4-Hydroxy-2(1H)-pyridinone

4-羟基-2(1H)-吡啶酮

Also known as: 2,4-Pyridinediol, 2,4-Dihydroxypyridine, Pyridine-2,4-diol, 3-Deazauracil, 4-Hydroxy-2-pyridone, 2(1H)-Pyridinone, 4-hydroxy-, Gimeracil Impurity 17, Gimidine BBH Impurity

4-Hydroxy-2(1H)-pyridinone (CAS 84719-31-3) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H5NO2 and a molecular weight of 111.09900 g/mol. It is also known as 2,4-Pyridinediol, 2,4-Dihydroxypyridine and Pyridine-2,4-diol. Key properties include a melting point of 272-276ºC, a boiling point of 270.9ºC, a density of 1.379 g/cm3 and a flash point of 117.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
84719-31-3
Jingsj CID
J-1392815-9
Molecular Formula
C5H5NO2
Chinese Name
4-羟基-2(1H)-吡啶酮
Molecular Weight
111.09900 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point272-276ºC
Boiling Point270.9ºC
Density1.379 g/cm3
Flash Point117.6ºC

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-2(1H)-pyridinone?

The CAS number of 4-Hydroxy-2(1H)-pyridinone is 84719-31-3.

What are the molecular formula and molecular weight of 4-Hydroxy-2(1H)-pyridinone?

4-Hydroxy-2(1H)-pyridinone has molecular formula C5H5NO2 and molecular weight 111.09900 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(1H)-pyridinone (CAS 84719-31-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1392815-9 (accessed 2026-10-25).

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