2-Chloro-3-nitropyridin-4-ol

2-氯-3-硝基-4-羟基吡啶

Also known as: 2-Chloro-3-nitro-4-pyridinol, 2-Chloro-3-nitro-4-hydroxypyridine, 2-Chloro-3-nitro-1H-pyridin-4-one, 4-Pyridinol, 2-chloro-3-nitro-

2-Chloro-3-nitropyridin-4-ol (CAS 629655-23-8) 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 2-Chloro-3-nitro-4-pyridinol, 2-Chloro-3-nitro-4-hydroxypyridine and 2-Chloro-3-nitro-1H-pyridin-4-one. Key properties include a boiling point of 408.2±40.0 °C at 760 mmHg, a density of 1.7±0.1 g/cm3 and a flash point of 200.7±27.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
629655-23-8
Jingsj CID
J-1515932-6
Molecular Formula
C5H3ClN2O3
Chinese Name
2-氯-3-硝基-4-羟基吡啶
Molecular Weight
174.542 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point408.2±40.0 °C at 760 mmHg
Density1.7±0.1 g/cm3
Flash Point200.7±27.3 °C

Frequently Asked Questions

What is the CAS number of 2-Chloro-3-nitropyridin-4-ol?

The CAS number of 2-Chloro-3-nitropyridin-4-ol is 629655-23-8.

What are the molecular formula and molecular weight of 2-Chloro-3-nitropyridin-4-ol?

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

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

Last updated:

How to cite: Jingsj. "2-Chloro-3-nitropyridin-4-ol (CAS 629655-23-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1515932-6 (accessed 2026-10-22).

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