Potassium permanganate CAS 7722-64-7
Potassium permanganate (CAS 7722-64-7, formula KMnO4) is an industrial chemical with a molecular weight of about 158.03 g/mol. Its harmonised GHS classification carries the signal word Danger.
Identifiers
- Name
- Potassium permanganate
- CAS number
- 7722-64-7
- CLP index number
- 025-002-00-9
- EC number
- 231-760-3
- Molecular formula
- KMnO4
- Molecular weight
- 158.03 g/mol
- Also known as
- Permanganate, Condy's crystals, Permanganic acid potassium salt, Chameleon mineral, Potassium manganate(VII), KMnO4
GHS classification
Harmonised classification under the CLP Regulation (Annex VI), index number 025-002-00-9. Signal word: Danger.
| Hazard class | Code | Statement |
|---|---|---|
| Oxidizing liquids; Oxidizing solids | H272 | May intensify fire; oxidiser. |
| Acute toxicity, oral | H302 | Harmful if swallowed. |
| Reproductive toxicity | H361d | Suspected of damaging the unborn child. |
| Hazardous to the aquatic environment, acute hazard | H400 | Very toxic to aquatic life. |
| Hazardous to the aquatic environment, long-term hazard | H410 | Very toxic to aquatic life with long lasting effects. |
Pictograms
- GHS03 Flame over circle
- GHS07 Exclamation mark
- GHS08 Health hazard
- GHS09 Environment
Suppliers may classify additional hazards from their own data, so a supplier's Safety Data Sheet can list more than the harmonised entry.
Source: Regulation (EC) No 1272/2008, Annex VI, retrieved 2026-10-10. Confirm against the current consolidated text and your supplier's SDS before relying on it.
Creating a Safety Data Sheet for a product containing Potassium permanganate
If Potassium permanganate is an ingredient, record its CAS number and concentration in Section 3 and use it in the mixture classification that drives Section 2 and the label.
How to write a Safety Data Sheet · GHS mixture classification
Prepare SDS and labels in SDS Desk
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Start free trialFrequently asked questions
- What is the CAS number of Potassium permanganate?
- The CAS Registry Number of Potassium permanganate is 7722-64-7.
- What is the chemical formula of Potassium permanganate?
- Potassium permanganate has the formula KMnO4 and a molecular weight of about 158.03 g/mol.
- What are the GHS hazards of Potassium permanganate?
- Potassium permanganate carries the signal word Danger. Its harmonised hazard statements are H272, H302, H361d, H400, H410: May intensify fire; oxidiser.; Harmful if swallowed.; Suspected of damaging the unborn child.; Very toxic to aquatic life.; Very toxic to aquatic life with long lasting effects..
- Which GHS pictograms apply to Potassium permanganate?
- GHS03 (Flame over circle), GHS07 (Exclamation mark), GHS08 (Health hazard), GHS09 (Environment).
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Information is provided for general reference and is not a substitute for a supplier's Safety Data Sheet or professional advice. See our disclaimer.