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60458

Sigma-Aldrich

Potassium permanganate

puriss. p.a., ACS reagent, Hg ≤0.000005%, ≥99.0% (RT)

Empirical Formula (Hill Notation):
KMnO4
CAS Number:
Molecular Weight:
158.03
EC Number:
MDL number:
PubChem Substance ID:

grade

ACS reagent
puriss. p.a.

assay

≥99.0% (RT)

form

crystals

impurities

≤0.003% total nitrogen (N)

pH

7.2-9.7 (20 °C, 20 g/L)

anion traces

chloride, chlorate (as Cl-): ≤50 mg/kg
sulfate (SO42-): ≤100 mg/kg

cation traces

As: ≤10 mg/kg
Ca: ≤150 mg/kg
Cd: ≤5 mg/kg
Co: ≤5 mg/kg
Cr: ≤10 mg/kg
Cu: ≤5 mg/kg
Fe: ≤50 mg/kg
Hg: ≤0.05 mg/kg
Mg: ≤100 mg/kg
Na: ≤200 mg/kg
Ni: ≤10 mg/kg
Pb: ≤20 mg/kg
Zn: ≤10 mg/kg

SMILES string

[K+].[O-][Mn](=O)(=O)=O

InChI

1S/K.Mn.4O/q+1;;;;;-1

InChI key

VZJVWSHVAAUDKD-UHFFFAOYSA-N

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General description

Potassium permanganate (KMnO4) exhibits strong oxidizing properties. KMnO4 on dissolution in benzene and on complexation with dicyclohexyl-18-crown-6, affords a useful oxidizing reagent. This reagent participates as an oxidant for the oxidation of olefins, alcohols, aldehydes and alkyl benzenes under mild conditions.

Application

Used for the decomposition of organic samples for the det. of mercury
Potassium permanganate may be employed as an oxidizing agent in the synthesis of the following:
  • sulfonal (2,2-bisethylsulfonyyl)propane
  • cinchomeronic acid (pyridine-3,4-dicarboxylic acid)
  • isonicotinic acid (pyridine-4-carboxylic acid)
  • manganese(IV) sulfate
Suitable for heterogeneous oxidations.

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Certificate of Origin

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