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nitrous acid

CAS No.: 7782-77-6
Synonyms:
Formula: HNO2
Exact Mass: 47.00070
Molecular Weight: 47.01340
PSA: 49.66000
LogP: 0.14200
Reference Price: $565/kg Post Buying Request
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Nitrous acid (molecular formula HNO2) is a weak and monobasic acid known only in solution and in the form of nitrite salts.
Nitrous acid is used to make diazides from amines; this occurs by nucleophilic attack of the amine onto the nitrite, reprotonation by the surrounding solvent, and double-elimination of water. The diazide can then be liberated to give a carbene or carbenoid.

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