Annex IV Entry 36 14/08/2020

Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

CI 16290

Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate appears in Annex IV as a positive-list colorant entry for EU cosmetics.

Permitted colorant— Annex IV, EU Regulation 1223/2009
Entry: 36

Record details

Colour index or glossary

CI 16290

Chemical name

Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

Chemical / IUPAC name

Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

Color

Red

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

Key data

Annex
Entry number
36

Inventory links for Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

Inventory Restriction reference
Ref 32729

CI 16290

CAS: 5850-44-2
EC: 227-454-4

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

Annex IV 35
Nearby record in the same annex

CI 16255

CAS: 2611-82-7
EC: 220-036-2
Annex IV 37
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CI 17200

CAS: 3567-66-6
EC: 222-656-9
Annex IV 34
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CI 16230

CAS: 1936-15-8
EC: 217-705-6
Annex IV 38
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CI 18050

CAS: 3734-67-6
EC: 223-098-9
Annex IV 33
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CI 16185

CAS: 642-59-1; 915-67-3
EC: 211-385-1; 213-022-2
Annex IV 39
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CI 18130

CAS: 10236-37-0
Annex IV 32
Nearby record in the same annex

CI 16035

CAS: 25956-17-6
EC: 247-368-0
Annex IV 40
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CI 18690

CAS: 5601-29-6
EC: 227-022-5
Annex IV 31
Nearby record in the same annex

CI 15985

CAS: 2783-94-0
EC: 220-491-7
Annex IV 41
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CI 18736

CAS: 6408-26-0
EC: 229-051-9
Annex IV 30
Nearby record in the same annex

CI 15980

CAS: 2347-72-0
EC: 219-073-7
Annex IV 42
Nearby record in the same annex

CI 18820

CAS: 6359-82-6
EC: 228-808-0

What Annex IV means for Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate 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. Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate 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 5850-44-2 is the unique numerical identifier assigned to Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate 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.

Source note for Annex IV record Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate

This page summarizes one Annex IV record for Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate 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 Tetrasodium 7-hydroxy-8-[(4-sulphonato-1-naphthyl)azo]naphthalene-1,3,6-trisulphonate, but confirm any final regulatory decision against the current official annex wording and source files.

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