Is Acid Black 1 vegan?
Acid Black 1
Amido Black 10B (CI 20470) is a synthetic azo dye used in biochemical research to stain total protein on transferred membrane blots such as western blots, and in forensic investigations to detect blood proteins associated with latent fingerprints, staining them blue-black. It can be used in methanol- or water-based solutions and can also stain collagen and reticulin in combination with picric acid.
| Also known as | 4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt, Acid Black 1, Amidoschwarz, Naphthol Blue Black, Sodium 4-amino-5-hydroxy-3-[(4-nitrophenyl)azo]-6-(phenylazo)naphthalene-2,7-disulphonate |
|---|---|
| INCI name | Acid Black 1 |
| CAS number | 1064-48-8 |
| EC number | 213-903-1 |
| CI number | CI 20470 |
| CosIng ID | 105081 |
| Last reviewed | 3 June 2026 |
An ingredient is considered vegan if it contains no animal-derived components at any point in its production.
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