Potassium hypomanganate
| Names | |
|---|---|
| IUPAC names potassium manganate(V) potassium tetraoxidomanganate(3−) | |
| Identifiers | |
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| ChemSpider | |
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| Properties | |
| K3MnO4 | |
| Molar mass | 236.229 g·mol−1 | 
| Appearance | bright blue solid | 
| Density | 2.78 g/cm3 | 
| Melting point | 900 °C (1,650 °F; 1,170 K) (decomposes) | 
| UV-vis (λmax) | 670 nm (ε = 900 dm3 mol−1 cm−1) | 
| Related compounds | |
| Other anions | Potassium manganate Potassium permanganate | 
| Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references | |
Potassium hypomanganate is the inorganic compound with the formula K3MnO4. Also known as potassium manganate(V), this bright blue solid is a rare example of a salt with the hypomanganate or manganate(V) anion, where the manganese atom is in the +5 oxidation state. It is an intermediate in the production of potassium permanganate and the industrially most important Mn(V) compound.