3,5-Difluoropyridine
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. 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. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H312 — Harmful in contact with skin. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 71902-33-5
- Jingsj CID
- J-21311-6
- Molecular Formula
- C5H3F2N
- Molecular Weight
- 115.081 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 79.4±20.0 °C at 760 mmHg |
|---|---|
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 1.9±21.8 °C |
| Exact Mass | 115.023354 |
| PSA | 12.89000 |
| LogP | 0.85 |
| Vapor Pressure | 98.5±0.1 mmHg at 25°C |
| Refractive Index | 1.447 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H312 — Harmful in contact with skin
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H332 — Harmful if inhaled
- H335 — May cause respiratory irritation
- H400 — Very toxic to aquatic life
Customs & Trade Information
| HS Code | 2933399090 |
|---|---|
| Summary | 2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
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 and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H312 — Harmful in contact with skin.
What are the upstream and downstream products of 3,5-Difluoropyridine?
For 3,5-Difluoropyridine, Upstream Products: 3,5-Dichloropyridine, 2,3,5,6-Tetrafluoropyridine, Pentafluoropyridine; Downstream Products: 3,5-difluoro-4-iodopyridine, 1-(3,5-difluoropyridin-2-yl)-2-methoxyethanone, 4-Chloro-3,5-difluoropyridine.
Data compiled from public chemical databases such as PubChem 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-21311-6 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.