3,5-dichloropyridin-2-ol

3,5-二氯-2-羟基吡啶

Also known as: 3,5-Dichloro-2-pyridone, 2-Hydroxy-3,5-dichloropyridine, 3,5-Dichloropyridin-2(1H)-one, 3,5-Dichloro-1H-pyridin-2-one, 3,5-Dichloro-2-pyridinol, 3,5-Dichloro-2-hydroxypyridine, 3,5-Dichloro-2(1H)-pyridinone, 2(1H)-Pyridinone, 3,5-dichloro-, 2-Pyridinol, 3,5-dichloro-

CAS No.
5437-33-2
Jingsj CID
J-1412359-5
Molecular Formula
C5H3Cl2NO
Chinese Name
3,5-二氯-2-羟基吡啶
Molecular Weight
163.989 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point180-182 °C(lit.)
Boiling Point293.9±35.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point131.5±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3,5-dichloropyridin-2-ol?

5437-33-2

What are the molecular formula and molecular weight of 3,5-dichloropyridin-2-ol?

C5H3Cl2NO, molecular weight 163.989 g/mol

Is 3,5-dichloropyridin-2-ol hazardous?

Warning

Data compiled from public chemical databases and supplier catalogs; verify specifications with suppliers before purchase. · Last updated: 8/21/2026