Organic NO,, compounds

The direct natural emission of oxidized organic nitrogen compounds is unknown. Therefore, organic nitrites and nitrates are produced in the decomposition process of hydrocarbons (Chapter 5.7) where different 0x0 and carbon (alkyl) radicals can add NO (leading to nitrites) and NO2 (leading to nitrates Fig. 5.9)  

Organic peroxo radicals also add NO, where the intermediate CH3OONO rearranges to CH3ONO (O)  

The peroxonitrate (not to be confused with peroxoacyl nitrates) decomposes by collision  

C2H5OO + NO2 + M CH3OONO2 + M CH3OONO2 + M CH3O2 + NO2 + M A 5,254 = 4.5 NO reacts with the methyl radical to form formaldehyde and nitroxyl  

The methoxy radical can in contrast to (5.251) react to generate nitrous acid however, both reactions are very slow and therefore not interesting in air  

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