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Is Phthalimidoperoxycaproic Acid vegetarian?

Phthalimidoperoxycaproic Acid

Vegetarian Vegetarian
Vegan Vegan

Phthalimidoperoxycaproic acid (PAP) is a synthetic organic peroxy acid derived from caprolactam and phthalic anhydride, used as a bleaching agent in laundry detergents and as a tooth whitening agent.

Also known as 1,3-Dihydro-1,3-dioxo-2H-isoindole-2-hexaneperoxoic acid, PAP
INCI name Phthalimidoperoxycaproic Acid
CAS number 128275-31-0
EC number 410-850-8
CosIng ID 59303
Last reviewed 9 July 2026

An ingredient is considered vegetarian if it avoids components derived from killing an animal.

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