Chemistry:Peroxynitric acid
From HandWiki
| |||
| |||
| Names | |||
|---|---|---|---|
| Preferred IUPAC name
Hydroxy nitrate | |||
| Systematic IUPAC name | |||
| Identifiers | |||
3D model (JSmol)
|
|||
| ChemSpider | |||
PubChem CID
|
|||
| |||
| Properties | |||
| HNO 4 | |||
| Molar mass | 79.011 g·mol−1 | ||
| 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 | |||
Tracking categories (test):
Peroxynitric acid or peroxonitric acid is a chemical compound with the formula HNO
4. It is an oxyacid of nitrogen, after peroxynitrous acid.
Preparation
Peroxynitrate, the conjugate base of peroxynitric acid, is formed rapidly during decomposition of peroxynitrite in neutral conditions.[4]
Atmospheric chemistry
Peroxynitric acid is formed in the atmosphere, although it is unstable, it is important as a reservoir for NO
2 through the reversible radical reaction:[5]
- HO
2NO
2 ⇌ HO
2•
+ NO
2•
Stability
The pure compound decomposes explosively at −30 °C (−22 °F). Solutions in water or acetic acid of over 70% concentration decompose autocatalytically with resulting explosions.[6]
References
- ↑ "Peroxynitric Acid - Compound Summary". https://pubchem.ncbi.nlm.nih.gov/compound/65357.
- ↑ "peroxynitric acid". PubChem. https://pubchem.ncbi.nlm.nih.gov/compound/65357.
- ↑ "125239-87-4". ChemIndex. http://www.chemindex.com/125239-87-4-cas.html.
- ↑ 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 Jr., James N. (2000), "7 - Chemistry of Inorganic Nitrogen Compounds", Chemistry of the Upper and Lower Atmosphere, Elsevier, p. 100, doi:10.1016/B978-012257060-5/50009-5, ISBN 978-0-12-257060-5
- ↑ Kaye, Seymour M. (1 January 1978). "P - Peroxides, Inorganic - Table 5 - Explosive Nature of Inorganic Peroxides". Encyclopedia of Explosives and Related Items (PDF) (Technical report). Vol. 8, M1 Thickener through Pyruvonitrolic Acid. Dover, NJ: Army Armament Research And Development Center - Large Caliber Weapon Systems Lab. p. P196. LCCN 61-61759. ADA057762, PATR 2700.
 |  |
