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Annex IV Entry 151 14/08/2020

Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

BROMOTHYMOL BLUE

Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide appears in Annex IV as a positive-list colorant entry for EU cosmetics. Maximum concentration in this record: Rinse-off products.

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Permitted colorant— Annex IV, EU Regulation 1223/2009
Max conc.: Rinse-off products
Entry: 151

Record details

Maximum concentration

Rinse-off products

Colour index or glossary

BROMOTHYMOL BLUE

Chemical name

Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

Chemical / IUPAC name

Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

Color

Blue

Regulatory information

Regulation

(EC) 2009/1223

Identified ingredients

Key data

CAS
76-59-5
EC
200-971-2
Annex
IV
Entry number
151

Inventory links for Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

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

Annex IV 149
Nearby record in the same annex

ANTHOCYANINS

CAS: 528-58-5 / 134-01-0 / 528-53-0 / 643-84-5 / 134-04-3
EC: 208-438-6 / 205-125-6 / 211-403-8 / 208-437-0 / - / 205-127-7
Annex IV 153
Nearby record in the same annex

ACID RED 195

CAS: 12220-24-5
Annex IV 148
Nearby record in the same annex

BEETROOT RED

CAS: 7659-95-2; 89957-88-0; 89957-89-1
EC: 231-628-5; 289-609-2; 289-610-8
Annex IV 146
Nearby record in the same annex

CARAMEL

EC: 232-435-9
Annex IV 144
Nearby record in the same annex

ZINC OXIDE

CAS: 1314-13-2
EC: 215-222-5
Annex IV 142
Nearby record in the same annex

CI 77820

CAS: 7440-22-4
EC: 231-131-3
Annex IV 141
Nearby record in the same annex

CI 77745

CAS: 10124-54-6
EC: 233-341-0

What Annex IV means for Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide 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. Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide 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 76-59-5 is the unique numerical identifier assigned to Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide 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.
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Source note for Annex IV record Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide

This page summarizes one Annex IV record for Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide 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 Phenol, 4,4'-(3H-2,1-benzoxathiol-3-ylidene)bis[2-bromo-3-methyl-6-(1-methylethyl)-, S,S-dioxide, but confirm any final regulatory decision against the current official annex wording and source files.

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