Potassium hypomanganate

Potassium hypomanganate
Names
	IUPAC names potassium manganate(V); potassium tetraoxidomanganate(3−)
Identifiers
3D model (JSmol)	Interactive image;
ChemSpider	64887110;
PubChem CID	118856760;
CompTox Dashboard (EPA)	DTXSID20893219 ;
	InChI InChI=1S/3K.Mn.4O/q3*+1;-3;;;; Key: BABZALCEXXHDEO-UHFFFAOYSA-N;
	SMILES O=[Mn-3](=O)(=O)=O.[K+].[K+].[K+];
Properties
Chemical formula	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). verify (what is ?) 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.

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