1.05082

Supelco

Potassium permanganate

for analysis EMSURE® ACS,Reag. Ph Eur

Synonym(s):
Permanganic acid potassium salt, Potassium permanganate
Empirical Formula (Hill Notation):
KMnO4
CAS Number:
Molecular Weight:
158.03
MDL number:
EC Index Number:
231-760-3

storage conditions

Store at +5°C to +30°C.

Quality Level

grade

ACS reagent

Agency/Method

reag. Ph. Eur.

vapor pressure

<0.01 hPa ( 20 °C)

assay

99.0-100.5% (manganometric)

form

solid

potency

750 mg/kg LD50, oral (Rat)

pH

7-9 (20 °C, 20 g/L in H2O)

mp

>240 °C (decomposition)

density

2.70 g/cm3 at 20 °C

bulk density

1300‑1600 kg/m3

anion traces

chloride (Cl-): ≤0.02%
chloride, chlorate (as Cl-): ≤0.005%
sulfate (SO42-): ≤0.01%

cation traces

Cu: ≤ 0.001%
Fe: ≤ 0.002%
N: ≤ 0.003%
Pb: ≤ 0.002%

storage temp.

2-30°C

Related Categories

Analysis Note

Assay (manganometric): 99.0 - 100.5 %
Identity: passes test
Appearance of solution: passes test
In water insoluble matter: ≤ 0.2 %
Chloride (Cl): ≤ 0.02 %
Chloride, Chlorate (as Cl): ≤ 0.005 %
Sulfate (SO₄): ≤ 0.01 %
Total nitrogen (N): ≤ 0.003 %
Cu (Copper): ≤ 0.001 %
Fe (Iron): ≤ 0.002 %
Pb (Lead): ≤ 0.002 %

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