2-Chloro-4-methyl-3-nitropyridine

2-氯-4-甲基-3-硝基吡啶

Also known as: 2-Chloro-3-nitro-4-picoline, 2-Chloro-3-nitro-4-methylpyridine, 3-Nitro-2-chloro-4-methylpyridine, 2-Chloro-4-methyl-3-NP, 2-Chlor-4-methyl-3-nitro-pyridin, Pyridine, 2-chloro-4-methyl-3-nitro-

2-Chloro-4-methyl-3-nitropyridine (CAS 23056-39-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C6H5ClN2O2 and a molecular weight of 172.57 g/mol. It is also known as 2-Chloro-3-nitro-4-picoline, 2-Chloro-3-nitro-4-methylpyridine and 3-Nitro-2-chloro-4-methylpyridine. Key properties include a melting point of 51-53 °C(lit.), a boiling point of 279.6±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 122.9±25.9 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
23056-39-5
Jingsj CID
J-7303-3
Molecular Formula
C6H5ClN2O2
Chinese Name
2-氯-4-甲基-3-硝基吡啶
Molecular Weight
172.57 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point51-53 °C(lit.)
Boiling Point279.6±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point122.9±25.9 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-Chloro-4-methyl-3-nitropyridine?

The CAS number of 2-Chloro-4-methyl-3-nitropyridine is 23056-39-5.

What are the molecular formula and molecular weight of 2-Chloro-4-methyl-3-nitropyridine?

2-Chloro-4-methyl-3-nitropyridine has molecular formula C6H5ClN2O2 and molecular weight 172.57 g/mol.

Is 2-Chloro-4-methyl-3-nitropyridine hazardous?

2-Chloro-4-methyl-3-nitropyridine 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. "2-Chloro-4-methyl-3-nitropyridine (CAS 23056-39-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-7303-3 (accessed 2026-10-22).

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