Agent Name

Barium permanganate

CAS Number

7787-36-2

Formula

Mn2-O8.Ba

Major Category

Metals

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. 121] See "Potassium permanganate"; See "Barium, soluble compounds." See "Manganese" and linked occupational diseases.

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

Explanatory Notes

For occupational exposure limits, see "Manganese";

Adverse Effects
Neurotoxin

Parkinson's Syndrome

Hepatotoxin

Hepatotoxin, Secondary

Methemoglobinemia

Methemoglobinemia, Secondary

ACGIH Carcinogen

Not Classifiable

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

Toxicity Information

Search TOXNET

Chemical Information

Search ChemIDplus

Related Information in HazMap
Diseases

Occupational diseases associated with exposure to this agent:

Processes

Industrial Processes with risk of exposure: