2,9-Diphenyl-1,10-phenanthroline

Also known as: 1,10-Phenanthroline, 2,9-diphenyl-, 2,9-Diphenyl-[1,10]phenanthroline, 2,9-diphenylphenanthroline, D3849

2,9-Diphenyl-1,10-phenanthroline (CAS 25677-69-4) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H16N2 and a molecular weight of 332.39700 g/mol. Key properties include a melting point of 188 °C, a boiling point of 559.5ºC at 760 mmHg, a density of 1.21g/cm3 and a flash point of 251.5ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 25677-69-4
Jingsj CID: J-972372-2
Molecular Formula: C₂₄H₁₆N₂
Molecular Weight: 332.39700 g/mol
Category: Aromatic Hydrocarbons
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	188 °C
Boiling Point	559.5ºC at 760 mmHg
Density	1.21g/cm3
Flash Point	251.5ºC
Exact Mass	332.13100
PSA	25.78000
LogP	6.11700
Vapor Pressure	5.62E-12mmHg at 25°C
Refractive Index	1.709

Frequently Asked Questions

What is the CAS number of 2,9-Diphenyl-1,10-phenanthroline?

The CAS number of 2,9-Diphenyl-1,10-phenanthroline is 25677-69-4.

What are the molecular formula and molecular weight of 2,9-Diphenyl-1,10-phenanthroline?

2,9-Diphenyl-1,10-phenanthroline has molecular formula C24H16N2 and molecular weight 332.39700 g/mol.

What are the upstream and downstream products of 2,9-Diphenyl-1,10-phenanthroline?

For 2,9-Diphenyl-1,10-phenanthroline, Upstream Products: 1,10-Phenanthroline, Phenyllithium, 2,9-Dichloro-1,10-phenanthroline.

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. "2,9-Diphenyl-1,10-phenanthroline (CAS 25677-69-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-972372-2 (accessed 2026-11-09).

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