C6H11NO
113.16 g/mol
Industrial ChemicalDanger
1-ETHYL-2-PYRROLIDINONE
CAS2687-91-4EC220-250-6
Category
Industrial Chemical
Compound Class
Amide
Primary Use
Industrial solvent and etching agent
1-Ethyl-2-pyrrolidinone is an industrial chemical primarily used as a solvent and etching agent. It is a polar, non-aromatic heterocyclic compound containing an amide functional group.
Industrial solventEtching agent in manufacturing processes
Content scope: Information here supports chemical identification and industrial supply, research, and manufacturing contexts. It is not a therapeutic claim, medical advice, or drug-use instructions.
Restricted or banned substances
Substances on this list are banned or restricted under the named regulation. This page is a compliance reference — verify your obligations under applicable law.
Relevant lists:EU REACH Restriction List
CAS 2687-91-4
Related Compounds
ReferenceSame Category
N-Octyl pyrrolidone
CAS2687-94-7
industrial solvent
ReferenceSame Category
Lauryl pyrrolidone
CAS2687-96-9
Surfactant
ReferenceSame Category
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synthetic intermediate for specialty chemicals
ReferenceSame Category
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heat transfer fluid component
Safety Reference
Danger
H302Harmful if swallowed
H315Causes skin irritation
H318Causes serious eye damage
H319Causes serious eye irritation
H335May cause respiratory irritation
H360May damage fertility or the unborn child
H361Suspected of damaging fertility or the unborn child
H227
Regulatory Compliance1
- EU REACH Restriction ListEURegulationRestrictedSource
Customs Tariff Classification
The international HS code for 1-ETHYL-2-PYRROLIDINONE (CAS 2687-91-4) is 2933.79.
HS code (international, 6-digit)
2933.79
EU CN code (8-digit)
2933 79 00
Classification per the EU customs inventory ECICS (2026-07 snapshot, HS 2022). National tariff lines and product form can affect the final classification.
Identifiers
IUPAC Name
1-ethylpyrrolidin-2-one
InChIKey
ZFPGARUNNKGOBB-UHFFFAOYSA-N
SMILES
CCN1CCCC1=O
Synonyms (19)
- 1-ETHYL-2-PYRROLIDINONE
- 1-Ethyl-2-pyrrolidone
- 1-Ethylpyrrolidin-2-one
- 2-Pyrrolidinone, 1-ethyl-
- Agsol Ex 2
- Ethyl pyrrolidone
- Ethyl-pyrrolidone (NEP)
- N-ETHYL-.ALPHA.-PYRROLIDINONE
- N-ETHYL-.GAMMA.-BUTYROLACTAM
- N-ETHYLBUTYROLACTAM
- N-Ethyl-2-azapentanone
- N-Ethyl-2-pyrrolidone
- N-Ethylpyrrolidinone
- N-Ethylpyrrolidone
- Pyrrolidinone, 1-ethyl-
- n-ethyl-2-pyrrolidinone