3,5-Difluoropyridine

3,5-二氟吡啶

Also known as: Pyridine, 3,5-difluoro-, 3,5-Difluoropyridine

3,5-Difluoropyridine (CAS 71902-33-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3F2N and a molecular weight of 115.081 g/mol. It is also known as Pyridine, 3,5-difluoro-. Key properties include a boiling point of 79.4±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 1.9±21.8 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
71902-33-5
Jingsj CID
J-21311-8
Molecular Formula
C5H3F2N
Chinese Name
3,5-二氟吡啶
Molecular Weight
115.081 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point79.4±20.0 °C at 760 mmHg
Density1.3±0.1 g/cm3
Flash Point1.9±21.8 °C

GHS Safety & Compliance

Flammable / Irritant / Environmental HazardSignal word: Danger

Frequently Asked Questions

What is the CAS number of 3,5-Difluoropyridine?

The CAS number of 3,5-Difluoropyridine is 71902-33-5.

What are the molecular formula and molecular weight of 3,5-Difluoropyridine?

3,5-Difluoropyridine has molecular formula C5H3F2N and molecular weight 115.081 g/mol.

Is 3,5-Difluoropyridine hazardous?

3,5-Difluoropyridine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "3,5-Difluoropyridine (CAS 71902-33-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21311-8 (accessed 2026-10-22).

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