Is Acid Red 51 vegan?
Acid Red 51
Vegan
Vegan
Vegetarian
Vegetarian
Erythrosine is a synthetic xanthene dye (Red 3) used as a food and cosmetic colourant. It is the disodium salt of 2',4',5',7'-tetraiodofluorescein, imparting a cherry-pink colour.
| Also known as | 12227-78-0, 2-(3,6-Dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CI 45430), 2',4',5',7'-Tetraiodofluorescein, 2',4',5',7'-Tetrajodfluorescein, 235-440-4, Acid Red 51, Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate, Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate (CI 45430), Disodium 2-(2,4,5,7-tetraiodo-6-oxido-3-oxoxanthen-9-yl)benzoate and its insoluble barium, strontium and zirconium lakes, salts and pigments, Erythrosin B, erythrosine, Erythrosine B, FD&C Red No. 3, Food Red 14, Iodeosin, Pigment Red 172, PIGMENT RED 172 ALUMINUM LAKE, Red 3, Red Dye No. 3, red no. 3 |
|---|---|
| INCI name | Acid Red 51 |
| E number | E127 |
| INS number | 127 |
| CAS number | 16423-68-0 |
| EC number | 240-474-8 |
| CI number | CI 45430 |
| CosIng ID | 32774 |
| Last reviewed | 22 April 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.
