melt castable material in a high energy formulation.

Graphical abstract: Efficient synthesis of N-methyltetranitropyrrole: A stable, insensitive and high energy melt-castable material

Supplementary files

Article information


Submitted
08 Mar 2019
Accepted
04 Jul 2019
First published
04 Jul 2019

New J. Chem., 2019,43, 12318-12324
Article type
Paper

Efficient synthesis of N-methyltetranitropyrrole: A stable, insensitive and high energy melt-castable material

V. Thaltiri, K. Chavva, B. S. Kumar and P. K. Panda, New J. Chem., 2019, 43, 12318 DOI: 10.1039/C9NJ01227C

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