3D model (JSmol)
|Molar mass||375.198 g/mol|
|Appearance||dark violet to brown crystals|
|Melting point||200 °C (392 °F; 473 K) (decomposes)|
|62.5 g/100 mL (29 °C)|
|Solubility||decomposes in alcohol|
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Barium permanganate is a chemical compound, with the formula Ba(MnO4)2. 
Barium permanganate may be produced by disproportionation of barium manganate in a mildly acidic solution, or by oxidation of barium manganate with strong oxidants. Preparations relying on aqueous reactions of barium manganate are extremely slow process due to the low solubility of the manganate.
- Ba(MnO4)2 + H2SO4 → 2 HMnO4 + BaSO4
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