Calcium permanganate
Agent Name
Calcium permanganate
CAS Number
10118-76-0
Formula
Mn2-O8.Ca
Major Category
Other Classes
Synonyms
Acerdol; Calcium permanganate (Ca(MnO4)2); Permanganate de calcium [French]; Permanganato calcico [Spanish]; UN1456; [ChemIDplus]
Category
Inorganic Oxidizing Agents
Description
Violet to purple crystals (tends to adsorb water from air and become liquid); [HSDB]
Sources/Uses
Used as an antiseptic, disinfectant, and deodorizer; Used in welding electrode coatings/fluxes and in liquid rocket propellants; [HSDB]
Comments
Very toxic by ingestion, inhalation, or skin absorption; Can cause skin burns; [CAMEO] Potassium permanganate crystals and concentrated solutions are corrosive (release potassium hydroxide when contact water); Permanganates can induce methemoglobinemia after ingestion; [Olson, p. 133] See "Manganese" and linked occupational diseases.
Biomedical References
Exposure Assessment
Bioaccumulates
Yes
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
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
Dermatotoxin
Skin burns
Diseases, Processes, and Activities Linked to This Agent
Diseases
Occupational diseases associated with exposure to this agent:
Processes
Industrial Processes with risk of exposure: