← Home

Is Acid Red 88 vegan?

Acid Red 88

Vegan

Acid Red 88 (CI 15620) is a synthetic azo dye used to dye cotton textiles red. Due to its intense colour, solid samples appear almost black. It is closely related to Acid Red 13.

Also known as Fast Red A
CAS number 1658-56-6
CI number CI 15620
Last reviewed 3 June 2026

Sources

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.