Barium permanganate

Agent Name
Barium permanganate
CAS Number
7787-36-2
Formula
Mn2-O8.Ba
Major Category
Metals
Barium permanganate formula graphical representation
Synonyms
Barium manganate(VII); Permanganate barico [Spanish]; Permanganate de baryum [French]; Permanganic acid (HMnO4), barium salt; Permanganic acid, barium salt; UN1448; [ChemIDplus]
Category
Metals, Inorganic Compounds
Description
Dark purple to black solid; [CHRIS] Soluble in water; [HSDB]
Sources/Uses
Used as a dry cell depolarizer, disinfectant, and intermediate for the production of other permanganates; [HSDB]
Comments
A skin an eye irritant; [CHRIS] Toxic by ingestion causing abdominal pain, vomiting, and shortness of breath; [CAMEO] Permanganates can induce methemoglobinemia after ingestion; [Olson, p. 133] See "Potassium permanganate"; See "Barium, soluble compounds." See "Manganese" and linked occupational diseases.
Biomedical References

Exposure Assessment

Bioaccumulates
Yes
TLV (ACGIH)
0.5 mg/m3, as Ba, 0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction)
PEL (OSHA)
0.5 mg/m3, as Ba, Ceiling(OSHA) = 5 mg/m3, as Mn
MAK
0.5 mg/m3, as Ba, inhalable fraction(soluble compds), 0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)
IDLH (NIOSH)
50 mg/m3, as Ba

Adverse Effects

Methemoglobinemia
MetHgb is secondary toxic effect
Neurotoxin
Parkinsonism
Hepatotoxin
Hepatoxic (a) from occupational exposure (secondary effect) or (b) in animal studies or in humans after ingestion
ACGIH Carcinogen
Not Classifiable

Diseases, Processes, and Activities Linked to This Agent

Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: