Bromothymol Blue
A cosmetic ingredient used as colorant in skincare, haircare, and personal-care products sold in the European Union.
What is it?
Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide
What does it do?
Bromothymol Blue is listed in the EU cosmetic ingredient inventory with the following declared functions:
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Colorant
imparts colour to a cosmetic product
EU regulatory status
Bromothymol Blue is listed in Annex IV of EU Cosmetics Regulation 1223/2009 as a substance permitted for the corresponding category of use.
Frequently asked questions
What is Bromothymol Blue?
Bromothymol Blue is a cosmetic ingredient catalogued in the EU CosIng database. Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide
Is Bromothymol Blue allowed in cosmetics in the EU?
Yes. Bromothymol Blue is allowed for use in cosmetic products in the EU under Regulation 1223/2009.
What does Bromothymol Blue do in cosmetic products?
Bromothymol Blue is declared in the EU cosmetic ingredient inventory with these functions: colorant.
What is the CAS number of Bromothymol Blue?
The CAS (Chemical Abstracts Service) number for Bromothymol Blue is 76-59-5.
Related ingredients
Source: EU CosIng database (European Commission). This page is derived from public-sector information published by the European Commission. · Last updated: 12/08/2020