Ferrous ammonium sulfate

Agent Name
Ferrous ammonium sulfate
CAS Number
10045-89-3
Formula
Fe.2H3-N.2H2-O4-S
Major Category
Metals
Ferrous ammonium sulfate formula graphical representation
Synonyms
Ammonium ferrous sulfate; Ammonium iron sulfate; Ammonium iron sulfate (2:2:1); Ammonium iron(II) sulfate; Diammonium ferrous sulfate; Diammonium iron sulfate; Ferroammonsulfat; Ferrous ammonium sulfate (Fe(NH4)2(SO4)2); Ferrous ammonium sulphate; Ferrous diammonium disulfate; Mohr's salt; Mohr'sches salz; Sulfuric acid, ammonium iron(2+) salt (2:2:1); Vitaferro; [ChemIDplus] NA9122
Category
Metals, Inorganic Compounds
Description
Light green crystals, deliquescent and soluble in water; [CAMEO]
Sources/Uses
Used in medicine, metallurgy, and chemical analysis; [CAMEO] Also used in photography, iron-plating baths, and as a polymerization catalyst; Approved for use in the production of cellophane for food packaging; [HSDB]
Comments
A skin and eye irritant; [CAMEO] LD50 (rats) = 0.5-5 g/kg; [HSDB] Could cause iron poisoning and liver damage if ingested; [MSDSonline] See "Iron, soluble compounds."
Biomedical References

Exposure Assessment

TLV (ACGIH)
1 mg/m3, as Fe (soluble iron salts)
NFPA
will not burn

Adverse Effects

Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion

Diseases, Processes, and Activities Linked to This Agent

Processes

Industrial Processes with risk of exposure: