2-[(4-Aminophenyl)azo]-1,3- dimethyl-1H-imidazolium chloride
⚠ EU RestrictedIdentification
CAS Number 97404-02-9
EINECS / EC 306-764-4
CosIng Ref 91097
Chemical Name 4-[(1,3-dimethylimidazol-1-ium-2-yl)diazenyl]aniline chloride
IUPAC Name —
Formula C11H14ClN5
Mol. Weight 251.71 g/mol
InChIKey KEVCVWPVGPWWOI-UHFFFAOYSA-N
Function & Classification
Primary Function HAIR DYEING
EU Regulatory Status
Max Leave-on 0%
Conditions of Use (a) To be printed on the label: The mixing ratio.
“ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy.
Do not colour your hair if:
— you have a rash on your face or sensitive, irritated and damaged scalp,
— you have ever experienced any reaction after colouring your hair,
— you have experienced a reaction to a temporary ‘black henna’ tattoo in the past.”
SCCS Opinion View SCCS opinion →
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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