Ethyl Pyrrolidone

Characteristics

INCI

Ethyl Pyrrolidone

CAS

2687-91-4 i

This is the substance number in the Chemical Abstracts Service registry. The CAS number uniquely identifies a substance regardless of language, trade name, or synonyms.

EC

220-250-6 i

This is the substance number in the European chemical identification system (EC number), used in European regulatory databases including ECHA/CosIng.

IUPAC

1-Ethylpyrrolidin-2-One; N-Ethylpyrrolidone

Functions

solvent

EU Restr.

CMR 1B (repr 1B) Reg (EU) No 944/2013 - banned since 1st Jan 2015 i

EU regulatory status: restricted use. The ingredient is permitted in EU cosmetics but its use and labelling are regulated.

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