CheckVegan

Is Undecanal vegan?

Undecanal

Vegan Vegan
Vegetarian Vegetarian

Undecanal, also known as undecyl aldehyde, is an eleven-carbon aldehyde that occurs naturally in citrus oils but is produced commercially by hydroformylation of decene. It is a colorless oily liquid used as a fragrance component.

Also known as Undecyl Aldehyde
INCI name Undecanal
CAS number 112-44-7
EC number 203-972-6
CosIng ID 41263
Last reviewed 9 July 2026

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

Classifications are made to the best of our knowledge based on available scientific and regulatory sources. We cannot guarantee the accuracy of every entry, errors in the sources we draw from can always occur. This tool also cannot account for cross-contamination, which depends entirely on individual suppliers and producers. If you believe a classification is incorrect, you can report an issue.

Report an issue