CheckVegan

Is Aminopropyl Triethoxysilane vegan?

Aminopropyl Triethoxysilane

Vegan Vegan
Vegetarian Vegetarian

Aminopropyl Triethoxysilane, also known as APTES, is a synthetic aminosilane used for surface functionalization and as a coupling agent in cosmetic and industrial formulations.

Also known as 1-Propanamine, 3-(Triethoxysilyl)-, APTES
INCI name Aminopropyl Triethoxysilane
CAS number 919-30-2
EC number 213-048-4
CosIng ID 83894
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