5-Hydroxy-1-methylpyrrolidin-2-one

5-羟基-1-甲基-2-吡咯烷酮

Also known as: 5-Hydroxy-N-methyl-2-pyrrolidinone, 5-Hydroxy-1-methyl-2-pyrrolidinone, 2-Pyrrolidinone, 5-hydroxy-1-methyl-

5-Hydroxy-1-methylpyrrolidin-2-one (CAS 41194-00-7) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C5H9NO2 and a molecular weight of 115.13000 g/mol. It is also known as 5-Hydroxy-N-methyl-2-pyrrolidinone, 5-Hydroxy-1-methyl-2-pyrrolidinone and 2-Pyrrolidinone. Key properties include a melting point of 52-55 °C, a boiling point of 275.912ºC at 760 mmHg, a density of 1.235 g/cm3 and a flash point of 120.668ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
41194-00-7
Jingsj CID
J-1069845-3
Molecular Formula
C5H9NO2
Chinese Name
5-羟基-1-甲基-2-吡咯烷酮
Molecular Weight
115.13000 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point52-55 °C
Boiling Point275.912ºC at 760 mmHg
Density1.235 g/cm3
Flash Point120.668ºC

Frequently Asked Questions

What is the CAS number of 5-Hydroxy-1-methylpyrrolidin-2-one?

The CAS number of 5-Hydroxy-1-methylpyrrolidin-2-one is 41194-00-7.

What are the molecular formula and molecular weight of 5-Hydroxy-1-methylpyrrolidin-2-one?

5-Hydroxy-1-methylpyrrolidin-2-one has molecular formula C5H9NO2 and molecular weight 115.13000 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Hydroxy-1-methylpyrrolidin-2-one (CAS 41194-00-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1069845-3 (accessed 2026-10-22).

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