4-Hydroxy-2-pyrrolidinone

4-羟基-2-吡咯烷酮

Also known as: 4-Hydroxypyrrolidin-2-one, 4-Hydroxy-2-pyrrolidone, 4-Hydroxy-pyrrolidin-2-one, 4-Hydroxypyrrolidine-2-one, 4-hydroxy-2-oxopyrrolidine, rac 4-Hydroxy-2-pyrrolidinone, (+/-)-4-Hydroxypyrrolidone, DL-2-Oxo-4-hydroxy-pyrrolidine, beta-Hydroxy-gamma-aminobutyrolactam

4-Hydroxy-2-pyrrolidinone (CAS 25747-41-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C4H7NO2 and a molecular weight of 101.104 g/mol. It is also known as 4-Hydroxypyrrolidin-2-one, 4-Hydroxy-2-pyrrolidone and 4-Hydroxy-pyrrolidin-2-one. Key properties include a melting point of 121 °C, a boiling point of 363.6±35.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 173.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
25747-41-5
Jingsj CID
J-1144633-2
Molecular Formula
C4H7NO2
Chinese Name
4-羟基-2-吡咯烷酮
Molecular Weight
101.104 g/mol
Category
Ketones
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point121 °C
Boiling Point363.6±35.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point173.7±25.9 °C

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-2-pyrrolidinone?

The CAS number of 4-Hydroxy-2-pyrrolidinone is 25747-41-5.

What are the molecular formula and molecular weight of 4-Hydroxy-2-pyrrolidinone?

4-Hydroxy-2-pyrrolidinone has molecular formula C4H7NO2 and molecular weight 101.104 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Hydroxy-2-pyrrolidinone (CAS 25747-41-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1144633-2 (accessed 2026-10-24).

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