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Is Olsalazine Disodium vegan?

Olsalazine Disodium

Vegan

Olsalazine disodium is a synthetic azo dye compound also used as an anti-inflammatory drug for the treatment of ulcerative colitis. It carries the Colour Index designation CI 14130 and is also known as Mordant Yellow 5 in dye applications.

Also known as Mordant Yellow 5
CAS number 15722-48-2
CI number CI 14130
Last reviewed 3 June 2026

Sources

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