1688. Calcium Permanganate

Nomenclature

CAS number: 10118-76-0
CaMn2O8; mol wt 277.95.
Ca 14.42%, Mn 39.53%, O 46.05%.
Ca(MnO4)2.

Description and references

Prepn from KMnO4 and CaCl2: GB 624885 (1949 to Boots Pure Drug Co. and T. Hagyard); from Al(MnO4)3 and Ca(OH)2: Jaskowiak, US 2504130 (1950 to Carus Chemical).

Properties

Violet or dark-purple, deliquesc crystals. Freely sol in water; dec in alcohol. Oxidizer. Keep tightly closed.

Use

Antiseptic, disinfectant, deodorizer; with CaF2 as binder for welding electrode coatings and fluxes.