2,2'-Dichloro-3,4'-bipyridine

Also known as: 2,2'-Dichloro-[3,4']-bipyridine, 2,2'-dichloro-3,4'-bipyridine, 2-chloro-3-(2-chloropyridin-4-yl)pyridine

2,2'-Dichloro-3,4'-bipyridine (CAS 643082-10-4) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C10H6Cl2N2 and a molecular weight of 225.07400 g/mol. Key properties include a boiling point of 340.3ºC at 760 mmHg, a density of 1.363g/cm3 and a flash point of 190.1ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 643082-10-4
Jingsj CID: J-17951-1
Molecular Formula: C₁₀H₆Cl₂N₂
Molecular Weight: 225.07400 g/mol
Category: Pharma Intermediates
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	340.3ºC at 760 mmHg
Density	1.363g/cm3
Flash Point	190.1ºC
Exact Mass	223.99100
PSA	25.78000
LogP	3.45040
Refractive Index	1.604

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 2,2'-Dichloro-3,4'-bipyridine?

The CAS number of 2,2'-Dichloro-3,4'-bipyridine is 643082-10-4.

What are the molecular formula and molecular weight of 2,2'-Dichloro-3,4'-bipyridine?

2,2'-Dichloro-3,4'-bipyridine has molecular formula C10H6Cl2N2 and molecular weight 225.07400 g/mol.

What are the upstream and downstream products of 2,2'-Dichloro-3,4'-bipyridine?

For 2,2'-Dichloro-3,4'-bipyridine, Upstream Products: 2-Chloro-3-iodopyridine, (2-Chloro-4-pyridinyl)boronic acid, 4-Bromo-2-chloropyridine.

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. "2,2'-Dichloro-3,4'-bipyridine (CAS 643082-10-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-17951-1 (accessed 2026-11-09).

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