
Nitrogen dioxide - Wikipedia
One of several nitrogen oxides, nitrogen dioxide is a reddish-brown gas. It is a paramagnetic, bent molecule with C 2v point group symmetry. Industrially, NO 2 is an intermediate in the synthesis of nitric acid, millions of tons of which are produced each year, primarily for the production of …
Nitrogen Dioxide - American Lung Association
Oct 26, 2023 · Nitrogen dioxide, or NO2, is a gaseous air pollutant composed of nitrogen and oxygen. NO2 forms when fossil fuels such as coal, oil, gas or diesel are burned at high temperatures.
NITROGEN DIOXIDE | CAMEO Chemicals | NOAA
Combines with oxygen to form nitrogen dioxide, a brown gas that is deadly poisonous [Merck 11th ed. (1989]. Decomposes in water to form nitric acid and nitric oxide, reacts with alkalis to form nitrate and nitrites [Merck 11th ed. 1989].
Nitrogen Dioxide | NO2 | CID 3032552 - PubChem
Nitrogen Dioxide is found in the atmosphere as a key ingredient in photochemical formation of smog and acid rain, Nitrogen Dioxide is a poisonous gas that forms during combustion. Toxic at high concentrations, it reacts with moisture in the air to form nitric acid, highly corrosive and hazardous to plants and animals. (NCI04) Nitrogen oxide (NO2).
Basic Information about NO2 | US EPA
Jul 16, 2024 · What is NO 2 and how does it get in the air? Nitrogen Dioxide (NO 2) is one of a group of highly reactive gases known as oxides of nitrogen or nitrogen oxides (NO x). Other nitrogen oxides include nitrous acid and nitric acid. NO 2 is used as the indicator for the larger group of nitrogen oxides.
CDC - NIOSH Pocket Guide to Chemical Hazards - Nitrogen dioxide
Yellowish-brown liquid or reddish-brown gas (above 70°F) with a pungent, acrid odor. [Note: In solid form (below 15°F) it is found structurally as N₂O₂.]
nitrogen dioxide - Encyclopedia Britannica
Mar 7, 2025 · nitrogen dioxide, inorganic compound, a highly reactive and poisonous gas. Nitrogen dioxide is one of several nitrogen oxides (NO x), including nitrous acid and nitric acid, and is often used as an indicator for the larger group of nitrogen oxides. Pungent and extremely volatile, the gas is a dangerous air pollutant associated with fossil fuel ...
Nitrogen Dioxide (NO₂) - Definition, Structure, Preparation, …
Jan 28, 2025 · Nitrogen dioxide is a gas that’s a bit of a troublemaker in our air. It’s made up of nitrogen and oxygen, two elements that are usually harmless on their own. But when they come together to form nitrogen dioxide, they create a reddish-brown gas that can make our air dirty and unhealthy to breathe.
NITROGEN DIOXIDE | 10102-44-0 - ChemicalBook
Dec 18, 2024 · 2NO2 + F2 → 2NO2F Nitrogen dioxide reacts with alkalies, giving a mixture of nitrite and nitrate: 2NO2 + 2OH¯ → NO2¯ + NO3¯ + H2O Description. nitrogen dioxide is a reddish-brown gas (or yellow liquid) with a strong, acrid odor.
Nitrogen dioxide | Formula, Properties & Application
Nitrogen dioxide, often represented by the chemical formula NO 2, is one of several nitrogen oxides. This reddish-brown toxic gas has a characteristic sharp, biting odor and is one of the most prominent air pollutants. Nitrogen dioxide primarily gets in the air from the burning of fuel.