Ingredient
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CI 21100

✓ EU Allowed

Identification

CAS Number 5102-83-0
EINECS / EC 225-822-9
CosIng Ref 36580
Chemical Name 2,2'-[(3,3'-dichloro[1,1'-biphenyl]-4,4'-diyl)bis(azo)]bis[N-(2,4-dimethylphenyl)-3-oxobutyramide],
Formula C36H34Cl2N6O4
Mol. Weight 685.6 g/mol

Function & Classification

Primary Function Cosmetic Colorant
Origin Synthetic

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 II/1351 (Pigment Yellow 13; CI 21100: 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

INCIDecoder → EU CosIng →