Watch-out database → Detailed ingredient information:

Tetrabromophenol Blue

CAS Nr.

4430-25-5

Restricted as per EC regulation 1223/2009?

Yes

Entries

III/317

Other observations

Date of update Deadline Content of update Reference Source Obelis articles
12/11/2020 03/06/2021 - 03/12/2021 Permitted as (a) hair dye substance in oxidative hair dye products: after mixing under oxi­dative conditions the maximum concentration applied to hair must not exceed 2% (calculated as free base) + specific label requirements; (b) hair dye sub­stance in non-oxidative hair dye products up to a maximum concentration of 0.2%. Commission Regulation (EU) 2020/1683 EC Warning label requirements for certain Hair and Eyelash Dyes / Lyrial, Atranol and Chloroatranol totally prohibited in the EU