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Is Quinizarin vegan?

Quinizarin (1,4-dihydroxyanthraquinone) is an organic compound derived from anthraquinone, appearing as an orange or red-brown crystalline powder. It occurs in small amounts in the root of the madder plant (Rubia tinctorum) and can also be produced synthetically. It is used as a dye intermediate and analytical reagent.

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.