Ingredient

PIGMENT RED 172 ALUMINUM LAKE

⚠ EU Restricted

Identification

CAS Number 12227-78-0
EINECS / EC 235-440-4
CosIng Ref 36567
Chemical Name 2-(3,6-Dihydroxy-2,4,5,7-tetraiodoxanthen-9-yl)benzoic acid, aluminium salt (CI 45430)
IUPAC Name
Formula C20H8AlI4O5
Mol. Weight 862.9 g/mol
SMILES C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I.[Al]
InChIKey OHIANNHOPJYTOK-UHFFFAOYSA-N

Function & Classification

Primary Function COLORANT
Secondary Functions HAIR DYEING

EU Regulatory Status

🇪🇺
⚠ Restricted — EU Reg. 1223/2009 II/1337 (when used as a substance in hair dye products)

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