BASIC BLUE 41
Official label name (INCI name, EU glossary of cosmetic ingredient names), No 3073
- Prohibited in hair dyes (Annex II)
BASIC BLUE 41: Prohibited in hair dyes (Annex II, entry 1261), under Regulation (EC) No 1223/2009.
In plain words
What it is used for
Functions declared by manufacturers:
Hair dyeing: colours hair.
What the rules say
Prohibited as a substance in hair dye products. This entry does not cover other uses, which may fall under another annex.
The text of the annexes
Prohibited in hair dyes
CosIng links the name BASIC BLUE 41 to this entry. The cases of prohibition are explained above, in “In plain words”; the official title is given below.
- Entry
- Annex II, No 1261
- Substance
- Benzothiazolium, 2-[[4-[ethyl(2-hydroxyethyl)amino]phenyl]azo]-6-methoxy-3-methyl- and its salts, when used as a substance in hair dye products
- CAS
- 12270-13-2
- EC
- 235-546-0
Dates in the act (10)
- Entry into force on 11 January 2010
- Application from 1 December 2010
It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
- Entry into force on 1 December 2010
- Condition applicable from 11 January 2012
As from 11 January 2012, by way of derogation from Directive 76/768/EEC, notification carried out in accordance with Article 13 of this Regulation shall be considered to comply with Article 7(3) and Article 7a(4) of that Directive
- Application from 11 January 2013
July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall apply from 11 January 2013.
- Entry into force on 11 January 2013
- Application from 11 July 2013
It shall apply from 11 July 2013, with the exception of: — Article 15(1) and (2) which shall apply from 1 December 2010, as well as Articles 14, 31 and 32 to the extent that they are necessary to apply Article 15(1) and (2); and — Article 16(3) second subparagraph, which shall appl
- Entry into force on 11 July 2013
- Placing on the market before 11 July 2013
Article 39 Transitional provisions By way of derogation from Directive 76/768/EEC, cosmetic products which comply with this Regulation may be placed on the market before 11 July 2013.
- Placing on the market from 11 July 2013
As from 11 July 2013, a distributor who makes available in a Member State a cosmetic product already placed on the market in another Member State and translates, on his own initiative, any element of the labelling of that product in order to comply with national law, shall submit, by electronic means, the following info
Excerpts from the English text published in the Official Journal. A date may concern only some substances of the act: the excerpt says so.
Identity
- CosIng identifier
- 32064
- CAS (according to CosIng)
- 12270-13-2
- EC (according to CosIng)
- 235-546-0
- Declared functions
- Hair dyeing
EU product alerts (Safety Gate)
2 alerts on cosmetic products cite this name in their hazard description. An alert targets a specific product, not the ingredient itself; each alert states the reason (prohibited substance, limit exceeded, missing labelling, and so on).
Elsewhere in the world
Information on other jurisdictions. What is covered, and what is not yet.
United Kingdom (Great Britain)
- Prohibited in hair dyes (Annex II)
Same entries as in the European Union. Conditions (concentrations, warnings) may differ: they are not compared here.
Switzerland
Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).
United States, federal rules
None of the integrated sections of the federal code (21 CFR 700.11 to 700.27 and 250.250) targets this name. The FDA does not publish a list of allowed ingredients.
South Korea
- Prohibited: 2-[[4-[에칠(2-하이드록시에칠)아미노]페닐]아조]-6-메톡시-3-메칠-벤조치아졸리움 및 그 염류 (BASIC BLUE 41)
별표 1 (prohibited substances), entry 608, page 33. Conditions (source text, in Korean): 화학물질명: 2-[[4-[에칠(2-하이드록시에칠)아미노]페닐]아조]-6-메톡시-3-메칠-벤조치아졸리움 (CAS No. 12270-13-2)
China
- Prohibited: 苯并噻唑, 2-（（4-（乙基（2-羟乙基）氨基）苯基）偶氮）-6-甲氧基-3-甲基- 及其盐类 (Benzothiazolium, 2-（（4-（ethyl（2-hydroxyethyl）amino）phenyl）azo）-6-methoxy-3-methyl- （CAS No. 12270-13-2） and its salts)
表1 化妆品禁用原料目录 (prohibited substances, 2021年第74号), entry 342, page 附件2 (.doc) table row 342 ; TID reprint p.15.
Brazil
- Prohibited: 2-[[4-[etil(2-hidroxietil)amino]fenil]azo]-6-metoxi-3-metilbenzotiazólio, e seus sais, quando usado como substância que entra na composição de corantes capilares
RDC 529/2021, Anexo (prohibited substances), entry 1261, page 43. Conditions (source text, in Portuguese): N° UE: 1261
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.