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Citation: QIAN Hu, LIU Da-Bin, YE Zhi-Wen. A New Synthetic Approach toward Hexogen[J]. Chinese Journal of Applied Chemistry, ;2010, 27(10): 1235-1237. doi: 10.3724/SP.J.1095.2010.90849 shu

A New Synthetic Approach toward Hexogen

QIAN Hu ^a,b, ,
LIU Da-Bin ^a,b ,
YE Zhi-Wen ^a

a. School of Chemical and Engineering, Nanjing University of Science and Technology, Nanjing 210094;
b. National IEM Testing Laboratory, Nanjing 210094

Received Date: 17 December 2009
Revised Date: 9 March 2010

Acetonitrile-trioxymethylene was chosen to replace acetamide-paraformaldehyde for the synthesis of the intermediate hexahydro-1,3,5-triacetyl-s-triazine (TRAT),which was then nitrated by dinitrogen pentroxide to form hexogen(RDX). Under optimized synthetic conditions,a 95.2% yield of TRAT could be attained when the molar ratio of 1,3,5-trioxane to acetonitrile was 1:2,the molar ratio of H₂SO₄ to 1,3,5trioxane was 1:7.5,the reaction temperature was 75℃,the reaction time was 3 h, H₂SO₄ was chosen as catalyst and acetonitrile was used as both reactant and solvent.In the subsequent nitration process,carried at 45℃ for 1 h,a 87.2% yield of RDX could be achieved when the molar ratios of TRAT to N₂O₅ and N₂O₅ to HNO₃ were 1:7 and 1:6,respectively. The overall yield of RDX was 83.0% for this new approach. This established method might be scaled up for industrial productions of RDX due to its simpleness in terms of post treatment and environmental benign.
- hexahydrotriacetyl-s-triazine,
- hexogen,
- N₂O₅,
- nitrolysis,
- explosive
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