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CAS 2235-00-9 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 9529431/01/2018

N-VINYL CAPROLACTAM

N-Vinyl Caprolactam is the organic compound that conforms to the formula:

N-VINYL CAPROLACTAM 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 2235-00-9

CAS 2235-00-9PubChem CID 75227

N-Vinylcaprolactam

IUPAC name: 1-ethenylazepan-2-one

Molecular formula: C8H13NO
Molecular weight: 139.19 g/mol
Exact mass: 139.099714038 Da
XLogP3: 1.1
Topological polar surface area: 20.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

N-Vinyl-epsilon-caprolactam1-Vinylhexahydro-2H-azepin-2-oneUNII-KFC10CY9UPKFC10CY9UP1-Ethenylhexahydro-2H-azepin-2-onen-vinyl caprolactamV-CAP RC1-VINYLCAPROLACTAM

16 more reported names

EINECS 218-787-6N-VINYLAZEPAN-2-ONEVINYL CAPROLACTAM (VCL)EC 218-787-62H-AZEPIN-2-ONE, HEXAHYDRO-1-VINYL-NVCRefChem:7906218-787-61-vinylazepan-2-one2H-Azepin-2-one, 1-ethenylhexahydro-N-Vinyl-micro-caprolactamN-Vinylcaprolactam, 98%AS-57151N-Vinyl-|A-caprolactamEN300-397741-vinylazaperhydroepin-2-one

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEMBL:CHEMBL3188330
EPA DTXSID:DTXSID1041423
PubMed:22888741
PubMed:22377214
PubMed:21736523
PubMed:21561077
PubMed:21530758
PubMed:21356411
PubMed:21353769
PubMed:20851458
PubMed:19691278
PubMed:19447402
PubMed:19289308
PubMed:18642060

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 N-VINYL CAPROLACTAM

INCI name

N-VINYL CAPROLACTAM

Description

N-Vinyl Caprolactam is the organic compound that conforms to the formula:

Record provenance

Inventory reference: 95294
Imported identity: N-VINYL CAPROLACTAM
Source update: 31/01/2018

European Commission CosIng source notes

Annex records for N-VINYL CAPROLACTAM

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Key data

CAS

2235-00-9

218-787-6

Restriction

—

Function

NOT REPORTED: No function currently reported.

Ingredients with overlapping formulation functions

MUSSEL EXTRACTNOT REPORTED

MYRISTOLEIC ACIDNOT REPORTED

N,N'-METHYLENEBISACRYLAMIDENOT REPORTED

N-STEAROYL SERINOLNOT REPORTED

N-VINYL IMIDAZOLENOT REPORTED

N-VINYL PYRROLIDONENOT REPORTED

NICKEL ACETYLMETHIONATENOT REPORTED

NICKEL GLUCONATENOT REPORTED

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 N-VINYL CAPROLACTAM appears in the CosIng inventory

The CosIng inventory lists N-VINYL CAPROLACTAM 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.

N-VINYL CAPROLACTAM 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

N-VINYL CAPROLACTAM 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, N-VINYL CAPROLACTAM carries the following function designation(s):

NOT REPORTED

CAS 2235-00-9 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 N-VINYL CAPROLACTAM

This page reproduces the CosIng inventory entry for N-VINYL CAPROLACTAM 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 N-VINYL CAPROLACTAM 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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