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Updated: Jun 22, 2026

Modification and Functionalization of the Guanidine Group by Tailor-made Precursors
Published on: April 27, 2017
Nitrogen-rich nitroguanidyl-functionalized tetrazolate energetic salts
Ruihu Wang1, Yong Guo, Zhuo Zeng
1State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou, Fujian, 350002, China.
New energetic materials, nitroguanidyl-functionalized tetrazolate salts, show improved thermal stability and higher energy density compared to traditional tetrazolates.
Area of Science:
- Energetic materials science
- Nitrogen-rich compounds
- Salt synthesis
Background:
- Tetrazolate salts are known energetic materials.
- There is a need for advanced energetic materials with enhanced properties.
- Nitroguanidyl functionalization offers potential for improved performance.
Purpose of the Study:
- To synthesize novel nitroguanidyl-functionalized tetrazolate salts.
- To investigate the thermal stability, density, and heat of formation of these new compounds.
- To compare their properties with existing tetrazolate analogues.
Main Methods:
- Synthesis of nitroguanidyl-functionalized tetrazolate salts using various guanidinium-derivatized and heterocycle-based cations.
- Characterization of the synthesized salts.
- Evaluation of thermal stability using techniques like Differential Scanning Calorimetry (DSC).
- Measurement of density and calculation of heat of formation.
Main Results:
- Successful synthesis of a series of nitrogen-rich nitroguanidyl-functionalized tetrazolate salts.
- Most synthesized salts demonstrated superior thermal stability compared to tetrazolate analogues.
- Higher densities and more positive heats of formation were observed in the novel compounds.
Conclusions:
- Nitroguanidyl-functionalization is an effective strategy for enhancing the properties of tetrazolate-based energetic materials.
- The synthesized salts represent promising candidates for advanced energetic applications.
- Further research into structure-property relationships is warranted.
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