Hydrolytic Stability Study of Tetranitroglycoluri (TNGU) Produced via the US Army Research Laboratorys Synthetic Method

Report No. ARL-TR-7225
Authors: William M Sherrill; Eric J Bukowski; Terry L Piatt
Date/Pages: March 2015; 18 pages
Abstract: Tetranitroglycoluril (TNGU) was prepared according to the US Army Research Laboratory's (ARL's) method by the nitration of imidazo-[4,5-d]-imidazole nitrate using trifluoroacetic anhydride and 100% nitric acid. This resulting material was then subjected to hydrolytic stability studies in which it was placed into a temperature and humidity chamber set to 23 °C and 85% relative humidity and the change in concentration of TNGU was measured over time through the use of nuclear magnetic resonance spectroscopy.
Distribution: Approved for public release
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Last Update / Reviewed: March 1, 2015