2,4'-Bipyridine
Also known as: 2,4'-Dipyridyl, 4-Pyridylpyridine, 2,4'-Bipyridyl, 2-pyridin-4-ylpyridine
2,4'-Bipyridine (CAS 581-47-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H8N2 and a molecular weight of 156.184 g/mol. Key properties include a melting point of 58-62 °C, a boiling point of 280.8±15.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 105.7±12.0 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 581-47-5
- Jingsj CID
- J-1993521-8
- Molecular Formula
- C10H8N2
- Molecular Weight
- 156.184 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 58-62 °C |
|---|---|
| Boiling Point | 280.8±15.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 105.7±12.0 °C |
| Exact Mass | 156.068741 |
| PSA | 25.78000 |
| LogP | 1.24 |
| Vapor Pressure | 0.0±0.6 mmHg at 25°C |
| Refractive Index | 1.581 |
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 2,4'-Bipyridine?
The CAS number of 2,4'-Bipyridine is 581-47-5.
What are the molecular formula and molecular weight of 2,4'-Bipyridine?
2,4'-Bipyridine has molecular formula C10H8N2 and molecular weight 156.184 g/mol.
What are the upstream and downstream products of 2,4'-Bipyridine?
For 2,4'-Bipyridine, Upstream Products: 2-(Phenylsulfonyl)pyridine, 2-Chloropyridine, Pyridine-4-boronic acid; Downstream Products: 2-(Piperidin-4-yl)pyridine dihydrochloride, 2-(4-Piperidinyl)pyridine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "2,4'-Bipyridine (CAS 581-47-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1993521-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.