Regulatory data is for reference only. Always verify with the official regulator before making formulation decisions. Last refreshed: 7/12/2026.

Ingredients/4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt

4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium saltCAS 1064-48-8

EU CosIng Annex III — restrictedEU CosIng Annex IV — colorant

Regulatory status

SourceStatusAnnex / DetailsLimit / ConditionsLast updated
EU CosIngrestrictedAnnex III0,5 %—
EU CosIngcolorantAnnex IVRinse-off products—

What this means

4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt has regulatory signals in EU CosIng and EU CosIng. Review the source links above for the official conditions and latest updates.

Common questions

Is 4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt restricted in EU cosmetics?
4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt is restricted in EU cosmetics under Annex III with a maximum concentration of 0,5 %.
What is the CAS number for 4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt?
The CAS number for 4-Amino-5-hydroxy-3-(4-nitrophenylazo)-6- (phenylazo)-2,7- naphthalenedisulfonic acid, disodium salt is 1064-48-8.

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