Peroxyacetyl nitrate information

Peroxyacetyl nitrate
Names
	Preferred IUPAC name Acetic nitric peroxyanhydride
	Other names PAN; peroxyacetyl nitrate; α-oxoethylperoxylnitrate
Identifiers
CAS Number	2278-22-0 ;
3D model (JSmol)	Interactive image;
Abbreviations	PAN
ChemSpider	15907 ;
ECHA InfoCard	100.017.187
EC Number	218-905-6;
PubChem CID	16782;
UNII	SQ8V0P4N89 ;
CompTox Dashboard (EPA)	DTXSID4062301 ;
	InChI InChI=1S/C2H3NO5/c1-2(4)7-8-3(5)6/h1H3 Key: VGQXTTSVLMQFHM-UHFFFAOYSA-N ;
	SMILES CC(OO[N+]([O-])=O)=O;
Properties
Chemical formula	C2H3NO5
Molar mass	121.05 g mol−1
Solubility in water	1.46 × 10 5 mg l−1 at 298 K
log P	−0.19
Vapor pressure	29.2 mmHg at 298 K
Henry's law; constant (kH)	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). verify (what is ?) Infobox references

Peroxyacetyl nitrate is a peroxyacyl nitrate. It is a secondary pollutant present in photochemical smog.^[1] It is thermally unstable and decomposes into peroxyethanoyl radicals and nitrogen dioxide gas.^[2] It is a lachrymatory substance, meaning that it irritates the lungs and eyes.^[3]

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.^[1]

^ ^a ^b Singh, H.B. (2015). "TROPOSPHERIC CHEMISTRY AND COMPOSITION | Peroxyacetyl Nitrate". In North, Gerald R.; Pyle, John A.; Zhang, Fuqing (eds.). Encyclopedia of Atmospheric Sciences. Elsevier. pp. 251–254. doi:10.1016/B978-0-12-382225-3.00433-3. ISBN 978-0-12-382225-3.
^ Finlayson-Pitts, Barbara J.; Pitts, James N. (2000). Chemistry of the Upper and Lower Atmosphere. Academic Press. ISBN 978-0-12-257060-5.^{[page needed]}
^ Meyers, Robert A. (2002). Encyclopedia of Physical Science and Technology. Elsevier Science. ISBN 978-0-12-227410-7.^{[page needed]}

[Singh2015-1] Singh, H.B. (2015). "TROPOSPHERIC CHEMISTRY AND COMPOSITION | Peroxyacetyl Nitrate". In North, Gerald R.; Pyle, John A.; Zhang, Fuqing (eds.). Encyclopedia of Atmospheric Sciences. Elsevier. pp. 251–254. doi:10.1016/B978-0-12-382225-3.00433-3. ISBN 978-0-12-382225-3.

[2] Finlayson-Pitts, Barbara J.; Pitts, James N. (2000). Chemistry of the Upper and Lower Atmosphere. Academic Press. ISBN 978-0-12-257060-5.^{[page needed]}

[3] Meyers, Robert A. (2002). Encyclopedia of Physical Science and Technology. Elsevier Science. ISBN 978-0-12-227410-7.^{[page needed]}

Peroxyacetyl nitrate information

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Names


Preferred IUPAC name Acetic nitric peroxyanhydride
Other names PAN peroxyacetyl nitrate α-oxoethylperoxylnitrate
Identifiers
CAS Number	2278-22-0^Y
3D model (JSmol)	Interactive image
Abbreviations	PAN
ChemSpider	15907^N
ECHA InfoCard	100.017.187
EC Number	218-905-6
PubChem CID	16782
UNII	SQ8V0P4N89^Y
CompTox Dashboard (EPA)	DTXSID4062301
InChI InChI=1S/C2H3NO5/c1-2(4)7-8-3(5)6/h1H3^N Key: VGQXTTSVLMQFHM-UHFFFAOYSA-N^N
SMILES CC(OO[N+]([O-])=O)=O
Properties
Chemical formula	C₂H₃NO₅
Molar mass	121.05 g mol⁻¹
Solubility in water	1.46 × 10 ⁵ mg l⁻¹ at 298 K
log P	−0.19
Vapor pressure	29.2 mmHg at 298 K
Henry's law constant (k_H)	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). N verify (what is ^YN ?) Infobox references