Is Acid Red 163 vegetarian?
Acid Red 163
CI 24790 is a synthetic disazo colourant used in cosmetics, corresponding to disodium 4,6-dihydroxy-3-[[4-[1-[4-[[1-hydroxy-7-[(phenylsulphonyl)oxy]-3-sulphonato-2-naphthyl]azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-2-sulphonate.
| Also known as | Disodium 4,6-dihydroxy-3-[[4-[1-[4-[[1-hydroxy-7-[(phenylsulphonyl)oxy]-3-sulphonato-2-naphthyl]azo]phenyl]cyclohexyl]phenyl]azo]naphthalene-2-sulphonate |
|---|---|
| INCI name | Acid Red 163 |
| CAS number | 13421-53-9 |
| EC number | 236-531-1 |
| CI number | CI 24790 |
| CosIng ID | 32743 |
| Last reviewed | 14 July 2026 |
An ingredient is considered vegetarian if it avoids components derived from killing an animal.
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