Hydroxylamine hydrochloride

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Colorless, columnar crystals. Hydroxylamine hydrochloride is used as a reducing agent in photography. It is also used as an antioxidant in some commercial products.

Synonyms and Related Terms

oxammonium hydrochloride; hydroxylammonium chloride; hydroxylaminium chloride

Other Properties

Soluble in water, glycerol, propylene glycol. Insoluble in ether.

pH = 3.2 (0.2 molar solution)

Composition ClH4NO
CAS 5740-11-1
Melting Point 151 (dec)
Density 1.7
Molecular Weight mol. wt.=69.50

Hazards and Safety

Toxic by ingestion. Inhalation and contact with skin, eyes, and membranes are harmful. Decomposes with moisture to yield corrosive products and toxic fumes.

LINK: International Chemical Safety Card

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