Potassium Persulfate

AKA “7727-21-1, Potassium peroxydisulfate, Anthion, Potassium peroxodisulfate, Potassium peroxydisulphate, Dipotassium peroxydisulfate, Dipotassium persulfate, potassium persulphate, Peroxydisulfuric acid, dipotassium salt”

Ingredient

Ingredient Facts

Potassium persulfate

AKA: 7727-21-1, Potassium peroxydisulfate, Anthion, Potassium peroxodisulfate, Potassium peroxydisulphate, Dipotassium peroxydisulfate, Dipotassium persulfate, Potassium persulphate, Peroxydisulfuric acid, Dipotassium salt

Ingredient · Oxidising · EWG: 6

Synthetic

Not Clean

The CIR Expert Panel concluded that Ammonium, Potassium, and Sodium Persulfate are safe as used as oxidizing agents in hair colorants and hair lighteners designed for brief discontinuous use followed by thorough rinsing from the hair and skin. The Panel also concluded that the available data are insufficient for determining the safety of these persulfates in leave-on products and dentifrices.

Solubility 1.75 G IN 100 CC OF WATER @ 0 °C

Formula

K2O8S2

Mol. Weight

270.33

CAS #

7727-21-1

Form

Powder

State

Potassium persulfate appears as a white crystalline solid. Specific gravity 2.477. Decomposes below 100 °C.

See origin →

Functions

Oxidising

Oxidizing Agent

Antioxidant Protection

Chemical oxidation

Traditional Use

A synthetic oxidizing agent developed in the 19th century for industrial use. Adopted in cosmetics primarily as a bleaching and exfoliating ingredient in hair and nail products.