Official EU label nameGlossary entry 28347

T-BUTYL BENZOYL PEROXIDE

This record confirms an official common ingredient name for EU cosmetic product labelling. It does not by itself confirm that the substance is permitted, unrestricted or safe.

Global evidence snapshot

The resolved identity has matching regulatory evidence in 0 of 13 indexed market datasets: 0 country records and 0 EU Annex records. Every result and evidence gap is listed below.

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Resolved identifiers

Resolved substance identity

CAS:614-45-9

EC:210-382-2

Ingredient index records:

T-BUTYL BENZOYL PEROXIDE

Cosmetic functions: UV ABSORBER

Benzenecarboperoxoic Acid, 1,1,-Dimethylethyl Ester; tert-butyl perbenzoate

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1 matched or reported name

T-BUTYL BENZOYL PEROXIDE

Regulatory evidence across markets

None of the 13 markets tracked here holds an imported rule under the name T-BUTYL BENZOYL PEROXIDE.

That is a statement about this inventory, not about the law: no imported rule is not evidence that a substance is permitted. A rule may exist under a different name, under a CAS or EC number this glossary entry does not carry, or in a dataset not yet imported.

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Chemical identity and properties

PubChem 2D chemical structure for CAS 614-45-9

CAS 614-45-9PubChem CID 11966

tert-Butyl peroxybenzoate

Tert-butyl peroxybenzoate, [<= 50% with inert inorganic solid] is a clear, colorless to slightly yellow liquid with a mild, aromatic odor. Also stored and transported as a mixture with inert solids and as a solvent slurry, to mitigate the explosion hazard. — CAMEO Chemicals

IUPAC name: tert-butyl benzenecarboperoxoate

Molecular formula: C11H14O3
Molecular weight: 194.23 g/mol
Exact mass: 194.094294304 Da
XLogP3: 2.8
Topological polar surface area: 35.5 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 3
Covalent units: 1
Defined stereocentres: 0

Also known as

tert-Butyl perbenzoateChaloxyd tbpbPerbutyl ZEsperox 10t-Butyl perbenzoateTrigonox CBenzoyl tert-butyl peroxideTerc.butylperbenzoan

16 more reported names

Peroxybenzoic acid, tert-butyl esterBenzenecarboperoxoic acid, 1,1-dimethylethyl esterPerbenzoate de butyle tertiairePerbenzoic acid, tert-butyl esterPEROXYBENZOIC ACID, T-BUTYL ESTERNSC-674terc.Butylester kyseliny peroxybenzoove54E39145KTRefChem:188216peroxybenzoic acid t-butyl ester210-382-2tert-Butyl peroxy benzoatet-Butyl peroxybenzoatebenzenecarboperoxoic acid tert-butyl estertert-butylperoxybenzoatet-Butyl peroxy benzoate

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External database identifiers

ChEMBL:CHEMBL1328092
EPA DTXSID:DTXSID9024699
PubMed:22643457
PubMed:22429149
PubMed:21950683
PubMed:21738908
PubMed:21644556
PubMed:18756568
PubMed:18688831
PubMed:18164071
PubMed:16357993
PubMed:14682715
PubMed:14633658
PubMed:14505320

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

Additional authoritative substance research

Each link searches that source for this identity. A link is a research route, not a claim that the source holds an exact record. What each source is, and its legal weight

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 US EPA CompTox CTX APIs

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Official source and scope

Imported from Commission Implementing Decision (EU) 2025/1175 (dataset version EU 2025/1175). The glossary supplies common ingredient names for the ingredient list required by Article 19(1)(g); it is not an approval or safety list.

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