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HYDROXYLAMINE Structure

HYDROXYLAMINE

Chemical Properties

Melting point 7°C
Boiling point >100 °C
Density  1.078 g/mL at 25 °C
vapor pressure  9 mm Hg ( 40 °C)
refractive index  n20/D 1.393
RTECS  NC2975000
storage temp.  Store below +30°C.
solubility  Water
pka pK (20°) 7.97
form  white flakes or needles
color  white orthorhombic flakes or needles
Water Solubility  Miscible with water, liquid ammonia and methanol. Slightly miscible with ether, benzene, carbon disulfide and chloroform.
Merck  13,4853
Stability Stable. Incompatible with oxidizing agents, potassium dichromate, chromium trioxide, zinc, calcium, copper, sodium, ammonia, carbonyls, phosphorus halides, pyridine, hypochlorites.
InChIKey AVXURJPOCDRRFD-UHFFFAOYSA-N
CAS DataBase Reference 7803-49-8(CAS DataBase Reference)
EWG's Food Scores 5-7
FDA UNII 2FP81O2L9Z
NIST Chemistry Reference Hydroxylamine(7803-49-8)
EPA Substance Registry System Hydroxylamine (7803-49-8)

Safety

Symbol(GHS)
Signal wordDanger
Hazard statements H208-H290-H302-H315-H317-H318-H335-H351-H373-H400
Precautionary statements P210-P212-P230-P233-P280-P305+P351+P338-P371+P380+P375-P501
Hazard Codes  Xn,N
Risk Statements  5-22-37/38-41-43-48/22-50-40-21/22
Safety Statements  23-26-36/37/39-47-61-22-46
RIDADR  UN 3082 9/PG 3
WGK Germany  3
4.8
TSCA  Yes
HazardClass  8
PackingGroup  II
HS Code  28251090
Hazardous Substances Data 7803-49-8(Hazardous Substances Data)
Toxicity LD50 i.p. in mice: 1.83 mmol/kg (Smith, Layne)
NFPA 704:
0
2 3

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