Basic Yellow 57

Characteristics

INCI

Basic Yellow 57

CAS

68391-31-1 i

This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.

EC

269-943-5 i

This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.

IUPAC

3-[(4,5-Dihydro-3-Methyl-5-Oxo-1-Phenyl-1H-Pyrazol-4-Yl)Azo]-N,N,N-Trimethylanilinium Chloride (Ci 12719)

Functions

hair dyeing

EU Restr.

Annex III/262 i

EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.

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