← Back

Is Sudan III vegan?

Sudan III is a lysochrome diazo dye structurally related to azobenzene. It is a synthetic fat-soluble dye commonly used in histology for staining lipids and in laboratory diagnostics. It is produced entirely from synthetic precursors.

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.