Is CI 21108 vegan?
CI 21108
Vegan
Vegan
Vegetarian
Vegetarian
CI 21108 is a synthetic disazo colourant, chemically a bis-azo compound derived from dichlorobiphenyl diazonium coupled with chloro-dimethoxyphenyl acetoacetamide derivatives, used as a colour additive.
| Also known as | 2,2'-[(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(4-chloro-2,5-dimethoxyphenyl)-3-oxobutyramide], Pigment Yellow 83 |
|---|---|
| INCI name | CI 21108 |
| CAS number | 5567-15-7 |
| EC number | 226-939-8 |
| CI number | CI 21108 |
| CosIng ID | 32741 |
| 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.