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1.05084 Supelco

Potassium permanganate

for analysis (max. 0.000005% Hg) EMSURE® ACS

Synonym: Permanganic acid potassium salt, Potassium permanganate

  • CAS Number 7722-64-7

  • Empirical Formula (Hill Notation) KMnO4

  • Molecular Weight 158.03

  •  MDL number MFCD00011364

  •  EC Index Number 231-760-3

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Properties

Quality Level   300
grade   ACS reagent
vapor pressure   <0.01 hPa ( 20 °C)
assay   ≥99.0% (manganometric)
form   solid
potency   750 mg/kg LD50, oral (Rat)
pH   7-9 (20 °C, 20 g/L in H2O)
mp   >240 °C (decomposition)
solubility   64 g/L
density   2.70 g/cm3 at 20 °C
bulk density   1300‑1600 kg/m3
anion traces   chloride, chlorate (as Cl-): ≤0.005%
  sulfate (SO42-): ≤0.01%
cation traces   Cu: ≤ 0.001%
  Fe: ≤ 0.002%
  Hg: ≤ 0.000005%
  N: ≤ 0.003%
  Pb: ≤ 0.002%
storage conditions   Store at +5°C to +30°C.

Description

Analysis Note

Assay (manganometric): ≥ 99.0 %
Insoluble matter: ≤ 0.1 %
Chloride, Chlorate (as Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.01 %
Total nitrogen (N): ≤ 0.003 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.002 %
Hg (Mercury): ≤ 0.000005 %
Pb (Lead): ≤ 0.002 %

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