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CAS 3376-24-7 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 8736715/10/2010

PHENYL T-BUTYLNITRONE

2-Propanamine, 2-methyl-N-(phenylmethylene)-, N-oxide

PHENYL T-BUTYLNITRONE 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 3376-24-7

CAS 3376-24-7PubChem CID 638877

N-tert-Butyl-alpha-phenylnitrone

IUPAC name: N-tert-butyl-1-phenylmethanimine oxide

Molecular formula: C11H15NO
Molecular weight: 177.24 g/mol
Exact mass: 177.115364102 Da
XLogP3: 1.3
Topological polar surface area: 28.8 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

Phenyl-N-tert-butylnitronen-tert-butyl phenyl nitroneN-t-Butyl-alpha-phenylnitronebenzylidene-tert-butylamine oxidePHENYL T-BUTYLNITRONE2-Methyl-N-(phenylmethylene)-2-propanamine N-oxide3I91332OPGN-tert-butylphenylnitrone

16 more reported names

alpha-phenyl-N-tert-butyl nitronealpha-PBNphenyl-tert-butylnitronealpha-phenyl-t-butyl nitronealpha-phenyl-tert-butylnitronephenyl butyl nitroneN-benzylidene-2-methylpropylamine n-oxideRefChem:927344alpha phenyl-tert-butyl nitrone222-168-6phenyl-butyl-nitronetert ButylphenylnitroneN-tert-Butyl-|A-phenylnitroneN-Benzylidene-2-methylpropan-2-amine oxide(Z)-N-tert-Butyl-1-phenylmethanimine oxidePbn [MI]

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL13210

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 PHENYL T-BUTYLNITRONE

INCI name

PHENYL T-BUTYLNITRONE

Description

2-Propanamine, 2-methyl-N-(phenylmethylene)-, N-oxide

Record provenance

Inventory reference: 87367
Imported identity: PHENYL T-BUTYLNITRONE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for PHENYL T-BUTYLNITRONE

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Key data

CAS

3376-24-7

222-168-8

Restriction

—

Function

ANTIOXIDANT: Inhibiting reactions promoted by oxygen, thus avoiding oxidation and rancidity.

Official EU ingredient-name evidence

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

#20730 · PHENYL T-BUTYLNITRONE

Ingredients with overlapping formulation functions

PHELLINUS LINTEUS/INONOTUS OBLIQUUS EXTRACT FERMENT WATERANTIOXIDANT, HUMECTANT, SKIN CONDITIONING

PHELLINUS RIBIS EXTRACTANTIOXIDANT

PHELLODENDRON AMURENSE FRUIT EXTRACTANTIOXIDANT

PHENETHYL CAFFEATEANTIOXIDANT

PHENYL THIAZINANE CARBOXYLIC ACIDANTIOXIDANT

PHENYLETHYL RESORCINOLANTIOXIDANT

PHENYLTHIOGLYCOLIC ACIDANTIOXIDANT

PHEOPHORBIDE A AMIDO PEG-45 AMIDO DISTEAROYL GLYCEROPHOSPHOETHANEANTI-SEBUM, ANTIMICROBIAL, ANTIOXIDANT

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 PHENYL T-BUTYLNITRONE appears in the CosIng inventory

The CosIng inventory lists PHENYL T-BUTYLNITRONE 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.

PHENYL T-BUTYLNITRONE 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

PHENYL T-BUTYLNITRONE 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, PHENYL T-BUTYLNITRONE carries the following function designation(s):

ANTIOXIDANT

CAS 3376-24-7 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 PHENYL T-BUTYLNITRONE

This page reproduces the CosIng inventory entry for PHENYL T-BUTYLNITRONE 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 PHENYL T-BUTYLNITRONE 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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