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CAS 2687-96-9 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 7714315/10/2010

LAURYL PYRROLIDONE

2-Pyrrolidinone, 1-dodecyl-

LAURYL PYRROLIDONE 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 2687-96-9

CAS 2687-96-9PubChem CID 62459

1-Lauryl-2-pyrrolidone

1-dodecylpyrrolidin-2-one is pyrrolidin-2-one substituted at nitrogen by an n-dodecyl group. It has a role as an epitope. — ChEBI

IUPAC name: 1-dodecylpyrrolidin-2-one

Molecular formula: C16H31NO
Molecular weight: 253.42 g/mol
Exact mass: 253.240564612 Da
XLogP3: 5.4
Topological polar surface area: 20.3 Å²
Hydrogen-bond donors: 0
Hydrogen-bond acceptors: 1
Covalent units: 1
Defined stereocentres: 0

Also known as

RefChem:4321501-DODECYL-2-PYRROLIDINONELauryl pyrrolidoneN-DodecylpyrrolidinoneN-Lauryl-2-pyrrolidone1-Dodecyl-2-pyrrolidone2-Pyrrolidinone, 1-dodecyl-n-(n-dodecyl)pyrrolidinone

16 more reported names

N-dodecyl-2-pyrrolidoneUNII-3P14VW8FNY3P14VW8FNYBRN 0155011C16H31NOCHEBI:146192EC 403-730-1laurylpyrrolidoneORISTAR LPLN-dodecylpyrrolidin-2-oneEpitope ID:969015SURFADONE LP-3001-n-Dodecylazacyclopentan-2-one1-Dodecyl-2-pyrrolidinone, 99%Tox21_300374CS-W012601

Open full PubChem record PubChem annotations 3D structure image

External database identifiers

ChEBI:CHEBI:146192
ChEMBL:CHEMBL3186490
EPA DTXSID:DTXSID4042206
PubMed:21386512
PubMed:19697392
PubMed:18683029
PubMed:18197519
PubMed:17688265

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 LAURYL PYRROLIDONE

INCI name

LAURYL PYRROLIDONE

Description

2-Pyrrolidinone, 1-dodecyl-

Record provenance

Inventory reference: 77143
Imported identity: LAURYL PYRROLIDONE
Source update: 15/10/2010

European Commission CosIng source notes

Annex records for LAURYL PYRROLIDONE

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Key data

CAS

2687-96-9

403-730-1

Restriction

—

Function

CLEANSING: Helping to keep the body surface clean.
HAIR CONDITIONING: Enhancing the appearance and feel of hair. Leaving the hair easy to comb, supple, soft and shiny and/or imparting volume, lightness, gloss, texture, etc.
SURFACTANT - CLEANSING: Wetting body surfaces, emulsifying or solubilizing oils, and suspending soil (generally, such ingredients contribute to the foaming and lathering properties of cleansing products).

Official EU ingredient-name evidence

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

#15115 · LAURYL PYRROLIDONE

Ingredients with overlapping formulation functions

LAURYL GLUCOSIDECLEANSING, SURFACTANT - CLEANSING

LAURYL HYDROXYSULTAINEANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - F…

LAURYL METHYLGLUCAMIDECLEANSING, SKIN CONDITIONING

LAURYL PG-DIMONIUM CHLORIDECLEANSING, SURFACTANT - CLEANSING, SURFACTANT - EMULSIFYING

LAURYL SULTAINEANTISTATIC, CLEANSING, HAIR CONDITIONING, SKIN CONDITIONING, SURFACTANT - CLEANSING, SURFACTANT - F…

LAURYL/MYRISTYL WHEAT BRAN/STRAW GLYCOSIDESCLEANSING, EMULSION STABILISING, SURFACTANT - EMULSIFYING, SURFACTANT - FOAM BOOSTING, VISCOSITY CO…

LAURYLDIMONIUMHYDROXYPROPYL COCOGLUCOSIDES CHLORIDECLEANSING; SURFACTANT - EMULSIFYING; SKIN CONDITIONING; SURFACTANT - CLEANSING

LAVANDULA ANGUSTIFOLIA FLOWER EXTRACTCLEANSING, DEODORANT, FRAGRANCE, REFRESHING, TONIC

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 LAURYL PYRROLIDONE appears in the CosIng inventory

The CosIng inventory lists LAURYL PYRROLIDONE 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.

LAURYL PYRROLIDONE is also tagged with 3 cosmetic functions 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

LAURYL PYRROLIDONE 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, LAURYL PYRROLIDONE carries the following function designation(s):

CAS 2687-96-9 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 LAURYL PYRROLIDONE

This page reproduces the CosIng inventory entry for LAURYL PYRROLIDONE 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 LAURYL PYRROLIDONE 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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