399124
Potassium permanganate
ACS reagent, ≥99.0%, low in mercury
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Fórmula empírica (notación de Hill):
KMnO4
Número CAS:
Peso molecular:
158.03
NACRES:
NA.21
PubChem Substance ID:
UNSPSC Code:
12352312
EC Number:
231-760-3
MDL number:
Assay:
≥99.0%
Grade:
ACS reagent
Form:
solid
Solubility:
water: soluble 63.8 g/L at 20 °C(lit.), acetone: soluble(lit.), methanol: soluble(lit.)
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ACS reagent
Quality Level
assay
≥99.0%
form
solid
reaction suitability
reagent type: oxidant
impurities
≤0.005% N compounds, ≤0.2% insolubles
pH
7.2-9.7 (20 °C, 20 g/L)
solubility
water: soluble 63.8 g/L at 20 °C(lit.), acetone: soluble(lit.), methanol: soluble(lit.)
anion traces
chloride, chlorate (as Cl-): ≤0.005%, sulfate (SO42-): ≤0.02%
cation traces
Hg: ≤0.05 ppm
SMILES string
[K+].[O-][Mn](=O)(=O)=O
InChI
1S/K.Mn.4O/q+1;;;;;-1
InChI key
VZJVWSHVAAUDKD-UHFFFAOYSA-N
General description
Potassium permanganate (PP, KMnO4) is a dark violet colored crystalline solid. It is a strong oxidizing agent used in the oxidation of a wide range of organic compounds. PP is commonly used as a disinfectant to treat external infections in aquaculture. Corncobs pretreated with alkaline potassium permanganate solution showed high carbohydrate recovery due to the increased enzymatic hydrolysis of lignocellulose. The acidic potassium permanganate chemiluminescence detection has been employed for the detection of cannabinoids.
Application
Suitable for heterogeneous oxidations.
Potassium permanganate was used in the preparation of layered MnO2 which may be employed as cathodic material in lithium secondary batteries.
It may be used as an oxidant in:
It may be used as an oxidant in:
- The reduction of polycyclic aromatic hydrocarbons found in coal tar pitches (CTPs).
- Oxidation of decabromodiphenyl ether in sulfuric acid medium.
- Oxidative cleavage of oximes to the corresponding carbonyl compounds potassium permanganate supported on kieselguhr.
- Oxidation of progestagens.
signalword
Danger
Hazard Classifications
Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1 - Ox. Sol. 2 - Repr. 2 - Skin Corr. 1 - STOT RE 2 Inhalation
target_organs
Brain
Clase de almacenamiento
5.1B - Oxidizing hazardous materials
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Oxidative Degradation of Decabromodiphenyl Ether (BDE 209) by Potassium Permanganate: Reaction Pathways, Kinetics, and Mechanisms Assisted by Density Functional Theory Calculations.
Shi J, et al.
Environmental Science & Technology, 49(7), 4209-4217 (2015)
Degradation of progestagens by oxidation with potassium permanganate in wastewater effluents.
Fayad PB, et al.
Chemistry Central Journal, 7, 84-84 (2013)
Reducing polycyclic aromatic hydrocarbons content in coal tar pitch by potassium permanganate oxidation and solvent extraction.
Wang W, et al.
Journal of Environmental Chemical Engineering, 3(3), 1513-1521 (2015)