Skip to main content
CosIng Checker
CosIng Checker
EU cosmetic ingredients, restrictions and safety
Login
Annex IV Entry 93 14/08/2020

Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

CI 61585

Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) appears in Annex IV as a positive-list colorant entry for EU cosmetics. Maximum concentration in this record: Rinse-off products.

Search similar Back to annex Compare Calculate concentration
Permitted colorant— Annex IV, EU Regulation 1223/2009
Max conc.: Rinse-off products
Entry: 93

Chemical identity and properties

PubChem 2D chemical structure for CAS 4474-24-2
CAS 4474-24-2PubChem CID 20551

Acid Blue 80

IUPAC name
disodium;3-[[9,10-dioxo-4-(2,4,6-trimethyl-3-sulfonatoanilino)anthracen-1-yl]amino]-2,4,6-trimethylbenzenesulfonate
Molecular formula
C32H28N2Na2O8S2
Molecular weight
678.7 g/mol
Exact mass
678.10824677 Da
Topological polar surface area
189.0 Ų
Hydrogen-bond donors
2
Hydrogen-bond acceptors
10
Covalent units
3
Defined stereocentres
0

Also known as

C.I. ACID BLUE 80Alizarine Fast Blue RWeak Acid Brilliant Blue RAWAlizarine Milling Blue RAcid Brilliant Blue RAWLAcid Anthraquinone Brilliant BlueAcid Brilliant Blue AnthraquinoneBrilliant Alizarine Milling Blue BL
16 more reported names
C.I. 61585ET8107F56D2-Mesitylenesulfonic acid, 4,4'-(1,4-anthraquinonylenediimino)di-, disodium saltSodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)Benzenesulfonic acid, 3,3'-((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino)bis(2,4,6-trimethyl-, disodium saltJ65.272EBenzenesulfonic acid, 3,3'-((9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino)bis(2,4,6-trimethyl-, sodium salt (1:2)RefChem:109237224-748-4Alizarine Blue BLNylosan Blue C-LNylosan Blue F-LPolar Brilliant Blue RAWKislotnyi yarko-sinii antrakhinonovyiEndanil Blue BCoomassie Blue B
Open full PubChem recordPubChem annotations3D structure image
External database identifiers

Retrieved from NIH PubChem on 2026-09-02 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Record details

Maximum concentration

Rinse-off products

Colour index or glossary

CI 61585

Chemical name

Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

Chemical / IUPAC name

Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

Color

Blue

Regulatory information

Regulation

(EC) 2009/1223

See every entry this act set

Identified ingredients

Key data

CAS
4474-24-2
EC
224-748-4
Annex
IV
Entry number
93

Inventory links for Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

Inventory Restriction reference
Ref 32787

CI 61585

CAS: 4474-24-2
EC: 224-748-4

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

Annex IV 92
Nearby record in the same annex

CI 61570

CAS: 4403-90-1
EC: 224-546-6
Annex IV 94
Nearby record in the same annex

CI 62045

CAS: 4368-56-3
EC: 224-460-9
Annex IV 91
Nearby record in the same annex

CI 61565

CAS: 128-80-3
EC: 204-909-5
Annex IV 95
Nearby record in the same annex

CI 69800

CAS: 81-77-6
EC: 201-375-5
Annex IV 90
Nearby record in the same annex

CI 60730

CAS: 4430-18-6
EC: 224-618-7
Annex IV 96
Nearby record in the same annex

CI 69825

CAS: 130-20-1
EC: 240-980-2
Annex IV 97
Nearby record in the same annex

CI 71105

CAS: 4424-06-0
EC: 224-597-4
Annex IV 88
Nearby record in the same annex

CI 60724

CAS: 19286-75-0
EC: 242-939-0
Annex IV 98
Nearby record in the same annex

CI 73000

CAS: 482-89-3
EC: 207-586-9
Annex IV 87
Nearby record in the same annex

CI 59040

CAS: 6358-69-6
EC: 228-783-6
Annex IV 99
Nearby record in the same annex

CI 73015

CAS: 860-22-0
EC: 212-728-8

What Annex IV means for Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) 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. Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) 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 4474-24-2 is the unique numerical identifier assigned to Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) 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 Rinse-off products 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.
Open INCI Checker

Source note for Annex IV record Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate)

This page summarizes one Annex IV record for Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) 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 Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate), but confirm any final regulatory decision against the current official annex wording and source files.

View sourcesView updates

Tools & next steps

Check your formula

Paste a full INCI list to detect Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) and other flagged EU annex records in one pass.

INCI Checker

Compare entries

Compare Sodium 3,3'-(9,10-dioxoanthracene-1,4-diyldiimino)bis(2,4,6-trimethylbenzenesulphonate) side by side with another annex record to review differences in restrictions, concentrations and annex placement.

Compare

Browse the annex

See all records in Annex IV and compare regulatory conditions across substances in this annex.

Open Annex IV