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2-Chloro-5-fluoro-3-nitropyridine

2-氯-5-氟-3-硝基吡啶

Also known as: 2-Chloro-3-nitro-5-fluoropyridine, 2-CHLORO-5-FLUORO-3-NITROPYRIDINE, 2-chloro-5-fluoro-3-nitro-pyridine, Pyridine, 2-chloro-5-fluoro-3-nitro-

2-Chloro-5-fluoro-3-nitropyridine (CAS 136888-21-6) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2ClFN2O2 and a molecular weight of 176.533 g/mol. It is also known as 2-Chloro-3-nitro-5-fluoropyridine, 2-CHLORO-5-FLUORO-3-NITROPYRIDINE and 2-chloro-5-fluoro-3-nitro-pyridine. Key properties include a melting point of 48.0 to 52.0 °C, a boiling point of 246.2±35.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 102.7±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
136888-21-6
Jingsj CID
J-1344146-3
Molecular Formula
C5H2ClFN2O2
Chinese Name
2-氯-5-氟-3-硝基吡啶
Molecular Weight
176.533 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point48.0 to 52.0 °C
Boiling Point246.2±35.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point102.7±25.9 °C

Frequently Asked Questions

What is the CAS number of 2-Chloro-5-fluoro-3-nitropyridine?

The CAS number of 2-Chloro-5-fluoro-3-nitropyridine is 136888-21-6.

What are the molecular formula and molecular weight of 2-Chloro-5-fluoro-3-nitropyridine?

2-Chloro-5-fluoro-3-nitropyridine has molecular formula C5H2ClFN2O2 and molecular weight 176.533 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-5-fluoro-3-nitropyridine (CAS 136888-21-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1344146-3 (accessed 2026-10-22).

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