4-Chloro-2,5-difluoropyridine

4-氯-2,5-二氟吡啶

Also known as: 2,5-Difluoro-4-chloropyridine, Pyridine, 4-chloro-2,5-difluoro-, Pyridine,4-chloro-2,5-difluoro-

4-Chloro-2,5-difluoropyridine (CAS 851386-40-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H2ClF2N and a molecular weight of 149.526 g/mol. It is also known as 2,5-Difluoro-4-chloropyridine, Pyridine, 4-chloro-2,5-difluoro- and Pyridine,4-chloro-2,5-difluoro-. Key properties include a boiling point of 146.9±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 42.6±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
851386-40-8
Jingsj CID
J-1494616-1
Molecular Formula
C5H2ClF2N
Chinese Name
4-氯-2,5-二氟吡啶
Molecular Weight
149.526 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point146.9±35.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point42.6±25.9 °C

Frequently Asked Questions

What is the CAS number of 4-Chloro-2,5-difluoropyridine?

The CAS number of 4-Chloro-2,5-difluoropyridine is 851386-40-8.

What are the molecular formula and molecular weight of 4-Chloro-2,5-difluoropyridine?

4-Chloro-2,5-difluoropyridine has molecular formula C5H2ClF2N and molecular weight 149.526 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Chloro-2,5-difluoropyridine (CAS 851386-40-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1494616-1 (accessed 2026-10-25).

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