Ingredient

DIRECT RED 23

⚠ EU Restricted

Identification

CAS Number 3441-14-3
EINECS / EC 222-348-4
CosIng Ref 33566
Chemical Name disodium;7-[[6-[(4-acetamidophenyl)diazenyl]-5-hydroxy-7-sulfonatonaphthalen-2-yl]carbamoylamino]-4-hydroxy-3-phenyldiazenylnaphthalene-2-sulfonate
IUPAC Name
Formula C35H25N7Na2O10S2
Mol. Weight 813.7 g/mol
InChIKey NLMHXPDMNXMQBY-UHFFFAOYSA-L

Function & Classification

Primary Function HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II/1269

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

Suppliers & Documents

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Documents

External Resources