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HYDROXYLAMINE CAS#7803-49-8

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Chemical Name：HYDROXYLAMINE

CAS No.:7803-49-8

Molecular Formula：H3NO

Molecular weight:33.03

Sample: Available

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Product Details

Products Description of HYDROXYLAMINE CAS#7803-49-8

Hydroxylamine is also called "hydroxylamine". Chemical formula NH2OH. Molecular weight 33.03. Unstable white large flake or needle-shaped crystals. Very easy to absorb moisture, volatile, very soluble in water. Deliquesce in the air. Odorless, corrosive to the skin. When the concentration is 100%, 10%, 20%, 30%, 40%, 50%, the relative density of the aqueous solution is: 1.2040, 1.0192, 1.0410, 1.0637, 1.0875, 1.1122. The product decomposes in hot water and is slightly soluble in ether, benzene, carbon disulfide, and chloroform. Melting point 32.05℃, boiling point 70℃ (1.33kPa).

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)
NIST Chemistry Reference	Hydroxylamine(7803-49-8)
EPA Substance Registry System	Hydroxylamine (7803-49-8)

Safety Information

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
F	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)

Product Application of HYDROXYLAMINE CAS#7803-49-8

Hydroxylamine is an important chemical raw material. It is used as a reducing agent in organic synthesis to condense with carbonyl compounds to form oximes. It is mainly used to synthesize caprolactam (production of nylon-6), drug intermediate hydroxylamine-O-sulfonic acid, and synthetic pesticides, medicines, chemicalbook spices, fuels, etc. In the semiconductor industry, hydroxylamine is also used as a component in photoresist solvents, and can also be used to selectively cut asparagine glycine peptide bonds. In the leather manufacturing industry, hydroxylamine is also an important depilatory agent.

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