![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/f/f7/Potassium-manganate-unit-cell-3D-balls.png/640px-Potassium-manganate-unit-cell-3D-balls.png&w=640&q=50)
Potassium manganate
Chemical compound / From Wikipedia, the free encyclopedia
Dear Wikiwand AI, let's keep it short by simply answering these key questions:
Can you list the top facts and stats about Potassium manganate?
Summarize this article for a 10 year old
SHOW ALL QUESTIONS
Potassium manganate is the inorganic compound with the formula K2MnO4. This green-colored salt is an intermediate in the industrial synthesis of potassium permanganate (KMnO4), a common chemical.[1] Occasionally, potassium manganate and potassium permanganate are confused, but each compound's properties are distinct.
Quick Facts Names, Identifiers ...
![]() | |
![]() | |
Names | |
---|---|
IUPAC names
Potassium manganate Potassium manganate(VI) | |
Identifiers | |
3D model (JSmol) |
|
ChemSpider |
|
ECHA InfoCard | 100.030.592 ![]() |
EC Number |
|
PubChem CID |
|
UNII | |
CompTox Dashboard (EPA) |
|
| |
| |
Properties | |
K2MnO4 | |
Molar mass | 197.132 g/mol |
Appearance | green crystals (darkening with time)[1] |
Density | 2.78 g/cm3, solid |
Melting point | 190 °C (374 °F; 463 K) (decomposition) |
decomposes | |
Acidity (pKa) | 7.1 |
Structure | |
isomorphous with K2SO4 | |
tetrahedral anion | |
Hazards | |
Occupational safety and health (OHS/OSH): | |
Main hazards |
oxidizer |
GHS labelling: | |
![]() ![]() | |
Warning | |
H272, H315, H319, H335 | |
P210, P220, P221, P261, P264, P271, P280, P302+P352, P304+P340, P305+P351+P338, P312, P321, P332+P313, P337+P313, P362, P370+P378, P403+P233, P405, P501 | |
NFPA 704 (fire diamond) | |
Related compounds | |
Related compounds |
Potassium permanganate Manganese dioxide Potassium chromate Potassium ferrate |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
|
Close