Potassium persulfate
dipotassium;sulfonatooxy sulfate | Peroxydisulfuric acid (((HO)S(O)2)2O2) , dipotassium salt | FT-0689072 | Potassium peroxydisulfate | Potassium persulfate, Trace metals grade 99.99% | AKOS015950646 | DIPOTASSIUM PEROXYDISULPHATE | Anthion | Dipotassium
CAS7727-21-1
Molecular formulaK2S2O8
Molar mass270.32 g/mol g/mol
Hazardous
Physical Description | Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.
Scientific Grain Officer - Dictionary Editorial Department, revised at:2026-10-19
Toxicity
ToxicityICSC Environmental Data
The substance is harmful to aquatic organisms.
Symptoms
Ingestion Exposure: Nausea. Vomiting. Abdominal pain. Diarrhoea.
Toxicity Data
LC50 (rat) > 10,725 mg/m3/4h
Adverse Effects
Asthma - Reversible bronchoconstriction (narrowing of bronchioles) initiated by the inhalation of irritating or allergenic agents.
Exposure Routes
The substance can be absorbed into the body by inhalation of its aerosol and by ingestion.
Toxicity Summary
Cosmetic Ingredient Review Finding(s): The available data are insufficient to support safety
