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Is Vat Yellow 1 vegan?

Vat Yellow 1, also known as flavanthrone, is a synthetic yellow vat dye used in cloth dyeing. It is identified by the Colour Index number CI 70600.

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.