|
gptkbp:instanceOf
|
gptkb:chemical_compound
|
|
gptkbp:appearance
|
pale blue solution
|
|
gptkbp:CASNumber
|
7782-77-6
|
|
gptkbp:chemicalFormula
|
HNO2
|
|
gptkbp:cookingMethod
|
by acidifying sodium nitrite solution
|
|
gptkbp:decaysTo
|
gptkb:water
nitrogen dioxide
nitric oxide
|
|
gptkbp:discoveredBy
|
gptkb:Wilhelm_Heinrich_Heintz
|
|
gptkbp:hasInChIKey
|
NTKJSMVZJQQXHW-UHFFFAOYSA-N
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
nitrous acid
|
|
gptkbp:isConjugateBaseOf
|
gptkb:hydronium
nitrite
|
|
gptkbp:IUPACName
|
gptkb:nitrous_acid
|
|
gptkbp:meltingPoint
|
decomposes
|
|
gptkbp:molecularWeight
|
47.013 g/mol
|
|
gptkbp:oxidationStates
|
+3
|
|
gptkbp:pKa
|
3.398
|
|
gptkbp:PubChem_CID
|
943
CHEBI:16349
|
|
gptkbp:relatedTo
|
nitrate
nitric acid
nitrite
|
|
gptkbp:riskFactor
|
unstable
toxic gases on decomposition
|
|
gptkbp:solubility
|
soluble
|
|
gptkbp:stateAtRoomTemperature
|
exists only in solution
|
|
gptkbp:UNNumber
|
None (not transported as pure acid)
|
|
gptkbp:uses
|
analytical chemistry
organic synthesis
preparation of diazonium salts
|
|
gptkbp:bfsParent
|
gptkb:Zincke_nitration
|
|
gptkbp:bfsLayer
|
7
|