CI 77346 (cobalt blue)
Official label name (INCIInternational name of cosmetic ingredients: the one printed on the pack. name, EU glossary of cosmetic ingredient names), No 6470
- Colorant allowed under conditions (Annex IV)
CI 77346 (cobalt blue): Colorant allowed under conditions (Annex IV, entry 131), under Regulation (EC) No 1223/2009. Annexes of the Regulation consulted on 21 October 2026.
Who it concerns
What official classifications and rules say for each group. A classification describes the hazard of the pure substance, not the risk of a product that contains it, which depends on the dose and the exposure.
Prohibition or serious classificationThe text prohibits the substance for this use, or ranks it among the most serious hazards (known or presumed carcinogenic, mutagenic or reprotoxic, identified endocrine disruptor).Worth watchingThe text sets a condition or flags a hazard worth knowing: allergen, suspected effect, condition for children, hazard to the aquatic environment.For informationOfficial information with no condition on a finished product: warning to read, irritation of the pure substance.
Pregnancy and breastfeeding
No classification harmonised by the European Union covers reproduction, the unborn child or breastfeeding for this substance. This does not mean it has been judged to have no effect during pregnancy.
Babies and children
The Cosmetics Regulation sets no age-related condition for this ingredient.
Skin, eyes and allergies
No official classification for sensitisation, irritation or eye damage, and no obligation to label it as an allergen.
Environment
No harmonised classification as hazardous to the aquatic environment, and it is not on ECHAEuropean Chemicals Agency.'s Candidate List as an endocrine disruptor for the environment.
Read on the label
The Cosmetics Regulation requires no warning to be printed for this ingredient.
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.
Functions declared in the CosIngThe European Commission's database of cosmetic ingredients. inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
Definitions of functions (decision repealed on 8 May 2020, cited for information). Decision 2006/257/EC, inventory of cosmetic ingredients (definitions of functions), retrieved 22 October 2026.
What the rules say
An ingredient can be used as a colorant only if it appears on the list of Annex IV. CI 77346 is on it, with no maximum concentration or restriction of use in this entry.
CosIng, Annex IV of Regulation (EC) No 1223/2009 (allowed colorants), retrieved 21 October 2026, source updated 13 October 2026.
The text of the annexes
Colorant allowed under conditions
- Entry
- Annex IV, No 131
- Substance
- Cobalt Aluminum Oxide
- Glossary names
- CI 77346
- CAS
- 1345-16-0
Regulation (EC) No 1223/2009, Annex IV, entry 131. CosIng, Annex IV of Regulation (EC) No 1223/2009 (allowed colorants), retrieved 21 October 2026, source updated 13 October 2026.
Entry from Regulation (EC) No 1223/2009, adopted on 30 November 2009.
What has changed, and what will change
Dates of the texts that cover this ingredient. A text date may cover several substances: the details of each entry are below.
Annex IV, entry 131: introduced or replaced by Regulation (EC) No 1223/2009
Annex IV, entry 131: applies from this date
Identity
- CosIng identifier
- 32825
- CAS (according to CosIng)
- 1345-16-0
- EC (according to CosIng)
- 310-193-6
- Declared functions
- Colorant
- Wikidata
- Q425278
- ECHA InfoCard
- 100.100.107
CosIng inventory. CosIng, inventory of cosmetic ingredients (INCI names, CAS, EC, functions), retrieved 21 October 2026.
Wikidata, items with a CosIng identifier (P3073), retrieved 22 October 2026.
Wikidata, PubChem and ECHA links are published only when verified: same CosIng identifier, a single item, matching CAS number.
Elsewhere in the world
Information on other jurisdictions, with no effect on sale in France. What is covered, and what is not yet.
Comparison between countries
Most restrictive status in each country, and the maximum concentration cited. The details and the source of each rule follow.
| Country | Rule | Maximum concentration cited |
|---|---|---|
| European Union | Colorant allowed under conditions | not cited |
| United Kingdom | Colorant allowed under conditions | not cited |
| Switzerland | EU Regulation applies | not cited |
| United States (federal) | No federal rule recorded | not cited |
| Japan | No entry in the lists recorded | not cited |
| South Korea | Allowed colorant | not cited |
| China | Not on the prohibited lists recorded (lists of allowed substances are not recorded) | not cited |
| Australia | No entry in the lists recorded | not cited |
| Brazil | No entry in the lists recorded | not cited |
United Kingdom (Great Britain)
- Colorant allowed under conditions (Annex IV)
Same entries as in the European Union. Their maximum concentrations are compared in the “Comparison between countries” table; other conditions (product types, warnings) may differ.
Annexes II to VI in force. United Kingdom, Annexes II to VI of Regulation (EC) No 1223/2009 as retained and amended, retrieved 21 October 2026.
Contains public sector information licensed under the Open Government Licence v3.0.
Northern Ireland applies EU law.
Switzerland
Regulation (EC) No 1223/2009 applies in Switzerland (Article 54 of the Ordinance on Foodstuffs and Utility Articles).
Switzerland, FDHA Ordinance on Cosmetic Products (OCos, SR 817.023.31), consolidated version, retrieved 22 October 2026.
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.
United States, 21 CFR part 700 and section 250.250 (FDA rules on cosmetic ingredients), eCFR, retrieved 21 October 2026.
The eCFR is not an official legal edition of the Code of Federal Regulations.
South Korea
- Allowed colorant: 코발트알루미늄옥사이드 (Cobalt Aluminum Oxide) CI 77346 (Cobalt Aluminum Oxide)
색소 고시 별표 1 (allowed colorants), entry 77, page 5.
South Korea, MFDS Standards for Cosmetic Colorants (화장품의 색소 종류 및 기준), Notification 2023-61, Annex 1, retrieved 22 October 2026.
Source: 식품의약품안전처 (MFDS), 화장품의 색소 종류 및 기준, via law.go.kr; table formatted by the publisher of this site.
Glossary: Commission Implementing Decision (EU) 2025/1175. Page updated on 21 October 2026.