EU cosmetic ingredients, restrictions and safety

Annex IV Entry 136 14/08/2020

Iron Oxide Yellow

CI 77492

Iron Oxide Yellow appears in Annex IV as a positive-list colorant entry for EU cosmetics.

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Permitted colorant— Annex IV, EU Regulation 1223/2009

Entry: 136

Record details

Warnings

Purity criteria as set out in Commission Directive 95/45/EC (E172)

Colour index or glossary

CI 77492

Chemical name

Iron Oxide Yellow

Chemical / IUPAC name

Iron Oxide Yellow

Color

Yellow

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

CI 77492

Key data

CAS

EC

Annex

Entry number

136

Inventory links for Iron Oxide Yellow

Inventory Restriction reference

Ref 32830

CI 77492

CAS: 51274-00-1 / 1345-27-3 / 20344-49-4 / 52357-70-7

EC: 257-098-5 / 215-722-3 / 215-570-8 / 257-670-1

Direct matches are limited for this record, so nearby entries from Annex IV are shown as well.

Annex IV 135

Nearby record in the same annex

CI 77491

CAS: 1345-25-1; 1345-27-3; 1309-37-1; 1317-61-9; 52357-70-7

EC: -; 215-722-3; 215-168-2; -; 257-870-1

Annex IV 137

Nearby record in the same annex

CI 77499

CAS: 12227-89-3; 1309-37-1; 1317-61-9; 1345-25-1; 1345-27-3; 52357-70-7

EC: 235-442-9; 215-168-2; 215-277-5; 215-721-8; 215-722-3; 257-870-1

Annex IV 134

Nearby record in the same annex

CI 77489

CAS: 1345-25-1

EC: 215-721-8

Annex IV 138

Nearby record in the same annex

CI 77510

CAS: 25869-00-5

EC: 237-875-5

Annex IV 133

Nearby record in the same annex

CI 77480

CAS: 7440-57-5

EC: 231-165-9

Annex IV 139

Nearby record in the same annex

CI 77713

CAS: 546-93-0; 7757-69-9

EC: 208-915-9; 231-817-2

Annex IV 132

Nearby record in the same annex

CI 77400

CAS: 7440-50-8

EC: 231-159-6

Annex IV 140

Nearby record in the same annex

CI 77742

CAS: 10101-66-3

EC: 233-257-4

Annex IV 131

Nearby record in the same annex

CI 77346

CAS: 1345-16-0

Annex IV 141

Nearby record in the same annex

CI 77745

CAS: 10124-54-6

EC: 233-341-0

Annex IV 130

Nearby record in the same annex

CI 77289

CAS: 12001-99-9

Annex IV 142

Nearby record in the same annex

CI 77820

CAS: 7440-22-4

EC: 231-131-3

What Annex IV means for Iron Oxide Yellow

Iron Oxide Yellow is an approved colorant listed in Annex IV of EU Cosmetics Regulation 1223/2009. Only colorants on this positive list may be used to colour cosmetic products on the EU market.

Some colorants in Annex IV are restricted by product type — for example, prohibited from use around the eyes or in products applied to mucous membranes. Check the product type and conditions fields above before use.

This record is linked to 1 CosIng inventory ingredient for name and identifier cross-reference. The page also surfaces 12 related annex records with overlapping identifiers, annex logic or naming patterns.

Compliance checklist

Confirm colorant is used only in permitted product types listed above.
Record the Colour Index number and CAS identifier in the ingredient declaration.

Frequently asked questions

Yes. Iron Oxide Yellow is included in Annex IV of EU Cosmetics Regulation 1223/2009 as a permitted colorant. Only colorants on this positive list may be used to colour cosmetic products in the EU. Check the product type conditions above for any use restrictions.

CAS 51274-00-1 is the unique numerical identifier assigned to Iron Oxide Yellow by the Chemical Abstracts Service. In cosmetic compliance work, the CAS number is used to cross-reference the substance across regulatory databases, raw material specifications and safety assessment reports. Multiple EU annex entries may share the same CAS number if the same substance appears under different conditions or in different annexes.

Use the INCI Checker tool on this site to paste your full ingredient list (INCI) and scan it against all Annex II–VI entries. The tool highlights any ingredients that match restricted, prohibited or allergen-flagged records. This is useful for rapid compliance screening of finished product formulas or raw material declarations.

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Source note for Annex IV record Iron Oxide Yellow

This page summarizes one Annex IV record for Iron Oxide Yellow from public European Commission cosmetic materials and adds linked inventory or identifier matches when available.

Use this record page to review Annex IV conditions for Iron Oxide Yellow, but confirm any final regulatory decision against the current official annex wording and source files.

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