4,4-Dimethyl-2-pyrrolidinone
4,4-二甲基-2-吡咯烷酮
Also known as: 4,4-Dimethyl-2-pyrrolidone, 4,4-dimethylpyrrolidin-2-one, 2-Pyrrolidinone, 4,4-dimethyl-, 4,4-Dimethylpyrrolidin-2-one
4,4-Dimethyl-2-pyrrolidinone (CAS 66899-02-3) 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. It is also known as 4,4-Dimethyl-2-pyrrolidone, 4,4-dimethylpyrrolidin-2-one and 2-Pyrrolidinone, 4,4-dimethyl-. Key properties include a melting point of 38-40ºC, a boiling point of 229.2±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 121.7±3.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 66899-02-3
- Jingsj CID
- J-1350347-3
- Molecular Formula
- C6H11NO
- Chinese Name
- 4,4-二甲基-2-吡咯烷酮
- Molecular Weight
- 113.158 g/mol
- Category
- Ketones
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 38-40ºC |
|---|---|
| Boiling Point | 229.2±9.0 °C at 760 mmHg |
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 121.7±3.7 °C |
Frequently Asked Questions
What is the CAS number of 4,4-Dimethyl-2-pyrrolidinone?
The CAS number of 4,4-Dimethyl-2-pyrrolidinone is 66899-02-3.
What are the molecular formula and molecular weight of 4,4-Dimethyl-2-pyrrolidinone?
4,4-Dimethyl-2-pyrrolidinone has molecular formula C6H11NO and molecular weight 113.158 g/mol.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4,4-Dimethyl-2-pyrrolidinone (CAS 66899-02-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1350347-3 (accessed 2026-10-24).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.