Is Remazol Brilliant Blue R vegan?

Remazol Brilliant Blue R

Vegan

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

Sources

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