CheckVegan

Is Chlorfenson vegan?

Chlorfenson

Vegan Vegan
Vegetarian Vegetarian

Chlorfenson, also known as ovex, is a synthetic organochlorine compound historically used as a miticide/acaricide in agriculture. It is not related to estrone despite the incorrect description text provided.

Also known as Benzenesulfonic Acid, 4-Chloro-, 4-Chlorophenyl Ester, chlorfenson, Ovex
INCI name Chlorfenson
CAS number 80-33-1
EC number 201-270-4
CosIng ID 85690
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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