dinitrogen trioxide
chemical compound
Quick Summary
Dinitrogen trioxide, also known as nitrogen trioxide or nitrous anhydride, has the chemical formula N2O3. It is a deep blue, unstable liquid that readily decomposes into nitric oxide and nitrogen dioxide when at low temperatures. Dinitrogen trioxide is the anhydride of nitrous acid, meaning it reacts with water to form nitrous acid. This compound is one of several nitrogen oxides, which are often indicators of air pollution, particularly from the combustion of fossil fuels.123
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