CheckVegan

Is 2-Undecenal vegetarian?

2-Undecenal

Vegetarian Vegetarian
Vegan Vegan

2-Undecenal is a synthetic or naturally-occurring aldehyde with a fatty, citrus-like odor, used as a flavoring and fragrance ingredient.

Also known as 258-559-3, 53448-07-0, Undec-2-enal
INCI name 2-Undecenal
CAS number 2463-77-6
EC number 219-564-6
CosIng ID 41265
Last reviewed 9 July 2026

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

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