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Ingredient

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Identification

CAS Number 915-67-3

EINECS / EC 213-022-2

CosIng Ref 31626

Chemical Name trisodium;3-hydroxy-4-[(4-sulfonatonaphthalen-1-yl)diazenyl]naphthalene-2,7-disulfonate

IUPAC Name —

Formula C20H11N2Na3O10S3

Mol. Weight 604.5 g/mol

InChIKey WLDHEUZGFKACJH-UHFFFAOYSA-K

Function & Classification

Primary Function Colorant

Origin Synthetic

EU Regulatory Status

🇪🇺

✓ Allowed — EU Reg. 1223/2009 II/1350 (Acid Red 27; CI 16185: when used as a substance in hair dye products)

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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External Resources