EU cosmetic ingredients, restrictions and safety

Annex IV Entry 34 14/08/2020

Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

CI 16230

Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate 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: 34

Record details

Maximum concentration

Not to be used in products applied on mucous membranes

Colour index or glossary

CI 16230

Chemical name

Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

Chemical / IUPAC name

Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

Color

Orange

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

CI 16230

Key data

CAS

EC

Annex

Entry number

34

Inventory links for Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

Inventory Restriction reference

Ref 32727

CI 16230

CAS: 1936-15-8

EC: 217-705-6

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

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 35

Nearby record in the same annex

CI 16255

CAS: 2611-82-7

EC: 220-036-2

Annex IV 32

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CI 16035

CAS: 25956-17-6

EC: 247-368-0

Annex IV 36

Nearby record in the same annex

CI 16290

CAS: 5850-44-2

EC: 227-454-4

Annex IV 31

Nearby record in the same annex

CI 15985

CAS: 2783-94-0

EC: 220-491-7

Annex IV 37

Nearby record in the same annex

CI 17200

CAS: 3567-66-6

EC: 222-656-9

Annex IV 30

Nearby record in the same annex

CI 15980

CAS: 2347-72-0

EC: 219-073-7

Annex IV 38

Nearby record in the same annex

CI 18050

CAS: 3734-67-6

EC: 223-098-9

Annex IV 29

Nearby record in the same annex

CI 15880

CAS: 6417-83-0

EC: 229-142-3

Annex IV 39

Nearby record in the same annex

CI 18130

CAS: 10236-37-0

Annex IV 28

Nearby record in the same annex

CI 15865

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

EC: 222-642-2

Annex IV 40

Nearby record in the same annex

CI 18690

CAS: 5601-29-6

EC: 227-022-5

What Annex IV means for Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate 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. Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate 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 1936-15-8 is the unique numerical identifier assigned to Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate 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 Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate

This page summarizes one Annex IV record for Disodium 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate 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 7-hydroxy-8-(phenylazo)naphthalene-1,3-disulphonate, but confirm any final regulatory decision against the current official annex wording and source files.

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