Ingredient

Disodium 3-[(2,4-dimethyl-5- sulphonatophenyl)azo]-4- hydroxynaphthalene-1- sulphonate

⚠ EU Restricted

Identification

CAS Number 4548-53-2
EINECS / EC 224-909-9
CosIng Ref 87668
Chemical Name disodium;3-[(2,4-dimethyl-5-sulfonatophenyl)diazenyl]-4-hydroxynaphthalene-1-sulfonate
IUPAC Name
Formula C18H14N2Na2O7S2
Mol. Weight 480.4 g/mol
SMILES CC1=CC(=C(C=C1N=NC2=C(C3=CC=CC=C3C(=C2)S(=O)(=O)[O-])O)S(=O)(=O)[O-])C.[Na+].[Na+]
InChIKey ONTQJDKFANPPKK-UHFFFAOYSA-L

Function & Classification

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 IV

Safety Profile

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Usage level, pH range, solubility and addition phase not yet available.

Usage Level % · Addition Phase · Solubility

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