EU cosmetic ingredients, restrictions and safety

Annex IV Entry 32 14/08/2020

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

CI 16035

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate appears in Annex IV as a positive-list colorant entry for EU cosmetics.

Search similar Back to annex Compare

Permitted colorant— Annex IV, EU Regulation 1223/2009

Entry: 32

Record details

Warnings

Purity criteria as set out in Commission Directive 95/45/EC (E 129)

Colour index or glossary

CI 16035

Chemical name

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

Chemical / IUPAC name

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

Color

Red

Regulatory information

Regulation

(EC) 2009/1223

SCCS opinions

Opinion on Curry Red

Identified ingredients

Key data

CAS

EC

Annex

Entry number

32

Inventory links for Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

Inventory Restriction reference

Ref 32725

CI 16035

CAS: 25956-17-6

EC: 247-368-0

Inventory Restriction reference

Ref 33088

CURRY RED

CAS: 25956-17-6

EC: 247-368-0

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

Annex III 191

Shared CAS number

CURRY RED

CAS: 25956-17-6

EC: 247-368-0

Annex IV 31

Nearby record in the same annex

CI 15985

CAS: 2783-94-0

EC: 220-491-7

Annex IV 33

Nearby record in the same annex

CI 16185

CAS: 642-59-1; 915-67-3

EC: 211-385-1; 213-022-2

Annex IV 30

Nearby record in the same annex

CI 15980

CAS: 2347-72-0

EC: 219-073-7

Annex IV 34

Nearby record in the same annex

CI 16230

CAS: 1936-15-8

EC: 217-705-6

Annex IV 29

Nearby record in the same annex

CI 15880

CAS: 6417-83-0

EC: 229-142-3

Annex IV 35

Nearby record in the same annex

CI 16255

CAS: 2611-82-7

EC: 220-036-2

Annex IV 28

Nearby record in the same annex

CI 15865

CAS: 3564-21-4; 5280-66-0

EC: 222-642-2

Annex IV 36

Nearby record in the same annex

CI 16290

CAS: 5850-44-2

EC: 227-454-4

Annex IV 27

Nearby record in the same annex

CI 15850

EC: 226-109-5

Annex IV 37

Nearby record in the same annex

CI 17200

CAS: 3567-66-6

EC: 222-656-9

Annex IV 26

Nearby record in the same annex

CI 15800

CAS: 6371-76-2

EC: 228-899-7

What Annex IV means for Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate 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. Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate 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 25956-17-6 is the unique numerical identifier assigned to Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate 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.

Open INCI Checker

Source note for Annex IV record Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate

This page summarizes one Annex IV record for Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate 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 Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate, but confirm any final regulatory decision against the current official annex wording and source files.

View sources View updates

Tools & next steps

Check your formula

Paste a full INCI list to detect Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate and other flagged EU annex records in one pass.

Compare entries

Compare Disodium 6-hydroxy-5-[(2-methoxy-4-sulphonato-m-tolyl)azo]naphthalene-2-sulphonate side by side with another annex record to review differences in restrictions, concentrations and annex placement.

Browse the annex

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