Synthesis and energetic properties of n-methacrylated 3,4-and 3,5-dinitropyrazole

Dinitropyrazole (DNP) was substituted with methacryl groups on the pyrazole nitrogen for exploration of high thermally stable novel explosives. Both 3,4-and 3,5-DNP isomers were synthesized with this group and characterized by elemental analysis, FT-IR, 1H and 13C{1H} NMR spectroscopies. The methacr...

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Bibliographic Details
Main Authors: Kuehl, Valerie A., Cleveland, Alexander H., Snyder, Christopher J., Chavez, David E.
Format: Conference Proceeding
Language:English
Subjects:
Chemical analysis
Electrostatic discharges
NMR
Nuclear magnetic resonance
Pyrazole
Thermal stability
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Summary:Dinitropyrazole (DNP) was substituted with methacryl groups on the pyrazole nitrogen for exploration of high thermally stable novel explosives. Both 3,4-and 3,5-DNP isomers were synthesized with this group and characterized by elemental analysis, FT-IR, 1H and 13C{1H} NMR spectroscopies. The methacrylated DNPs were found to be less sensitive to impact, friction, and electrostatic discharge than both DNP parent compounds. The thermal stabilities of the methacrylated DNPs were found to both have lower decomposition and melt temperatures compared to 3,4-and 3,5-DNPs.
ISSN:0094-243X
1551-7616
DOI:10.1063/12.0020360