2,2'-Biquinoline

2,2'-联喹啉

Also known as: 2,2'-Diquinolyl, Cuproine, 2-quinolin-2-ylquinoline, 2,2'-Biquinolyl

2,2'-Biquinoline (CAS 119-91-5) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C18H12N2 and a molecular weight of 256.301 g/mol. It is also known as 2,2'-Diquinolyl, Cuproine and 2-quinolin-2-ylquinoline. Key properties include a melting point of 192-195 °C(lit.), a boiling point of 456.1±30.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 203.6±15.8 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
119-91-5
Jingsj CID
J-15257-0
Molecular Formula
C18H12N2
Chinese Name
2,2'-联喹啉
Molecular Weight
256.301 g/mol
Category
Pharma Intermediates
Last updated
8/21/2026

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Physicochemical Properties

Melting Point192-195 °C(lit.)
Boiling Point456.1±30.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point203.6±15.8 °C

Frequently Asked Questions

What is the CAS number of 2,2'-Biquinoline?

The CAS number of 2,2'-Biquinoline is 119-91-5.

What are the molecular formula and molecular weight of 2,2'-Biquinoline?

2,2'-Biquinoline has molecular formula C18H12N2 and molecular weight 256.301 g/mol.

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

Last updated:

How to cite: Jingsj. "2,2'-Biquinoline (CAS 119-91-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-15257-0 (accessed 2026-10-22).

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