5-Chloro-2,3-difluoropyridine
Also known as: 2,3-Difluoro-5-chloropyridine, Pyridine, 5-chloro-2,3-difluoro-, 5-CHLORO-2,3-DIFLUORO PYRIDINE, EINECS 410-090-7, MFCD04039314
5-Chloro-2,3-difluoropyridine (CAS 89402-43-7) 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. Key properties include a melting point of 47-49ºC, a boiling point of 142.4±35.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 39.9±25.9 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H302 — Harmful if swallowed and H412 — Harmful to aquatic life with long lasting effects. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 89402-43-7
- Jingsj CID
- J-1492380-9
- Molecular Formula
- C5H2ClF2N
- Molecular Weight
- 149.526 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 47-49ºC |
|---|---|
| Boiling Point | 142.4±35.0 °C at 760 mmHg |
| Density | 1.5±0.1 g/cm3 |
| Flash Point | 39.9±25.9 °C |
| Exact Mass | 148.984390 |
| PSA | 12.89000 |
| LogP | 1.14 |
| Vapor Pressure | 7.0±0.3 mmHg at 25°C |
| Refractive Index | 1.479 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H302 — Harmful if swallowed
- H412 — Harmful to aquatic life with long lasting effects
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 5-Chloro-2,3-difluoropyridine?
The CAS number of 5-Chloro-2,3-difluoropyridine is 89402-43-7.
What are the molecular formula and molecular weight of 5-Chloro-2,3-difluoropyridine?
5-Chloro-2,3-difluoropyridine has molecular formula C5H2ClF2N and molecular weight 149.526 g/mol.
Is 5-Chloro-2,3-difluoropyridine hazardous?
5-Chloro-2,3-difluoropyridine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H302 — Harmful if swallowed; H412 — Harmful to aquatic life with long lasting effects.
What are the upstream and downstream products of 5-Chloro-2,3-difluoropyridine?
For 5-Chloro-2,3-difluoropyridine, Upstream Products: 2,5-Dichloro-3-fluoropyridine, Caesium fluoride, 2,3,5-Trichloropyridine; Downstream Products: 3-Fluoropyridine, 3-Chloro-5-fluoropyridine, 5-Chloro-3-fluoropyridin-2-ol.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "5-Chloro-2,3-difluoropyridine (CAS 89402-43-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492380-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.