Competitive Coordination of Azide Groups: Synthesis of Solvent-Free and Chlorine-Free Primary Explosives Based on 3‑Amino-1-nitroguanidine

• Published in: Crystal growth & design Vol. 21; no. 12; pp. 7002 - 7007
• Main Authors: Wang, Ting-wei, Wang, Xiao-jun, Yi, Zhen-xin, Cao, Wen-li, Dong, Wen-shuai, Bi, Yu-fan, Zhu, Shun-guan, Zhang, Jian-Guo
• Format: Journal Article
• Language: English
• Published: American Chemical Society 01.12.2021
• ISSN: 1528-7483; 1528-7505
• DOI: 10.1021/acs.cgd.1c00926

A safe synthesis method for a new generation of primary explosives based on the guiding ideology of the coordination chemistry strategy with excellent performance capabilities has been developed. Based on 3-amino-1-nitroguanidine (ANQ), metal cations Co­(II), Ni­(II), and high-energy azide groups (N3 –), we created two coordination polymer primary explosives which are solvent-free and chlorine-free, and further confirmed by IR, elemental analysis, and single crystal X-ray diffraction. Thermal stability experiments have shown that their thermal decomposition temperature all exceed 170 °C. Sensitivity test and explosion parameter simulation show that 2 and 3 have excellent detonation performance and safety performance. In addition, the results of the initiating efficiency test support that 2 can be used as a suitable primary explosive.