3,3'-Bipyridine

Also known as: 3,3'-Bipyridyl, 3-pyridin-3-ylpyridine, 3,3'-Dipyridyl

3,3'-Bipyridine (CAS 581-46-4) 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 156.18400 g/mol. Key properties include a boiling point of 291.5ºC at 760mmHg, a density of 1.106g/cm3 and a flash point of 115.6ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 581-46-4
Jingsj CID: J-1385391-3
Molecular Formula: C₁₀H₈N₂
Molecular Weight: 156.18400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	291.5ºC at 760mmHg
Density	1.106g/cm3
Flash Point	115.6ºC
Exact Mass	156.06900
PSA	25.78000
LogP	2.14360
Refractive Index	1.58

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 3,3'-Bipyridine?

The CAS number of 3,3'-Bipyridine is 581-46-4.

What are the molecular formula and molecular weight of 3,3'-Bipyridine?

3,3'-Bipyridine has molecular formula C10H8N2 and molecular weight 156.18400 g/mol.

What are the upstream and downstream products of 3,3'-Bipyridine?

For 3,3'-Bipyridine, Upstream Products: 3-Bromopyridine, 3-Chloropyridine, 3-Pyridineboronic acid; Downstream Products: Nicotinic acid, 3-(piperidin-3-yl)pyridine.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated: 8/21/2026

How to cite: Jingsj. "3,3'-Bipyridine (CAS 581-46-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1385391-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.