nitrite
/'naitrait/
Definition
- Noun:
- A chemical compound containing the nitrite ion (NO₂⁻): "nitrite" refers to any salt or ester of nitrous acid (HNO₂), characterized by the presence of the nitrite ion, which consists of one nitrogen atom bonded to two oxygen atoms.
- The univalent radical -NO₂: In chemistry, "nitrite" can also refer to the functional group or radical itself.
Usage Examples
- Noun:
- Sodium nitrite is commonly used as a food preservative.
- The test detected high levels of nitrite in the water sample.
- Nitrites can be converted into nitrates by bacteria in the soil.
Advanced Usage
- In organic chemistry: The term can describe organic compounds where the nitrite group is attached to a carbon chain, known as alkyl nitrites (e.g., amyl nitrite).
- Some alkyl nitrites are used in medicine as vasodilators.
Variants and Related Words
- Nitrous acid (HNO₂): The unstable acid from which nitrites are derived.
- Nitrate (NO₃⁻): A related ion and compound containing one more oxygen atom than nitrite.
- Nitrosamine: A class of compounds that can form from nitrites under certain conditions, often discussed in health contexts.
Synonyms
- Nitrite salt (when referring specifically to ionic compounds like sodium nitrite).
- Nitrite ester (when referring to organic compounds).
Related Phrases and Contexts
- Nitrite poisoning: A condition, especially in infants, caused by high nitrite levels interfering with blood's oxygen transport.
- Nitrite test: A common chemical test, for example in aquarium water analysis or clinical urinalysis, to detect the presence of nitrite ions.
Noun
-
the radical -NO2 or any compound containing it (such as a salt or ester of nitrous acid)
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