CheckVegan

Is Phenylethylidene-bis-Indole vegan?

Phenylethylidene-bis-Indole

Vegan Vegan
Vegetarian Vegetarian

A synthetic indole derivative used as a fragrance fixative, chemically the bis-indole condensation product of phenylacetaldehyde.

Also known as 1,1'-(2-Phenylethylidene)bis(1H-indole)
INCI name Phenylethylidene-bis-Indole
CAS number 67801-37-0
EC number 267-157-7
CosIng ID 40634
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