1,5-Dihydro-2H-pyrrol-2-one
1,5-二氢-2H-吡咯-2-酮
Also known as: 3-Pyrrolin-2-one, 1,5-Dihydro-pyrrol-2-one, 2H-Pyrrol-2-one, 1,5-dihydro-, 1H-Pyrrol-2(5H)-one, 1H-Pyrrole-2(5H)-one
1,5-Dihydro-2H-pyrrol-2-one (CAS 4031-15-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H5NO and a molecular weight of 83.08860 g/mol. It is also known as 3-Pyrrolin-2-one, 1,5-Dihydro-pyrrol-2-one and 2H-Pyrrol-2-one, 1,5-dihydro-. Key properties include a melting point of 140 ºC and a density of 1.114±0.06 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 4031-15-6
- Jingsj CID
- J-1031766-4
- Molecular Formula
- C4H5NO
- Chinese Name
- 1,5-二氢-2H-吡咯-2-酮
- Molecular Weight
- 83.08860 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 140 ºC |
|---|---|
| Density | 1.114±0.06 g/cm3 |
Frequently Asked Questions
What is the CAS number of 1,5-Dihydro-2H-pyrrol-2-one?
The CAS number of 1,5-Dihydro-2H-pyrrol-2-one is 4031-15-6.
What are the molecular formula and molecular weight of 1,5-Dihydro-2H-pyrrol-2-one?
1,5-Dihydro-2H-pyrrol-2-one has molecular formula C4H5NO and molecular weight 83.08860 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1,5-Dihydro-2H-pyrrol-2-one (CAS 4031-15-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1031766-4 (accessed 2026-10-22).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.