A high density and insensitive fused [1,2,3]triazolo-pyrimidine energetic material

被引：48

作者：

Zhang, Guojie ^{[1
]}

Xiong, Hualin ^{[1
]}

Yang, Pengju ^{[1
]}

Lei, Caijin ^{[1
]}

Hu, Wei ^{[1
]}

Cheng, Guangbin ^{[1
]}

Yang, Hongwei ^{[1
]}

机构：

[1] Nanjing Univ Sci & Technol, Sch Chem Engn, Xiaolingwei 200, Nanjing 210094, Peoples R China

来源：

CHEMICAL ENGINEERING JOURNAL | 2021年 / 404卷

基金：

中国国家自然科学基金;

关键词：

Nitration; Decomposition temperature; Crystal-structure analysis; High energy insensitivity material; LOW-SENSITIVITY; HETEROCYCLE; MULTIPURPOSE; CRYSTALS; 2-OXIDE; RING;

D O I：

10.1016/j.cej.2020.126514

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A novel fused triazolo-pyrimidine energetic compound was synthesized by the two-step diazotization-nitrification method or one-step direct nitration reaction. The physical properties and detonation properties of intermediate 3H-[1,2,3]triazolo[4,5-d]pyrimidine-5,7-diamine (2) and N-(7-oxo-6,7-dihydro-2H-[1,2,3]triazolo[4,5d]pyrimidin-5-yl)nitramide (3) were further explored. Compound 2 has a higher decomposition temperature (368 degrees C) than that of 2,4,6-trinitrotoluene (TNT, 295 degrees C). X-ray crystal-structure analysis shows that the density of compound 3 was 1.97 g cm(-3) at 100 K. Not only the detonation performance of compound 3 (8845 m s(-1), 32.54 GPa) was predicted to approach RDX (8795 m s(-1), 34.9 GPa) but displays significantly good safety properties (36 J), which means that compound 3 may serve as a potential high energy insensitivity material (HEIM).

引用

页数：9

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