4-Chloro-3-fluoropyridine
Also known as: 3-FLUORO-4-CHLORO PYRIDINE, 3-Fluor-4-chlor-pyridin, 3-fluoro-4-chloropyridine, 4-CHLORO-3-FLUOROPYRIDINE, 4-chloro-3-fluoro-pyridin, 4-chloro-3-fluoro-pyridine, Chlorofluoropyridine 43---, Pyridine, 4-chloro-3-fluoro-
4-Chloro-3-fluoropyridine (CAS 2546-56-7) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3ClFN and a molecular weight of 131.535 g/mol. Key properties include a melting point of -24 °C, a boiling point of 138.9±20.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 37.8±21.8 °C. It is classified under GHS with signal word Warning and hazard statements H226 — Flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2546-56-7
- Jingsj CID
- J-26503-2
- Molecular Formula
- C5H3ClFN
- Molecular Weight
- 131.535 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -24 °C |
|---|---|
| Boiling Point | 138.9±20.0 °C at 760 mmHg |
| Density | 1.3±0.1 g/cm3 |
| Flash Point | 37.8±21.8 °C |
| Exact Mass | 130.993805 |
| PSA | 12.89000 |
| LogP | 1.32 |
| Vapor Pressure | 8.2±0.2 mmHg at 25°C |
| Refractive Index | 1.503 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 4-Chloro-3-fluoropyridine?
The CAS number of 4-Chloro-3-fluoropyridine is 2546-56-7.
What are the molecular formula and molecular weight of 4-Chloro-3-fluoropyridine?
4-Chloro-3-fluoropyridine has molecular formula C5H3ClFN and molecular weight 131.535 g/mol.
Is 4-Chloro-3-fluoropyridine hazardous?
4-Chloro-3-fluoropyridine has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of 4-Chloro-3-fluoropyridine?
For 4-Chloro-3-fluoropyridine, Upstream Products: 3-Fluoropyridine, 3-Chloro-4,5-difluoropyridine, 3,4-Dichloro-5-fluoropyridine; Downstream Products: 5-Fluoronicotinic acid, 3-Fluoropyridine-2-carboxylic acid.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "4-Chloro-3-fluoropyridine (CAS 2546-56-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26503-2 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.