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Since the first organic azide compound, phenyl azide, was prepared by the German chemist Griess in 1864, the power of pseudo-halogen secondary reaction through an azide reagent represented by sodium azide (also called sodium azide) A large number of organic azide compounds, triazole , tetrazole and other compounds have been prepared by the scientific nucleophilic reaction.
However, azide reagents represented by sodium azide and organic azide products and polynitrogen products are usually explosive.