Is Acid Blue 9 Aluminum Lake vegan?
Acid Blue 9 Aluminum Lake
Vegan
Vegan
Vegetarian
Vegetarian
Acid Blue 9 Aluminum Lake is a triphenylmethane colorant formed as the aluminium salt lake of the synthetic dye Acid Blue 9 (also known as Brilliant Blue FCF), used as a pigment in cosmetics.
| Also known as | Brilliant Blue FCF Aluminum Lake, N-Ethyl-N-[4-[[4-[ethyl(3-sulfophenyl)methylamino]phenyl](2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt, aluminium salt, N-Ethyl-N-[4-[[4-[ethyl(3-sulfophenyl)methylamino]phenyl](2-sulfophenyl)methylene)-2,5-cyclohexadien-1-ylidene]-3-sulfobenzenemethanaminium inner salt, aluminium salt (CI 42090:2) |
|---|---|
| INCI name | Acid Blue 9 Aluminum Lake |
| CAS number | 10043-01-3 |
| EC number | 272-939-6 |
| CI number | CI 42090:2 |
| CosIng ID | 54157 |
| Last reviewed | 9 July 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.
