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Is Phthalic Anhydride vegan?

Phthalic Anhydride

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Vegetarian Vegetarian

Phthalic Anhydride is a synthetic organic compound, the anhydride of phthalic acid, widely used industrially in the production of plasticizers and resins.

Also known as 1,3-Isobenzofurandione
INCI name Phthalic Anhydride
CAS number 85-44-9
EC number 201-607-5
CosIng ID 95928
Last reviewed 9 July 2026

An ingredient is considered vegan if it contains no animal-derived components at any point in its production.

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