CheckVegan

Is Butyl PABA vegetarian?

Butyl PABA

Vegetarian Vegetarian
Vegan Vegan

Butyl PABA, also known as butyl 4-aminobenzoate, is a synthetic ester of para-aminobenzoic acid historically used as a UV filter and local anesthetic ingredient.

Also known as Butamben, Butamben [USAN], Butyl 4-aminobenzoate, Butyl p-aminobenzoate, Butyl PABA
INCI name Butyl PABA
CAS number 94-25-7
EC number 202-317-1
CosIng ID 84499
Last reviewed 9 July 2026

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

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