Ingredient
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CI 42051

✓ EU Allowed

Identification

CAS Number 3536-49-0
EINECS / EC 222-573-8
CosIng Ref 32753
Chemical Name Bis[hydrogen[4-[4-(diethylamino)-5'-hydroxy-2',4'-disulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene]diethylammonium],calciumsalt,
Formula C54H62CaN4O14S4
Mol. Weight 1159.4 g/mol

Function & Classification

Primary Function Cosmetic Colorant
Origin Synthetic

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 IV/60 (CI 42051) II/1356 (Acid Blue 3; CI 42051: 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

Suppliers & Documents

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Documents

External Resources

INCIDecoder → EU CosIng →