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Merck
CN

60458

Potassium permanganate

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

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About This Item

Empirical Formula (Hill Notation):
KMnO4
CAS Number:
Molecular Weight:
158.03
UNSPSC Code:
12352300
PubChem Substance ID:
EC Number:
231-760-3
MDL number:
Assay:
≥99.0% (RT)
Form:
crystals
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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

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

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.
Used for the decomposition of organic samples for the det. of mercury


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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

Storage Class

5.1B - Oxidizing hazardous materials

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Eagleson M.
Concise Encyclopedia Chemistry, 1047-1047 (1994)
Crown polyether chemistry. Potassium permanganate oxidations in benzene.
Sam DJ and Simmons HE.
Journal of the American Chemical Society, 94(11), 4024-4025 (1972)
Eagleson M.
Concise Encyclopedia Chemistry, 622-622 (1994)