5-Aminotetrazole

5-Aminotetrazole
Names
Other names
4-ATZ
Identifiers
4418-61-5
ChemSpider 19274
Jmol interactive 3D Image
PubChem 24879141
Properties
CH3N5
Molar mass 85.07
Appearance white solid
Density 1.502 g/cm3
Melting point 201-205 °C
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

5-Aminotetrazole is the organic compound with the formula HN4CNH2. It is a colorless solid that can be obtained both in anhydrous and hydrated forms. The compound has a particularly high nitrogen content of 80%. Partly for this reason the compound is prone to decomposition to nitrogen gas (N2). It has been widely investigated for gas-generating systems, such as airbags and blowing agents.[1]

The molecule is planar.[2] The hydrogen bonding pattern in the hydrate supports the assignment of NH being adjacent to carbon in the ring.[3]

References

  1. Lesnikovich, A. I.; Ivashkevich, O. A.; Levchik, S. V.; Balabanovich, A. I.; Gaponik, P. N.; Kulak, A. A. "Thermal decomposition of aminotetrazoles" Thermochimica Acta 2002, vol. 388, pp. 233-251. doi:10.1016/S0040-6031(02)00027-8
  2. Hiroshi Fujihisa, Kazumasa Honda, Shigeaki Obata, Hiroshi Yamawaki, Satoshi Takeya, Yoshito Gotoha, Takehiro Matsunaga "Crystal structure of anhydrous 5-aminotetrazole and its high-pressure behavior" CrystEngComm, 2011, volume 13, pp. 99-102. doi:10.1039/C0CE00278J
  3. D. D. Bray and J. G. White "Refinement of the structure of 5-aminotetrazole monohydrate" Acta Crystallogr. (1979). B35, pp. 3089-3091.doi:10.1107/S0567740879011493
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