3-Ethyl-4-methyl-3-pyrrolin-2-one

3-乙基-4-甲基-3-吡咯啉-2-酮

Also known as: 3-Ethyl-4-methyl-2-oxo-3-pyrroline, 1,5-Dihydro-3-ethyl-4-methyl-2H-pyrrol-2-one, 3-Ethyl-1,5-dihydro-4-methyl-2H-pyrrol-2-one, 3-Ethyl-4-methyl-1,5-dihydro-2H-pyrrol-2-one, 3-Ethyl-4-methyl-1,5-dihydropyrrol-2-one, 3-ETHYL-1,5-DIHYDRO-4-METHYL-2H-PYRROL-2-ONE, 3-ETHYL-4-METHYL-2-OXO-3-PYROLINE, 3-ETHYL-4-METHYL-3-PYRROLIN-2-ONE

3-Ethyl-4-methyl-3-pyrrolin-2-one (CAS 766-36-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C7H11NO and a molecular weight of 125.168 g/mol. It is also known as 3-Ethyl-4-methyl-2-oxo-3-pyrroline, 1,5-Dihydro-3-ethyl-4-methyl-2H-pyrrol-2-one and 3-Ethyl-1,5-dihydro-4-methyl-2H-pyrrol-2-one. Key properties include a melting point of 100-104 °C(lit.), a boiling point of 279.0±23.0 °C at 760 mmHg, a density of 1.0±0.1 g/cm3 and a flash point of 156.6±7.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
766-36-9
Jingsj CID
J-30617-7
Molecular Formula
C7H11NO
Chinese Name
3-乙基-4-甲基-3-吡咯啉-2-酮
Molecular Weight
125.168 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point100-104 °C(lit.)
Boiling Point279.0±23.0 °C at 760 mmHg
Density1.0±0.1 g/cm3
Flash Point156.6±7.6 °C

Frequently Asked Questions

What is the CAS number of 3-Ethyl-4-methyl-3-pyrrolin-2-one?

The CAS number of 3-Ethyl-4-methyl-3-pyrrolin-2-one is 766-36-9.

What are the molecular formula and molecular weight of 3-Ethyl-4-methyl-3-pyrrolin-2-one?

3-Ethyl-4-methyl-3-pyrrolin-2-one has molecular formula C7H11NO and molecular weight 125.168 g/mol.

Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "3-Ethyl-4-methyl-3-pyrrolin-2-one (CAS 766-36-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-30617-7 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.