Is FD&C Blue 1 vegan?

FD&C Blue 1

Vegan

FD&C Blue 1, also known as Brilliant Blue FCF, is a synthetic triarylmethane dye certified by the FDA for use in food, drugs, and cosmetics. It is produced from coal tar or petroleum derivatives and imparts a bright blue colour.

Also known as Acid blue 9, Blue 1, Brilliant Blue FCF, CI Food Blue 2, CI42090, CIFood Blue 2, Erioglaucine, FD&C Blue No. 1, Food blue 2, Patent Blue
E number E133
CAS number 3844-45-9
EC number 223-339-8
CI number CI 42090
Last reviewed 16 April 2026

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.