Ingredient

1-(4-(Phenylazo)phenylazo)-2-naphthol

⚠ EU Restricted

Identification

CAS Number 85-86-9
EINECS / EC 201-638-4
CosIng Ref 31009
Chemical Name 1-[(4-phenyldiazenylphenyl)diazenyl]naphthalen-2-ol
IUPAC Name
Formula C22H16N4O
Mol. Weight 352.4 g/mol
InChIKey FHNINJWBTRXEBC-UHFFFAOYSA-N

Function & Classification

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 IV
Conditions of Use Purity criteria: anilin<=0.2% 2-naphthol <= 0.2% 4-aminoazobenzene <-0.1% 1-(phenylazo)-2-naphthol<=3% 1-[2-(phenylazo)phenylazo]-2-naphthalenol<=2%

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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Documents

External Resources