Basic Yellow 57
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
3-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride (CI 12719)
What does it do?
Basic Yellow 57 is listed in the EU cosmetic ingredient inventory with the following declared functions:
-
Hair dyeing
colours hair, either by depositing pigment on the surface or by chemically altering the hair's natural pigment
EU regulatory status
This ingredient is restricted in the European Union.
Basic Yellow 57 is listed under Annex III of EU Cosmetics Regulation 1223/2009 (entry 262). It is permitted only under specific conditions, concentration limits, or in particular product types.
Notes: Annex
Frequently asked questions
What is Basic Yellow 57?
Basic Yellow 57 is a cosmetic ingredient catalogued in the EU CosIng database. 3-[(4,5-Dihydro-3-methyl-5-oxo-1-phenyl-1H-pyrazol-4-yl)azo]-N,N,N-trimethylanilinium chloride (CI 12719)
Is Basic Yellow 57 allowed in cosmetics in the EU?
Only with restrictions. Basic Yellow 57 is permitted in EU cosmetics only under specific conditions defined in Annex III of Regulation 1223/2009.
What does Basic Yellow 57 do in cosmetic products?
Basic Yellow 57 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Basic Yellow 57?
The CAS (Chemical Abstracts Service) number for Basic Yellow 57 is 68391-31-1.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 06/06/2019