Ammonium nitrite
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| Ammonium nitrite | |
|---|---|
| Systematic name | Ammonium nitrite |
| Other names | |
| Molecular formula | NH4NO2 |
| Molar mass | 64.06 g/mol |
| Density | |
| Melting point | |
| Boiling point | |
| CAS number | 13446-48-5 |
Ammonium nitrite, NH4NO2, is a salt which contains ammonium and nitrite ions. It is used as a rodenticide, microbiocide and agricultural pesticide, and is acutely toxic to both humans and aquatic organisms. <ref> Ammonium nitrite - Identification, toxicity, use, water pollution potential, ecological toxicity and regulatory information. Retrieved on 2006-07-26.</ref>
It can be formed by oxidizing ammonia with ozone or hydrogen peroxide, or in a precipitation reaction of barium or lead nitrite with ammonium sulfate, or silver nitrite with ammonium chloride. The precipitate is filtered off and the solution concentrated. It forms colorless crystals which are soluble in water and decompose on heating, with the formation of nitrogen.
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