1-Ethyl-2-pyrrolidinone
Also known as: 1-Ethyl-2-pyrrolidone, N-Ethyl-2-pyrrolidone, N-Ethylpyrrolidone, N-ethyl-2-pyrrolidinone, N-ethylpyrrolidinone, NEP, 1-ethylpyrrolidin-2-one, 2-Pyrrolidinone, 1-ethyl-, Agsol Ex 2, N-Ethyl-2-azapentanone, N-Ethyl-2-pyrrolidon, N-Ethyl-alpha-pyrrolidone, ethyl-2-pyrrolidone, ethyl-pyrrolidinone
1-Ethyl-2-pyrrolidinone (CAS 2687-91-4) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C6H11NO and a molecular weight of 113.158 g/mol. Key properties include a melting point of < -120 °C, a boiling point of 203.6±0.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 76.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Nov 3, 2026.
- CAS No.
- 2687-91-4
- Jingsj CID
- J-24173-6
- Molecular Formula
- C6H11NO
- Molecular Weight
- 113.158 g/mol
- Category
- Ketones
- Last updated
- 11/3/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | < -120 °C |
|---|---|
| Boiling Point | 203.6±0.0 °C at 760 mmHg |
| Density | 1.0±0.1 g/cm3 |
| Flash Point | 76.1±0.0 °C |
| Exact Mass | 113.084061 |
| PSA | 20.31000 |
| LogP | 0.13 |
| Vapor Pressure | 0.3±0.4 mmHg at 25°C |
| Refractive Index | 1.465 |
GHS Safety & Compliance
- H318 — Causes serious eye damage
Customs & Trade Information
| HS Code | 2933790090 |
|---|---|
| Summary | 2933790090. other lactams. VAT:17.0%. Tax rebate rate:9.0%. . MFN tariff:9.0%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of 1-Ethyl-2-pyrrolidinone?
The CAS number of 1-Ethyl-2-pyrrolidinone is 2687-91-4.
What are the molecular formula and molecular weight of 1-Ethyl-2-pyrrolidinone?
1-Ethyl-2-pyrrolidinone has molecular formula C6H11NO and molecular weight 113.158 g/mol.
Is 1-Ethyl-2-pyrrolidinone hazardous?
1-Ethyl-2-pyrrolidinone has GHS signal word Danger and hazard statements H318 — Causes serious eye damage.
What are the upstream and downstream products of 1-Ethyl-2-pyrrolidinone?
For 1-Ethyl-2-pyrrolidinone, Upstream Products: N-Vinyl-2-pyrrolidone, 2-Pyrrolidinone, Bromoethane; Downstream Products: N-Ethylsuccinimide, 1-Acetyl-2-pyrrolidinone.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Ethyl-2-pyrrolidinone (CAS 2687-91-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24173-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.