Agent Name

Hydroxylamine hydrochloride

CAS Number

5470-11-1

Formula

Cl-H.H3-N-O

Major Category

Nitrogen Compounds

Synonyms

Hydroxyamine hydrochloride; Hydroxyammonium chloride; Hydroxylamine chloride; Hydroxylamine chloride (1:1); Hydroxylamine hydrochloride; Hydroxylamine-1-hydrochloride; Hydroxylammonium chloride; Oxammonium hydrochloride; [ChemIDplus] NA8027

Category

Hydroxylamines

Description

Colorless to off-white crystals that are hygroscopic and water soluble; [CAMEO]

Sources/Uses

Hydroxylamine is used in organic synthesis; in photographic developers; in the production of rubber, plastics, and steel; and in the separation of uranium and plutonium; [Ullmann]

Comments

A powerful reducing agent and a strong irritant of the skin and eyes; Can cause methemoglobinemia; Inhalation of high concentrations can induce toxic pneumonitis; [CAMEO] Negligible evaporation at room temperature; Harmful if dispersed particles are inhaled; A skin sensitizer; [ICSC] Causes skin burns; [MSDSonline] See "Hydroxylamine."

Exposure Assessment
Explanatory Notes

Melting point = 304 deg F (decomposes); [CAMEO]

Adverse Effects
Skin Sensitizer

Yes

Toxic Pneumonitis

Yes

Methemoglobinemia

Methemoglobinemia, Secondary

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Toxicity Information

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Chemical Information

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Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: