CI 45425
Official label name (INCI name, EU glossary of cosmetic ingredient names), No 6418
- Prohibited in hair dyes (Annex II)
CI 45425: Prohibited in hair dyes (Annex II, entry 1336), under Regulation (EC) No 1223/2009.
In plain words
What it is used for
Functions declared by manufacturers:
Colorant: colours cosmetics and/or imparts colour to the skin and/or its appendages.
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 CI 45425 to this entry. The cases of prohibition are explained above, in “In plain words”; the official title is given below.
- Entry
- Annex II, No 1336
- Substance
- 3',6'-Dihydroxy-4',5'-diiodospiro(isobenzofuran-1(3H),9'-[9H]xanthene)-3-one; (Solvent Red 73) and its sodium salt (Acid Red 95; CI 45425) when used as a substance in hair dye products
- CAS
- 38577-97-8 -- 33239-19-9
- EC
- 254-010-7 -- 251-419-2
Dates in the act (3)
- Entry into force on 15 May 2013
- Application from 11 July 2013
It shall apply from 11 July 2013.
- Entry into force on 11 July 2013
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
- 32773
- CAS (according to CosIng)
- 33239-19-9
- EC (according to CosIng)
- 251-419-2
- Declared functions
- Colorant
The CAS number cited by CosIng also covers 1 other INCI name: it designates a family of substances, not this ingredient alone.
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
- Allowed colorant: 등색 207 호 (에리트로신 옐로위쉬 NA, Erythrosine Yellowish NA)* CI 45425 (Erythrosine Yellowish NA)
색소 고시 별표 1 (allowed colorants), entry 4, page 1. Conditions (source text, in Korean): 눈 주위 및 입술에 사용할 수 없음 | 비고: 타르색소
Brazil
- Prohibited: 3´6´-dihidroxi-4´,5´-diiodoespirol[isobenzenofurano-1(3H),9´-[9H]xanteno]-3-ona (Solvente Vermelho 73) e seu respectivo sal sódico (Vermelho Ácido 95;CI 45425), quando usado como substância que entra na composição de corantes capilares
RDC 529/2021, Anexo (prohibited substances), entry 1336, page 46. Conditions (source text, in Portuguese): N° UE: 1336
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.