CheckVegan

Is Reactive Blue 19 vegan?

Reactive Blue 19

Vegan Vegan
Vegetarian Vegetarian

Remazol Brilliant Blue R (RBBR) is a synthetic anthraquinone reactive dye used extensively in the textile industry. It is resistant to rapid degradation in wastewater; however, research has shown that certain microorganisms can biologically degrade it.

Also known as Reactive Blue 19
CAS number 2580-78-1
CI number CI 61200
Last reviewed 3 June 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