Chemical Research in Chinese Universities

, Volume 34, Issue 6, pp 959–964 | Cite as

Crystal Structures, Thermal Behavior Analysis and Thermal Safety of Two Energetic Salts of Hydrazinyl-1,2,4,5-tetrazine with 3,5-Dinitrosalicylic Acid

  • Xiang Chen
  • Tian Zeng
  • Cong Zhang
  • Zhaoqi Guo
  • Shuailei Li
  • Tao Mai
  • Rong Gao
  • Haixia MaEmail author


Two energetic salts, DPHT DNS H2O(1) and DHT 2DNS 2H2O(2)[DPHT=3-(3,5-dimethyl-1H-pyrazol-1-yl)-6-hydrazinyl-1,2,4,5-tetrazine; DHT=3,6-dihydrazinyl-1,2,4,5-tetrazine], were synthesized from S-tetrazine with 3,5-dinitrosalicylic acid(DNS). Compounds 1 and 2 were structurally characterized by elemental analysis, infra-red spectroscopy, and single-crystal X-ray diffraction. The thermal behavior of the title compounds was studied by differential scanning calorimetry(DSC) and thermogravimetry(TG). The non-isothermal decomposition kinetics of compound 2 were investigated. The self-accelerating decomposition temperature, thermal ignition temperature, and critical temperatures of thermal explosion were obtained to evaluate the thermal safety of compound 2. The results show compounds 1 and 2 decompose at 150.8 and 179.2 °C, respectively. The TSADT and Tb of compound 2 are higher than those of DHT, which indicates compound 2 is a potential candidate for energetic materials that have good thermal stability.


Tetrazine compound Dinitrosalicylic acid(DNS) Crystal structure Thermal behavior Thermal safety 


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Supplementary material

40242_2018_8169_MOESM1_ESM.pdf (443 kb)
Crystal Structures, Thermal Behavior Analysis and Thermal Safety of Two Energetic Salts of Hydrazinyl-1,2,4,5-tetrazine with 3,5-Dinitrosalicylic Acid


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Copyright information

© Jilin University, The Editorial Department of Chemical Research in Chinese Universities and Springer-Verlag GmbH Germany, part of Springer Nature 2018

Authors and Affiliations

  • Xiang Chen
    • 1
  • Tian Zeng
    • 1
  • Cong Zhang
    • 1
  • Zhaoqi Guo
    • 1
  • Shuailei Li
    • 1
  • Tao Mai
    • 1
  • Rong Gao
    • 2
  • Haixia Ma
    • 1
    Email author
  1. 1.School of Chemical EngineeringNorthwest UniversityXi’anP. R. China
  2. 2.College of Chemistry and Materials ScienceNorthwest UniversityXi’anP. R. China

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