Is BUMETRIZOLE safe to use in EU cosmetics?

BUMETRIZOLE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Always verify against the current official CosIng database before formulating.

What other records share CAS 3896-11-5?

CAS 3896-11-5 may appear across multiple EU annex records. The CAS lookup page shows all Annex II–VI entries sharing this identifier, useful for identifying cross-annex regulatory status of the same chemical substance.

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InventoryRef 3169015/10/2010

BUMETRIZOLE

Phenol, 2-(5-chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methyl-

BUMETRIZOLE is listed in the EU CosIng inventory, but no direct annex records are linked on this page yet.

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Regulatory evidence by market

No rule for this ingredient has been imported for any of the 13 markets tracked here.

That describes this inventory, not the law. No imported rule is not evidence that an ingredient is permitted: a rule may exist under another name or identifier, or in a dataset not yet imported here.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 3896-11-5

CAS 3896-11-5PubChem CID 62531

Tinuvin

Bumetrizole is a small molecule drug. Bumetrizole has a monoisotopic molecular weight of 315.11 Da. — DrugBank

IUPAC name: 2-tert-butyl-6-(5-chlorobenzotriazol-2-yl)-4-methylphenol

Molecular formula: C17H18ClN3O
Molecular weight: 315.8 g/mol
Exact mass: 315.1138399 Da
XLogP3: 5.6
Topological polar surface area: 50.9 Å²
Hydrogen-bond donors: 1
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazoleRefChem:570489BUMETRIZOLE2-(tert-Butyl)-6-(5-chloro-2H-benzo[d][1,2,3]triazol-2-yl)-4-methylphenolTinuvin 3262-(5-Chloro-2-benzotriazolyl)-6-tert-butyl-p-cresolUV-326Bumetrizol

16 more reported names

2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenolC17H18ClN3OPhenol, 2-(5-chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methyl-2-tert-Butyl-6-(5-chloro-2H-benzotriazol-2-yl)-p-cresol7ZF18Q354W2-tert-Butyl-6-(5-chloro-2H-1,2,3-benzotriazol-2-yl)-4-methylphenolTox21_1123792-(2'-Hydroxy-3'-t-butyl-5'-methylphenyl)-5-chlorobenzotriazole2-(3'-TERT-BUTYL-2'-HYDROXY-5'-METHYL- PHENYL)-5-CHLOROBENZOTRIAZOLE2-tert-Butyl-6-(5-chloro-2H-1,2,3-benzotriazol-2-yl)-4-methylphenol #CAS-3896-11-5Bumetrizolum6-(tert-butyl)-2-(5-chloro(2-hydrobenzotriazol-2-yl))-4-methylphenolBenazol PBKhLowitite 26UV Absorber-6

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL1880325
EPA DTXSID:DTXSID9036438
PubMed:30315675
PubMed:24642098
PubMed:22242929
PubMed:22019204
PubMed:21704319
PubMed:21582811
PubMed:21480589
PubMed:20640407

Retrieved from NIH PubChem on 2026-08-31 by checksum-valid CAS matching. Chemical properties do not replace the regulatory decision on this page.

Inventory details for BUMETRIZOLE

INCI name

BUMETRIZOLE

INN name

bumetrizole

Description

Phenol, 2-(5-chloro-2H-benzotriazol-2-yl)-6-(1,1-dimethylethyl)-4-methyl-

Record provenance

Inventory reference: 31690
Imported identity: BUMETRIZOLE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for BUMETRIZOLE

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Key data

CAS

3896-11-5

223-445-4

Restriction

—

Function

UV ABSORBER: Protecting the cosmetic product from the effects of UV-light.

Official EU ingredient-name evidence

The ingredient name exactly matches the official 2025 EU glossary of common ingredient names.

#4061 · BUMETRIZOLE

Ingredients with overlapping formulation functions

BENZYLIDENECAMPHOR HYDROLYZED COLLAGEN SULFONAMIDEHAIR CONDITIONING, SKIN PROTECTING, UV ABSORBER

BIS-(METHYLHYDROXY PROPIONYLPHENYL) METHANEUV ABSORBER

BIS-ETHYLHEXYLOXYPHENOL METHOXYPHENYL TRIAZINEHAIR CONDITIONING, LIGHT STABILIZER, UV ABSORBER, UV FILTER

BORNELONEUV ABSORBER

BUTYL METHOXYDIBENZOYLMETHANELIGHT STABILIZER, UV ABSORBER, UV FILTER

BUTYL PABAUV ABSORBER

CAFFEOYL PENTAPEPTIDE-27ANTIOXIDANT, CHELATING, SKIN PROTECTING, UV ABSORBER

CALCIUM CERIUM OXIDEUV ABSORBER

Additional official and scientific sources

11 external databases to check this identity in

Each link searches that source for this identity. What each source is, and its legal weight

ECHA CHEM / Information on chemicals PubChem PUG REST EU Safety Gate cosmetic product alerts ECHA CHEM US EPA CompTox Cosmetic Ingredient Review safety assessments FDA Global Substance Registration System ILO/WHO International Chemical Safety Cards Japan NITE-CHRIP NIOSH Pocket Guide to Chemical Hazards OECD eChemPortal

How BUMETRIZOLE appears in the CosIng inventory

The CosIng inventory lists BUMETRIZOLE as a cosmetic ingredient and this page links it to 0 annex records. The inventory entry captures names and identifiers, while the annex records show where the substance is prohibited, restricted or positively listed in EU cosmetics law.

BUMETRIZOLE is also tagged with 1 cosmetic function in the official data. Function labels describe intended use, but they do not replace regulatory review of linked annex records before formulation or labelling work.

Frequently asked questions

BUMETRIZOLE is listed in the EU CosIng ingredient inventory with no direct annex restriction records linked at this time. Absence of an annex link does not guarantee unrestricted use — always verify against the current official CosIng database before formulating.

According to the EU CosIng inventory, BUMETRIZOLE carries the following function designation(s):

UV ABSORBER

CAS 3896-11-5 may appear across multiple EU annex records. Viewing the CAS lookup page shows all Annex II–VI entries sharing this identifier, which is useful for identifying cross-annex regulatory status of the same chemical substance.

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Source note for BUMETRIZOLE

This page reproduces the CosIng inventory entry for BUMETRIZOLE from public European Commission cosmetic ingredient materials and shows linked identifiers even when no direct annex match is currently attached.

Use this inventory page to research BUMETRIZOLE and compare linked records, but verify restrictions and legal status against the current official source text and law before making regulatory decisions.

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Tools & next steps

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