|Appearance||white crystalline powder|
|Assay||99.0% w/w min|
|Active oxygen||5.85% w/w min|
|Chloride and chlorate(as CL)||0.05% w/w max|
|Manganese (Mn)||0.0003% w/w max|
|Iron(Fe)||0.002% w/w max|
|Heavy metals (as Pb)||0.002% w/w max|
|Moisture||0.15% w/w max|
|Potassium persulfate Chemical Properties|
|Melting point||1067 °C|
|Boiling point||1689 °C|
|vapor density||9.3 (vs air)|
|storage temp.||Store at +5°C to +30°C.|
|solubility||H2O: 0.5 M at 20 °C, clear, colorless|
|PH||3.2 (50g/l, H2O, 20℃)|
|PH Range||2.5 – 4.5|
|Water Solubility||5 g/100 mL (20 ºC)|
|Stability:||Stable. Strong oxidizer. Incompatible with strong reducing agents, organic materials, combustible materials.|
|CAS DataBase Reference||7727-21-1(CAS DataBase Reference)|
|EPA Substance Registry System||Potassium persulfate (7727-21-1)|
|RIDADR||UN 1492 5.1/PG 3|
|HS Code||2833 40 00|
|Hazardous Substances Data||7727-21-1(Hazardous Substances Data)|
|Toxicity||LD50 orally in Rabbit: 802 mg/kg|
Potassium persulfate CAS:7727-21-1
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