BASIC RED 51
Official label name (INCI name, EU glossary of cosmetic ingredient names), No 3095
- Allowed with restrictions (Annex III)
BASIC RED 51: Allowed with restrictions, with limits depending on the product type (Annex III, entry 269), 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
Allowed, with restrictions: Annex III sets a maximum concentration, the product types allowed and a warning to be printed on the packaging. Ingredient lists do not give quantities, so the concentration cannot be checked on the label; the warning can.
The text of the annexes
Allowed with restrictions
| Product type | Maximum concentration | Other conditions | Warning to print |
|---|---|---|---|
| (a) Hair dye substance in oxidative hair dye products | not set | After mixing under oxidative conditions the maximum concentration applied to hair must not exceed 0,5 % | To be printed on the label: The mixing ratio. “ Hair colorants can cause severe allergic reactions. Read and follow instructions. This product is not intended for use on persons under the age of 16. Temporary ‘black henna’ tattoos may increase your risk of allergy. Do not colour your hair if: — you have a rash on your face or sensitive, irritated and damaged scalp, — you have ever experienced any reaction after colouring your hair, — you have experienced a reaction to a temporary ‘black henna’ tattoo in the past.” |
| (b) Hair dye substance in non-oxidatie hair dye products | 1,0 % | not set | not set |
- Entry
- Annex III, No 269
- Substance
- 2-[[4-(Dimethylamino)phenyl]azo]-1,3- dimethyl-1H-imidazolium chloride
- Glossary names
- BASIC RED 51
- CAS
- 77061-58-6
- EC
- 278-601-4
Dates in the act (5)
- Application from 11 July 2013
It shall apply from 11 July 2013.
- Entry into force on 11 July 2013
- Entry into force on 27 November 2013
- Application from 1 July 2014
However, the following provisions in the Annex shall apply from 1 July 2014: (a) the provisions in column ‘i’ of point 1 and of points 3 to 9 relating to the use of the substances in products intended for colouring eyelashes; (b) points 2 and 10.
- Entry into force on 1 July 2014
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
- 54821
- CAS (according to CosIng)
- 77061-58-6
- EC (according to CosIng)
- 278-601-4
- Declared functions
- Hair dyeing
- Wikidata
- Q27273724
- PubChem
- 166491
- ECHA InfoCard
- 100.071.435
- InChIKey
- NZDXSXLYLMHYJA-UHFFFAOYSA-M
Elsewhere in the world
Information on other jurisdictions. What is covered, and what is not yet.
United Kingdom (Great Britain)
- Allowed with restrictions (Annex III)
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
- Allowed colorant: 염기성적색 51 호 (Basic Red 51) (Basic Red 51)
색소 고시 별표 1 (allowed colorants), entry 109, page 6. Limit: 1%.
Conditions, source text, in Korean
염모용 화장품에만 사용 | ◎ 사용한도 1% | 비고: 타르색소
- Restricted: 염기성적색51호 (Basic Red 51)
별표 2, 염모제 성분 (hair colorants), entry 37, page 20. Limit: 산화염모제에 0.5 %.
Conditions, source text, in Korean
비고: 그외 사용기준은 「화장품의 색소종류와 기준 및 시험방법」에 따름
Recorded cosmetics that contain it
5 recorded products list it, according to Open Beauty Facts contributors. Records are dated: the formula may have changed. See the list (page in French).
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.