Nitric oxideNitric oxide (nitrogen oxide, nitrogen mono-oxide, or nitrogen monoxide ) is a colorless gas with the formula . It is one of the principal oxides of nitrogen. Nitric oxide is a free radical: it has an unpaired electron, which is sometimes denoted by a dot in its chemical formula (•N=O or •NO). Read from the Chembox of the Wikipedia article Nitric oxide, revision 1380009403.

Property

Value

Formula

NO, 30.01 g/mol

Melting point

-164 °C

Boiling point

-152 °C

Density

0.00134 g/cm³

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