3,5-Dichloropyridine
Also known as: 3,5-dichloropyridine, 3,5-dichloro-pyridine, 3,5-dichlorpyridine, 3,5-Dichlor-pyridin, Dichloropyridine, Pyridine, 3,5-dichloro-, MFCD00006376, EINECS 219-537-9
3,5-Dichloropyridine (CAS 2457-47-8) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C5H3Cl2N and a molecular weight of 147.99 g/mol. Key properties include a melting point of 65-67°C, a boiling point of 173.7±20.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 73.4±7.4 °C. It is classified under GHS with signal word Danger and hazard statements H302 — Harmful if swallowed, H315 — Causes skin irritation and H318 — Causes serious eye damage. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2457-47-8
- Jingsj CID
- J-35347-9
- Molecular Formula
- C5H3Cl2N
- Molecular Weight
- 147.99 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 65-67°C |
|---|---|
| Boiling Point | 173.7±20.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 73.4±7.4 °C |
| Exact Mass | 146.964249 |
| PSA | 12.89000 |
| LogP | 2.42 |
| Vapor Pressure | 1.7±0.3 mmHg at 25°C |
| Refractive Index | 1.554 |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- 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 3,5-Dichloropyridine?
The CAS number of 3,5-Dichloropyridine is 2457-47-8.
What are the molecular formula and molecular weight of 3,5-Dichloropyridine?
3,5-Dichloropyridine has molecular formula C5H3Cl2N and molecular weight 147.99 g/mol.
Is 3,5-Dichloropyridine hazardous?
3,5-Dichloropyridine has GHS signal word Danger and hazard statements H302 — Harmful if swallowed; H315 — Causes skin irritation; H318 — Causes serious eye damage.
What are the upstream and downstream products of 3,5-Dichloropyridine?
For 3,5-Dichloropyridine, Upstream Products: 2,3,5-Trichloropyridine, Pentachloropyridine, 2,3,4,5-tetrachloropyridine; Downstream Products: N-Fluoro-3,5-dichloropyridinium triflate, 3,5-dichloropyridin-2-ol, 5-Chloronicotinonitrile.
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-Dichloropyridine (CAS 2457-47-8)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-35347-9 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.