Basic Red 51
A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.
What is it?
2-[[4-(Dimethylamino)phenyl]azo]-1,3-dimethyl-1H-imidazolium chloride
What does it do?
Basic Red 51 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
Basic Red 51 is allowed for use in cosmetic products in the European Union under Regulation 1223/2009. It is not subject to a specific Annex restriction at the time of writing.
Frequently asked questions
What is Basic Red 51?
Basic Red 51 is a cosmetic ingredient catalogued in the EU CosIng database. 2-[[4-(Dimethylamino)phenyl]azo]-1,3-dimethyl-1H-imidazolium chloride
Is Basic Red 51 allowed in cosmetics in the EU?
Yes. Basic Red 51 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Basic Red 51 do in cosmetic products?
Basic Red 51 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.
What is the CAS number of Basic Red 51?
The CAS (Chemical Abstracts Service) number for Basic Red 51 is 77061-58-6.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 17/11/2016