Chinese Name:

Potassium permanganate;

Potassium permanganate

Molecular formula:

KMnO4

Molecular weight:

158.03

CAS accession No.:

7722-64-7

:
EINECS accession No.:

231-760-3

InChI:

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

Physical and Chemical Properties

Melting point:

240oC

Water-solubility:

6.4G/100ML(20oC)

Density:

2.703

Property description:

Relevant properties of potassium permanganate (7722-64-7):
  
1. Relative density 2.703.
   
2. Melting point 240℃ (oxygen is released at the same time).

3. Dark purple crystals or powders with metallic luster; sweet and astringent
   
4. Soluble in water, acetone, methanol and glacial acetic acid.
  
5. The aqueous solution is dark purple, and the solubility is (20℃)6.51g.
   
6. It has strong oxidizability, is degradable in ethanol, and will explode and burn if it rubs or collides with organic substances.
   
7. Oral lethal dose of dog LD500.4g/kg, Oral lethal dose of rabbit LD500.6g/kg.


Specification GB/T 643-1988
                                   

Analytically pure           Chemically pure
   Content (KMnO4)/%≥           99.5          99.0

   Water insoluble /%≤              0.2           0.3

    Chloride (Cl)/%≤           0.002         0.005

  Total nitrogen (N)/%≤          0.005         0.01

    Sulfate (S04)/%≤           0.005         0.02

    Fe /%≤                0.002

   As /%≤                0.00005

   Heavy metal (Pb) /%≤        0.003

Safety Information

Safety Description:

S60: Residues and containers of the substance must be disposed as dangerous wastes.

S61: They cannot be discharged to the environment. Refer to special description/safety data sheet.

Mark of hazardous

substances:

O: Oxidizing substances

N: Environmentally hazardous substances

Xn: Hazardous substances

Number of Hazard Class:

R8: It will catch in fire when contact with inflammables

R22: Harmful if swallowed.

R50/53: It is extremely poisonous to aquatic organisms, and may lead to long-term bad effects on aquatic environment.

Transportation number of hazardous substance:

UN1490/1482