Ingredient

CI 42090

✓ EU Allowed

Identification

CAS Number 3844-45-9
EINECS / EC 223-339-8
CosIng Ref 32756
Chemical Name Dihydrogen(ethyl)[4-[4-[ethyl(3-sulphonatobenzyl)]amino]-2'-sulphonatobenzhydrylidene]cyclohexa-2,5-dien-1-ylidene](3-sulphonatobenzyl)ammonium,disodiumsaltandotherpermittedlakesandsalts,
Formula C37H34N2Na2O9S3
Mol. Weight 792.9 g/mol

Function & Classification

Primary Function Colorant
Secondary Functions HAIR DYEING
Origin Synthetic
Category Colorants & Pigments

EU Regulatory Status

🇪🇺
✓ Allowed — EU Reg. 1223/2009 IV/63 (CI 42090) III/190 (Acid Blue 9; Acid Blue 9 Ammonium Salt; Acid Blue 9 Aluminum Lake)

Safety Profile

Skin Type Compatibility
🍄 Fungal Acne Safe ✓ Safe

No toxicology data available yet for this ingredient.

Check SCCS opinions or CIR reports for published safety assessments.

NOAEL · Dermal Absorption % · Sensitization

Formulation Guidelines

Benefits Blue color; water-soluble

Suppliers & Documents

No verified suppliers listed for this ingredient yet.

Are you a supplier of CI 42090? Register as a supplier to add your listing and upload TDS & SDS documents.

Documents

External Resources