6-Chloro-2-(6-chloro-4-methyl-3-oxobenzo[b]thien-2(3H)-ylidene)-4-methylbenzo[b]thiophene-3(2H)-one (VAT Red 1; CI 73360) when used as a substance in hair dye products
⚠ EU RestrictedIdentification
CAS Number 2379-74-0
EINECS / EC 219-163-6
CosIng Ref 87701
Chemical Name (2E)-6-chloro-2-(6-chloro-4-methyl-3-oxo-1-benzothiophen-2-ylidene)-4-methyl-1-benzothiophen-3-one
IUPAC Name —
Formula C18H10Cl2O2S2
Mol. Weight 393.3 g/mol
InChIKey NDDLLTAIKYHPOD-ISLYRVAYSA-N
Function & Classification
EU Regulatory Status
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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