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Ingredient

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Identification

CAS Number 129-17-9

EINECS / EC 204-934-1

CosIng Ref 31609

Chemical Name sodium 4-[[4-(diethylamino)phenyl]-(4-diethylazaniumylidenecyclohexa-2,5-dien-1-ylidene)methyl]benzene-1,3-disulfonate

IUPAC Name —

Formula C27H31N2NaO6S2

Mol. Weight 566.7 g/mol

InChIKey SJEYSFABYSGQBG-UHFFFAOYSA-M

Function & Classification

Primary Function Colorant

EU Regulatory Status

🇪🇺

✓ Allowed — EU Reg. 1223/2009 II/1355 (Acid Blue 1; CI 42045: 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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