Peroxynitric acid

Summary

Peroxynitric acid or peroxonitric acid is a chemical compound with the formula HNO
4
. It is an oxyacid of nitrogen, after peroxynitrous acid.

Peroxynitric acid
Peroxynitric acid.svg
Peroxynitric acid Ball and Stick.png
Peroxynitric acid Space Fill.png
Names
Preferred IUPAC name
Hydroxy nitrate
Systematic IUPAC name
Hydroxy nitrate[1][2][3]
Identifiers
  • 26404-66-0 ☒N
3D model (JSmol)
  • Interactive image
ChemSpider
  • 58833 checkY
  • 65357
  • Key: UUZZMWZGAZGXSF-UHFFFAOYSA-N checkY[Pubchem]
  • [N+](=O)([O-])OO
Properties
HNO4
Molar mass 79.01224 g/mol
Conjugate base Peroxynitrate
Related compounds
Related compounds
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references

PreparationEdit

Peroxynitrate, the conjugate base of peroxynitric acid, is formed rapidly during decomposition of peroxynitrite in neutral conditions.[4]

Atmospheric chemistryEdit

Peroxynitric acid is formed in the atmosphere, although it is unstable, it is important as a reservoir for NO2 through the reversible radical reaction:[5]

HO
2
NO
2
HO
2
+ NO
2

ReferencesEdit

  1. ^ "Peroxynitric Acid - Compound Summary".
  2. ^ "peroxynitric acid". PubChem. Retrieved 9 December 2012.
  3. ^ "125239-87-4". ChemIndex. Retrieved 9 December 2012.
  4. ^ Miyamoto, S; Ronsein, GE; Corrêa, TC; Martinez, GR; Medeiros, MH; Di Mascio, P (2009). "Direct evidence of singlet molecular oxygen generation from peroxynitrate, a decomposition product of peroxynitrite". Dalton Trans (29): 5720–9. doi:10.1039/b905560f. PMID 20449086.
  5. ^ Finlayson-Pitts, Barbara J.; Pitts, James N. (2000), Chemistry of the Upper and Lower Atmosphere, Elsevier, p. 100, doi:10.1016/b978-012257060-5/50000-9, ISBN 978-0-12-257060-5, retrieved 2020-09-24