SHEET /m/potassium-permanganate · PubChem CID 516875 · CAS 7722-64-7 · REV 2026.07
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Potassium permanganate
from sourceKMnO4 · 158.034 g/mol
Algae-K · Argucide · Cairox · Chameleon mineral
What is Potassium permanganate?
The intense purple crystals that turn water pink, used to disinfect wounds and treat drinking water. It stains everything brown it touches. from source
CategoryEveryday chemistry
Fig. 1 · 2D structure RDKit
SMILES
[O-][Mn](=O)(=O)=O.[K+]Relative acute toxicity from source
Animal study data · LD50
- Reported LD50
- 750 mg/kg · low toxicity
- Species
- rat
- Route
- oral
An LD50 describes acute toxicity under experimental conditions and is not a safe or dangerous dose for a person.
Toxicity & hazards
Toxicity · LD50
750 mg/kg · low toxicity · LD50 rat oral from source
3 more reported values
- 750 mg/kgLD50 · oral · mouse
- 810 mg/kgLD50 · oral · guinea pig
- 500 mg/kgLD50 · other · mouse
DangerOxidizerCorrosiveIrritantHealth hazardEnvironmentalH272, H302, H314, H318, H335, H341, H361, H370, H372, H373, H400, H410from source