3-Chloro-2,4-dihydroxypyridine

3-氯-2,4-二羟基吡啶

Also known as: 2(1H)-Pyridinone, 3-chloro-4-hydroxy-, 2(1H)-Pyridinone,3-chloro-4-hydroxy-(9CI), 2,4-pyridinediol, 3-chloro-, 3-Chloro-2,4-Dihydroxypyridine, 3-Chloro-4-hydroxy-2(1H)-pyridinone, 3-Chloro-4-hydroxypyridin-2(1H)-one, 3-chloro-2-hydroxy-1H-pyridin-4-one, 3-chloro-4-hydroxy-1,2-dihydropyridin-2-one, 3-chloro-4-hydroxy-1H-pyridin-2-one, 3-Chloropyridine-2,4-diol

3-Chloro-2,4-dihydroxypyridine (CAS 103792-81-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H4ClNO2 and a molecular weight of 145.544 g/mol. It is also known as 2(1H)-Pyridinone, 3-chloro-4-hydroxy-, 2(1H)-Pyridinone,3-chloro-4-hydroxy-(9CI) and 2,4-pyridinediol, 3-chloro-. Key properties include a boiling point of 283.3±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 125.2±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
103792-81-0
Jingsj CID
J-1063077-4
Molecular Formula
C5H4ClNO2
Chinese Name
3-氯-2,4-二羟基吡啶
Molecular Weight
145.544 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point283.3±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point125.2±27.3 °C

Frequently Asked Questions

What is the CAS number of 3-Chloro-2,4-dihydroxypyridine?

The CAS number of 3-Chloro-2,4-dihydroxypyridine is 103792-81-0.

What are the molecular formula and molecular weight of 3-Chloro-2,4-dihydroxypyridine?

3-Chloro-2,4-dihydroxypyridine has molecular formula C5H4ClNO2 and molecular weight 145.544 g/mol.

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

Last updated:

How to cite: Jingsj. "3-Chloro-2,4-dihydroxypyridine (CAS 103792-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1063077-4 (accessed 2026-10-22).

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