3-chloro-5-nitropyridin-4-ol

3-氯-4-羟基-5-硝基吡啶

Also known as: 3-Chloro-4-hydroxy-5-nitropyridine, 5-Chloro-3-nitro-4-pyridinol, 3-Chloro-5-nitro-4(1H)-pyridinone, 3-Chloro-5-nitro-4-pyridinol, 3-chloro-5-nitro-1H-pyridin-4-one

3-chloro-5-nitropyridin-4-ol (CAS 31872-64-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClN2O3 and a molecular weight of 174.542 g/mol. It is also known as 3-Chloro-4-hydroxy-5-nitropyridine, 5-Chloro-3-nitro-4-pyridinol and 3-Chloro-5-nitro-4(1H)-pyridinone. Key properties include a melting point of 263℃, a boiling point of 273.9±40.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 119.5±27.3 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
31872-64-7
Jingsj CID
J-1363254-4
Molecular Formula
C5H3ClN2O3
Chinese Name
3-氯-4-羟基-5-硝基吡啶
Molecular Weight
174.542 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point263℃
Boiling Point273.9±40.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point119.5±27.3 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 3-chloro-5-nitropyridin-4-ol?

The CAS number of 3-chloro-5-nitropyridin-4-ol is 31872-64-7.

What are the molecular formula and molecular weight of 3-chloro-5-nitropyridin-4-ol?

3-chloro-5-nitropyridin-4-ol has molecular formula C5H3ClN2O3 and molecular weight 174.542 g/mol.

Is 3-chloro-5-nitropyridin-4-ol hazardous?

3-chloro-5-nitropyridin-4-ol has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "3-chloro-5-nitropyridin-4-ol (CAS 31872-64-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1363254-4 (accessed 2026-10-22).

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