Allowed in EU

Basic Yellow 40

A cosmetic ingredient used as hair dyeing in skincare, haircare, and personal-care products sold in the European Union.

What is it?

2-[7-(Diethylamino)-2- Oxo-2H-1- Benzopyran –3-yl]-1,3-dimethyl-1H-Benzimidazolium Chloride

What does it do?

Basic Yellow 40 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 Yellow 40 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 Yellow 40?

Basic Yellow 40 is a cosmetic ingredient catalogued in the EU CosIng database. 2-[7-(Diethylamino)-2- Oxo-2H-1- Benzopyran –3-yl]-1,3-dimethyl-1H-Benzimidazolium Chloride

Is Basic Yellow 40 allowed in cosmetics in the EU?

Yes. Basic Yellow 40 is allowed for use in cosmetic products in the EU under Regulation 1223/2009.

What does Basic Yellow 40 do in cosmetic products?

Basic Yellow 40 is declared in the EU cosmetic ingredient inventory with these functions: hair dyeing.

What is the CAS number of Basic Yellow 40?

The CAS (Chemical Abstracts Service) number for Basic Yellow 40 is 29556-33-0.

Related ingredients

Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 15/10/2010