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|Systematic IUPAC name
ethanoic nitric peroxyanhydride
3D model (JSmol)
CompTox Dashboard (EPA)
|Molar mass||121.05 g mol−1|
|1.46 × 10 5 mg l−1 at 298 K|
|Vapor pressure||29.2 mmHg at 298 K|
|0.000278 m3 atm mol−1 at 298 K|
Atmospheric OH rate constant
|10−13 cm3 molecule−1 s−1 at 298 K|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|what is ?)(|
Peroxyacetyl nitrate is a peroxyacyl nitrate. It is a secondary pollutant present in photochemical smog. It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas. It is a lachrymatory substance.
Peroxyacetyl nitrate, or PAN, is an oxidant that is more stable than ozone. Hence, it is more capable of long-range transport than ozone. It serves as a carrier for oxides of nitrogen (NOx) into rural regions and causes ozone formation in the global troposphere.
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