Is Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzene sulfonate vegan?

Acid Orange 7 is also known as Sodium 4-[(2-hydroxy-1-naphthyl)azo]benzene sulfonate.

Tropaeolin OOO2 (Orange II) is a synthetic azo dye belonging to the acid dye group, used as a pH indicator. It is part of the tropaeolin series of dyes, named after the botanical name Tropaeolum for nasturtiums. It is produced entirely from synthetic precursors.

View full details page for Acid Orange 7

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.