4,4'-[(4-Methyl-1,3-phenylene)bis(azo)]bis[6-methyl-1,3-benzenediamine] (Basic Brown 4) and its salts, when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 4482-25-1
EINECS / EC 224-764-1
CosIng Ref 31141
Chemical Name 4-[[3-[(2,4-diamino-5-methylphenyl)diazenyl]-4-methylphenyl]diazenyl]-6-methylbenzene-1,3-diamine
IUPAC Name —
Formula C21H24N8
Mol. Weight 388.5 g/mol
InChIKey SOJKLCSQJMPLCK-UHFFFAOYSA-N
Function & Classification
EU Regulatory Status
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Safety Profile
No toxicology data available yet for this ingredient.
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NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
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Usage Level % · Addition Phase · Solubility
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