(8-[(4-Amino-2-nitrophenyl)azo]-7-hydroxy-2-naphthyl)trimethylammonium and its salts, (except Basic Red 118 as impurity in Basic brown 17), when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 71134-97-9
EINECS / EC 275-216-3
CosIng Ref 31136
Chemical Name [8-[(4-amino-2-nitrophenyl)diazenyl]-7-hydroxynaphthalen-2-yl]-trimethylazanium chloride
IUPAC Name —
Formula C19H20ClN5O3
Mol. Weight 401.8 g/mol
InChIKey WIJOZBDYRBXOOW-UHFFFAOYSA-N
Function & Classification
EU Regulatory Status
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Safety Profile
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NOAEL · Dermal Absorption % · Sensitization
Formulation Guidelines
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Usage Level % · Addition Phase · Solubility
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