5-Methyl-2-pyrrolidinone
5-甲基-2-吡咯烷酮
Also known as: 2-Pyrrolidinone,5-methyl-, 5-Methylpyrrolidin-2-one, (R,S)-5-Methyl-pyrrolidin-2-one, 5-Methyl-2-pyrrolidone, 5-Methylbutyrolactam
5-Methyl-2-pyrrolidinone (CAS 108-27-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NO and a molecular weight of 99.13110 g/mol. It is also known as 2-Pyrrolidinone,5-methyl-, 5-Methylpyrrolidin-2-one and (R,S)-5-Methyl-pyrrolidin-2-one. Key properties include a melting point of 41-43ºC(lit.), a boiling point of 248ºC(lit.), a density of 0.979g/cm3 and a flash point of >230 °F. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 108-27-0
- Jingsj CID
- J-24550-6
- Molecular Formula
- C5H9NO
- Chinese Name
- 5-甲基-2-吡咯烷酮
- Molecular Weight
- 99.13110 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 41-43ºC(lit.) |
|---|---|
| Boiling Point | 248ºC(lit.) |
| Density | 0.979g/cm3 |
| Flash Point | >230 °F |
GHS Safety & Compliance
Frequently Asked Questions
What is the CAS number of 5-Methyl-2-pyrrolidinone?
The CAS number of 5-Methyl-2-pyrrolidinone is 108-27-0.
What are the molecular formula and molecular weight of 5-Methyl-2-pyrrolidinone?
5-Methyl-2-pyrrolidinone has molecular formula C5H9NO and molecular weight 99.13110 g/mol.
Is 5-Methyl-2-pyrrolidinone hazardous?
5-Methyl-2-pyrrolidinone has GHS signal word Warning.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Methyl-2-pyrrolidinone (CAS 108-27-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-24550-6 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.