H3NO
33.03 g/mol
Industrial ChemicalDanger
Hydroxylamine
CAS7803-49-8EC232-259-2
Category
Industrial Chemical
Compound Class
Amine
Primary Use
production of cyclohexanone oxime or caprolactam
Hydroxylamine is an inorganic compound that exists as hygroscopic colorless crystals. It is commonly supplied as an aqueous solution or as one of its salts, such as hydroxylammonium sulfate.
production of cyclohexanone oximeproduction of caprolactam
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
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Related Compounds
StrongSame Parent
Hydroxylammonium chloride
CAS5470-11-1
Organic synthesis reagent
ReferenceSame Category
Phosphine
CAS7803-51-2
Pesticide fumigant and semiconductor manufacturing
ReferenceSame Category
Ammonium metavanadate
CAS7803-55-6
vanadium purification intermediate and catalyst precursor
ReferenceSame Category
Hydrazine hydrate
CAS7803-57-8
reducing agent and solvent
ReferenceSame Category
Ammonium bisulfate
CAS7803-63-6
Hair-wave preparations and organic catalysts
Safety Reference
Danger
H200Unstable explosive
H290May be corrosive to metals
H302Harmful if swallowed
H312Harmful in contact with skin
H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H335May cause respiratory irritation
H351Suspected of causing cancer
H373May cause damage to organs through prolonged or repeated exposure
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H412Harmful to aquatic life with long lasting effects
H371May cause damage to organs
H372Causes damage to organs through prolonged or repeated exposure
Customs Tariff Classification
The international HS code for Hydroxylamine (CAS 7803-49-8) is 2825.10.
HS code (international, 6-digit)
2825.10
EU CN code (8-digit)
2825 10 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
hydroxylamine
InChIKey
AVXURJPOCDRRFD-UHFFFAOYSA-N
SMILES
NO
Synonyms (22)
- H2NHO
- H2NOH
- HOA
- (1) hydroxylamine
- Hydroxylamin
- N H2 O H
- N-hydroxyamine
- Nitroxide
- Oxammonium
- Oxyammonia
- amine N-oxide
- amino alcohol
- arninoalcohol
- azinous acid
- dihydridohydroxidonitrogen
- hydroxy amine
- hydroxylamine
- hyroxylamine
- oxidoazanium
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