EU cosmetic ingredients, restrictions and safety

Annex IV Entry 2 14/08/2020

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

CI 10020

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) appears in Annex IV as a positive-list colorant entry for EU cosmetics. Maximum concentration in this record: Not to be used in products applied on mucous membranes.

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Permitted colorant— Annex IV, EU Regulation 1223/2009

Max conc.: Not to be used in products applied on mucous membranes

Entry: 2

Record details

Maximum concentration

Not to be used in products applied on mucous membranes

Colour index or glossary

CI 10020

Chemical name

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

Chemical / IUPAC name

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

Color

Green

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

Key data

CAS

EC

Annex

Entry number

2

Inventory links for Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

Inventory Identified ingredient

Ref 31615

ACID GREEN 1

CAS: 19381-50-1

EC: 243-010-2

Inventory Restriction reference

Ref 32695

CI 10020

CAS: 19381-50-1

EC: 243-010-2

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

Annex II 1342

Shared CAS number

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonate(2-)-N5,O6]ferrate(3-); (A…

CAS: 19381-50-1

EC: 243-010-2

Annex IV 1

Nearby record in the same annex

CI 10006

CAS: 16143-80-9

EC: 240-299-7

Annex IV 3

Nearby record in the same annex

CI 10316

CAS: 846-70-8

EC: 212-690-2

Annex IV 4

Nearby record in the same annex

CI 11680

CAS: 2512-29-0

EC: 219-730-8

Annex IV 5

Nearby record in the same annex

CI 11710

CAS: 6486-23-3

EC: 229-355-1

Annex IV 6

Nearby record in the same annex

CI 11725

CAS: 6371-96-6

EC: 228-907-9

Annex IV 7

Nearby record in the same annex

CI 11920

CAS: 2051-85-6

EC: 218-131-9

Annex IV 8

Nearby record in the same annex

CI 12010

CAS: 6535-42-8

EC: 229-439-8

Annex IV 9

Nearby record in the same annex

CI 12085

CAS: 2814-77-9

EC: 220-562-2

Annex IV 10

Nearby record in the same annex

CI 12120

CAS: 2425-85-6

EC: 219-372-2

Annex IV 11

Nearby record in the same annex

CI 12370

CAS: 6535-46-2

EC: 229-440-3

Annex IV 12

Nearby record in the same annex

CI 12420

CAS: 6471-51-8

EC: 229-315-3

What Annex IV means for Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) 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 2 CosIng inventory ingredients 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. Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) 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 19381-50-1 is the unique numerical identifier assigned to Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) 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.

The maximum concentration of Not to be used in products applied on mucous membranes applies to the concentration of the substance in the ready-to-use cosmetic product. When the substance is supplied as part of a blend or mixture, the calculation must account for the contribution of all sources in the formulation. The combined concentration must not exceed the stated limit.

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 Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-)

This page summarizes one Annex IV record for Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-) 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 Trisodium tris[5,6-dihydro-5-(hydroxyimino)-6-oxonaphthalene-2-sulphonato(2-)-N5,O6]ferrate(3-), but confirm any final regulatory decision against the current official annex wording and source files.

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