Permanganate
| Names | |
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| Systematic IUPAC name
Permanganate | |
| Identifiers | |
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| Properties | |
| MnO− 4 | |
| Molar mass | 118.934 g·mol−1 |
| Conjugate acid | Permanganic acid |
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
Infobox references | |
A permanganate (/pərˈmæŋɡəneɪt, pɜːr-/) is a chemical compound with the manganate(VII) ion, MnO−
4, the conjugate base of permanganic acid. Because the manganese atom has a +7 oxidation state, the permanganate(VII) ion is a strong oxidising agent. The ion is a transition metal ion with a tetrahedral structure. Permanganate solutions are purple in colour and are stable in neutral or slightly alkaline media.