DIRECT RED 23
⚠ EU RestrictedIdentification
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
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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