What does the restriction note for ETHYL PYRROLIDONE mean?

The restriction field for ETHYL PYRROLIDONE reads: II/1562. This is the restriction note from the CosIng inventory. For authoritative conditions and limits, always refer to the linked annex entries.

What other records share CAS 2687-91-4?

CAS 2687-91-4 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.

InventoryRef 8247830/07/2020

ETHYL PYRROLIDONE

Q: How do I check if my formula contains ETHYL PYRROLIDONE?

Use the INCI Checker tool on CosIng Checker to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

1-Ethylpyrrolidin-2-one; N-Ethylpyrrolidone

ETHYL PYRROLIDONE is linked to 1 EU annex record on this page. Inventory note: II/1562.

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Inventory details for ETHYL PYRROLIDONE

INCI name

ETHYL PYRROLIDONE

Description

1-Ethylpyrrolidin-2-one; N-Ethylpyrrolidone

Annex records for ETHYL PYRROLIDONE

Annex II Restriction reference

Entry 1562

N-Ethyl-2-pyrrolidone; 1-ethylpyrrolidin-2-one

CAS: 2687-91-4

EC: 220-250-6

Key data

CAS

2687-91-4

220-250-6

Restriction

II/1562

Function

SOLVENT

How ETHYL PYRROLIDONE appears in the CosIng inventory

The CosIng inventory lists ETHYL PYRROLIDONE as a cosmetic ingredient and this page links it to 1 annex record. The inventory entry captures names and identifiers, while the annex record shows where the substance is prohibited, restricted or positively listed in EU cosmetics law.

ETHYL PYRROLIDONE 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

ETHYL PYRROLIDONE appears in the EU CosIng inventory and has linked annex records. Check the annex records above for applicable restrictions, concentration limits and conditions of use. Annex II listing means prohibited; Annex III means restricted; Annexes IV, V and VI mean permitted under specified conditions.

The restriction field for ETHYL PYRROLIDONE reads: "II/1562". This is the restriction note recorded in the CosIng inventory for this ingredient. For authoritative conditions and limits, always refer to the linked annex entries above.

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

SOLVENT

CAS 2687-91-4 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.

View CAS records

Use the INCI Checker tool to paste your full ingredient list and scan it against all EU annex records and allergen flags in one step.

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Source note for ETHYL PYRROLIDONE

This page combines the CosIng inventory entry for ETHYL PYRROLIDONE with 1 linked Annex II–VI record from the local dataset built from public European Commission cosmetic ingredient materials.

Use this inventory page to research ETHYL 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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Tools & next steps

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Scan a full INCI list to detect ETHYL PYRROLIDONE and any linked EU annex restrictions or allergen flags.

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