Hydroxylamine (CAS 7803-49-8) Sigma-Aldrich

Hydroxylamine molecular structure — Molecular structure

The Sigma-Aldrich catalog lists 5 grades and pack sizes of Hydroxylamine (CAS 7803-49-8). Pick the code you need and request a quote for price and lead time from Klar Chem.

CAS	7803-49-8
Molecular formula	H3NO
Molecular weight	33.03 g/mol
IUPAC name	hydroxylamine
Synonyms	Oxammonium · azinous acid · RefChem:5894 · Nitroxide · HYDROXYAMINE · Oxyammonia

Safety & Hazards (GHS) Danger

Explosive

Corrosive

Irritant

Health hazard

Environmental hazard

H200 (Deleted) Unstable Explosive
H290 May be corrosive to metals
H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
H317 May cause an allergic skin reaction
H318 Causes serious eye damage
H335 May cause respiratory irritation
H351 Suspected of causing cancer
H373 May causes damage to organs through prolonged or repeated exposure
H400 Very toxic to aquatic life

⚠️ For information only (source: EU CLP harmonised classification and ECHA notifications, via PubChem); not a substitute for the official Safety Data Sheet (SDS).

Catalog codes and grades

Brand	Product / grade	Code
Sigma	HYDROXYLAMINE, 50 WT. % SOLUTION IN H2O	467804-10ML 467804-50ML	Request Quote
Sigma	HYDROXYLAMINE, 50 WT. % SOLUTION IN WAT	438227-1L	Request Quote
Sigma	HYDROXYLAMINE, 50 WT. % SOLUTION IN WATE	438227-250ML 438227-50ML	Request Quote

For information only; specifications and availability are confirmed at quotation. Prices are not listed.