Is Acid Green 3 vegan?
Acid Green 3
Vegan
Vegan
Vegetarian
Vegetarian
Guinea Green B is a synthetic triarylmethane acid dye used to colour textiles and foods (formerly as Food Green 1). It is entirely synthetic in origin.
| Also known as | Acid Green 3, Food Green 1, Guinea Green |
|---|---|
| CAS number | 4680-78-8 |
| CI number | CI 42085 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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.