Agent Name

Ammonium nitrate

CAS Number

6484-52-2

Formula

H3-N.H-N-O3

Major Category

Nitrogen Compounds

Synonyms

Ammonium nitrate; Ammonium nitricum; Ammonium saltpeter; Ammonium(I) nitrate (1:1); German saltpeter; Herco prills; Merco Prills; Nitram; Nitrate d'ammonium [French]; Nitrate of ammonia; Nitrato amonico [Spanish]; Nitric acid, ammonium salt; Norway saltpeter; Varioform I; [ChemIDplus] UN0222; UN1942; UN2426;

Category

Nitrates and Nitrites

Description

White, odorless crystals; Deliquescent; [CHEMINFO]

Sources/Uses

Mainly used in the manufacturing of explosives (20%) and fertilizer (80%); Has also been used in the production of matches, pyrotechnics, cotton dessicant, insecticide and veterinary medication; [HSDB]

Comments

Listed in table of "Methemoglobinemia-inducing agents: industrial, environmental, and pharmaceutical"; [Sullivan, p. 729] Ruminants may develop methemoglobinemia from the ingestion of nitrate compounds (Nitrates are converted into nitrites in the rumen.) [HSDB] A skin, eye, and respiratory tract irritant; Can induce methemoglobinemia; [ICSC]

Restricted

Not registered for pesticide use in the United States; [HSDB]

Adverse Effects
Methemoglobinemia

Methemoglobinemia, Secondary

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Activities

Activities with risk of exposure: