4,4'-Bipyridine

4,4'-联吡啶

Also known as: 4,4'-bipyridyl, 4,4'-dipyridyl, gamma,gamma'-dipyridyl, 4-(4-pyridyl)pyridine, 4,4'-dipyridine

4,4'-Bipyridine (CAS 553-26-4) 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 156.184 g/mol. It is also known as 4,4'-bipyridyl, 4,4'-dipyridyl and gamma,gamma'-dipyridyl. Key properties include a melting point of 109-112 °C(lit.), a boiling point of 304.8±0.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 104.3±12.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
553-26-4
Jingsj CID
J-31887-7
Molecular Formula
C10H8N2
Chinese Name
4,4'-联吡啶
Molecular Weight
156.184 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Melting Point109-112 °C(lit.)
Boiling Point304.8±0.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point104.3±12.0 °C

GHS Safety & Compliance

Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,4'-Bipyridine?

The CAS number of 4,4'-Bipyridine is 553-26-4.

What are the molecular formula and molecular weight of 4,4'-Bipyridine?

4,4'-Bipyridine has molecular formula C10H8N2 and molecular weight 156.184 g/mol.

Is 4,4'-Bipyridine hazardous?

4,4'-Bipyridine has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "4,4'-Bipyridine (CAS 553-26-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-31887-7 (accessed 2026-10-22).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.