Description
Catalogue Number  
Synonyms Permanganic acid potassium salt
Product Information
CAS number 7722-64-7
EC index number 025-002-00-9
EC number 231-760-3
Grade ACS,Reag. Ph Eur
Hill Formula KMnO₄
Molar Mass 158.03 g/mol
HS Code 2841 61 00
Quality Level MQ300
Physicochemical Information
Density 2.70 g/cm3 (20 °C)
Melting Point >240 °C (decomposition)
pH value 7 - 9 (20 g/l, H₂O, 20 °C)
Vapor pressure <0.01 hPa (20 °C)
Bulk density 1300 - 1600 kg/m3
Solubility 64 g/l
Toxicological Information
LD 50 oral LD50 Rat 750 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s) H272: May intensify fire; oxidizer.
H302: Harmful if swallowed.
H314: Causes severe skin burns and eye damage.
H361d: Suspected of damaging the unborn child.
H373: May cause damage to organs through prolonged or repeated exposure if inhaled.
H410: Very toxic to aquatic life with long lasting effects.
Precautionary Statement(s) P221: Take any precaution to avoid mixing with combustibles, heavy-metal compounds, acids and alkalis.
P273: Avoid release to the environment.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P330 + P331: IF SWALLOWED: Rinse mouth. Do NOT induce vomiting.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P310: IF exposed or concerned: immediately call a POISON CENTER or doctor/ physician.
Signal Word Danger
Storage class 5.1B Oxidizing hazardous materials
WGK WGK 3 highly hazardous to water
Disposal 22
Inorganic peroxides and oxidants as well as bromine and iodine should be rendered harmless by reduction with acidic sodium thiosulfate solution (Cat. No. 106513); container D or E. Slightly soluble oxidants should be collected separately in container E or I.
Safety Information
Hazard Symbols Hazard SymbolsOxidising
Hazard SymbolsCorrosive
Hazard SymbolsDangerous for the environment
Categories of danger oxidizing, harmful, dangerous for the environment
R Phrase R 8-22-34-50/53
Contact with combustible material may cause fire.Harmful if swallowed.Causes burns.Very toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
S Phrase S 26-36/37/39-45-60-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.Wear suitable protective clothing, gloves and eye/face protection.In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible).This material and its container must be disposed of as hazardous waste.Avoid release to the environment. Refer to special instructions/ Safety data sheets.
Storage and Shipping Information
Storage Store at +5°C to +30°C.
Transport Information
Declaration (railroad and road) ADR, RID  
Declaration (transport by air) IATA-DGR  
Declaration (transport by sea) IMDG-Code  
Specifications
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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