Agent Name

Sodium permanganate

CAS Number

10101-50-5

Formula

Mn-O4.Na

Major Category

Metals

Synonyms

Permanganate de sodium [French]; Permanganato sodico [Spanish]; Permanganic acid (HMnO4), sodium salt; Permanganic acid, sodium salt; [ChemIDplus] UN1503

Category

Manganese Compounds, Inorganic

Description

Trihydrate: Reddish-black solid; Very hygroscopic; [Merck Index] Red solid; [HSDB] Purplish solid; [CAMEO] Black-brown crystals; [MSDSonline]

Sources/Uses

Used as an oxidizing agent, disinfectant , bactericide, and antidote (poisoning by morphine, curare, or phosphorus); [Hawley] Used to etch plastic parts in printed circuit boards; Formerly used as an astringent in the treatment of urethritis; [HSDB]

Comments

A strong oxidizing agent; Fire hazard on contact with organic substances; [Hawley] A strong oxidizing agent; May ignite combustible substances; [CAMEO] Corrosive to skin and eyes; [eChemPortal: ERMA] Potassium permanganate crystals and concentrated solutions (greater than1:5000 strength) are corrosive (release potassium hydroxide when contact water); Permanganates can induce methemoglobinemia after ingestion; [Olson, p. 133] May cause fire on contact with combustible materials; A severe skin and eye irritant; [MSDSonline] See "Manganese" and linked occupational diseases.

Exposure Assessment
TLV (ACGIH)

0.02 mg/m3, as Mn (respirable fraction), 0.1 mg/m3, as Mn (inhalable fraction)

PEL (OSHA)

Ceiling(OSHA)=5 mg/m3, as Mn

MAK

0.2 mg/m3, as Mn (inhalable fraction), 0.02 mg/m3, as Mn (respirable fraction)

Adverse Effects
Neurotoxin

Parkinson's Syndrome

Hepatotoxin

Hepatotoxin, Secondary

Methemoglobinemia

Methemoglobinemia, Secondary

Dermatotoxin

Skin Burns

Links to Other NLM Databases
Health Studies

Human Health Effects from Hazardous Substances Data Bank:

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: