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Peroxynitric acid

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From Wikipedia, the free encyclopedia

Peroxynitric acid

Names

Preferred IUPAC name

Hydroxy nitrate

Systematic IUPAC name

Hydroxy nitrate^[1]^[2]^[3]

Identifiers

CAS Number

26404-66-0^N

3D model (JSmol)

Interactive image

ChemSpider

58833^Y

PubChem CID

65357

CompTox Dashboard(EPA)

DTXSID201030501

InChI

Key: UUZZMWZGAZGXSF-UHFFFAOYSA-N^Y[Pubchem]

SMILES

[N+](=O)([O-])OO

Properties

HNO₄

79.01224 g/mol

Related compounds

Except where otherwise noted, data are given for materials in theirstandard state (at 25 °C [77 °F], 100 kPa).

Infobox references

Chemical compound

Peroxynitric acid orperoxonitric acid is achemical compound with theformulaHNO
₄. It is anoxyacid of nitrogen, afterperoxynitrous acid.

Preparation

[edit]

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

Atmospheric chemistry

[edit]

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
₂NO
₂ ⇌HO^•
₂ +NO^•
₂

References

[edit]

^"Peroxynitric Acid - Compound Summary".
^"peroxynitric acid". PubChem. Retrieved9 December 2012.
^"125239-87-4". ChemIndex. Retrieved9 December 2012.
^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.
^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, retrieved2020-09-24

v t e Nitrogen species
Hydrides	NH₃ NH₄⁺ NH₂⁻ N³⁻ NH₂OH N₂H₄ HN₃ N₃⁻ NH₅ (?)
Organic	NR₃ >C=NR −CONR₂ −CN HCN CN⁻ (CN)₂ H₂NCN HOCN HNCO HNCS CH₂N₂ –NO –NO₂
Oxides	NO /(NO)₂ N₂O₃ HNO₂ /NO⁻ ₂ /NO⁺ NO₂ /(NO₂)₂ N₂O₅ HNO₃ /NO⁻ ₃ /NO⁺ ₂ NO₃ HNO /(HON)₂ /N₂O²⁻ ₂ /N₂O H₂NNO₂ HO₂NO /ONOO⁻ HO₂NO₂ /O₂NOO⁻ NO³⁻ ₄ H₄N₂O₄ /N₂O²⁻ ₃
Halides	NF NF₂ NF₃ NF₅ (?) NCl₃ NBr₃ NI₃ FN₃ ClN₃ BrN₃ IN₃ NH₂F N₂F₂ NH₂Cl NHF₂ NHCl₂ NHBr₂ NHI₂
Oxidation states	−3,−2,−1, 0,+1,+2,+3,+4,+5 (a stronglyacidic oxide)

Authority control databases	GND

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