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Published on: June 20, 2014
Potassium trinitromethyl tetrazole (TNMT-K): a new member of the primary explosive family
Sohan Lal1, Richard J Staples2, Jean'ne M Shreeve1
1Department of Chemistry, University of Idaho, Moscow, Idaho 83844-2343, USA. jshreeve@uidaho.edu.
Abstract:
Design and synthesis of lead-free, environmentally benign primary explosives have been a significant challenge over the decades. Now a novel primary explosive, potassium 5-(trinitromethyl)-tetrazol-2-ide (TNMT-K), has been synthesized using straightforward and mild reaction conditions. TNMT-K offers advantages over traditional primary explosives such as facile synthesis, high positive oxygen balance (9.33%), insensitivity to light, good detonation properties (D = 7862 m s-1, P = 26.27 GPa, -Q = 5039 kJ kg-1), and very high mechanical sensitivity (IS < 1 J, FS < 5 N) with good thermal stability (Td = 118 °C), which make it a potential next generation primary explosive.
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