AdditivesE922 - Potassium persulfate
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E922 - Potassium persulfate
Open Food Facts additive identifier: en:e922
Vegan
Yes
Vegetarian
Yes
Risk Level
Unknown
Description
Not to be confused with potassium peroxymonosulfate.Potassium persulfate is the inorganic compound with the formula K2S2O8. Also known as potassium peroxydisulfate or KPS, it is a white solid that is sparingly soluble in cold water, but dissolves better in warm water. This salt is a powerful oxidant, commonly used to initiate polymerizations.