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4,7-Dichloro-1,10-phenanthroline

4,7-二氯-1,10-菲咯啉

Also known as: 1,10-Phenanthroline, 4,7-dichloro-, 4,7-Dichloro-o-phenanthroline, NSC 626, 4,7-Dichloro-1,10-phenanthroline hydrate

4,7-Dichloro-1,10-phenanthroline (CAS 5394-23-0) is a compound in the Organohalogen Compounds category listed in the Jingsj chemical database. It has the molecular formula C12H6Cl2N2 and a molecular weight of 249.095 g/mol. It is also known as 1,10-Phenanthroline, 4,7-dichloro-, 4,7-Dichloro-o-phenanthroline and NSC 626. Key properties include a melting point of 243-247 °C, a boiling point of 395.9±37.0 °C at 760 mmHg, a density of 1.5±0.1 g/cm3 and a flash point of 225.5±12.1 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
5394-23-0
Jingsj CID
J-1451664-7
Molecular Formula
C12H6Cl2N2
Chinese Name
4,7-二氯-1,10-菲咯啉
Molecular Weight
249.095 g/mol
Category
Organohalogen Compounds
Last updated
8/21/2026

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Physicochemical Properties

Melting Point243-247 °C
Boiling Point395.9±37.0 °C at 760 mmHg
Density1.5±0.1 g/cm3
Flash Point225.5±12.1 °C

GHS Safety & Compliance

Corrosion / Acute ToxicitySignal word: Danger

Frequently Asked Questions

What is the CAS number of 4,7-Dichloro-1,10-phenanthroline?

The CAS number of 4,7-Dichloro-1,10-phenanthroline is 5394-23-0.

What are the molecular formula and molecular weight of 4,7-Dichloro-1,10-phenanthroline?

4,7-Dichloro-1,10-phenanthroline has molecular formula C12H6Cl2N2 and molecular weight 249.095 g/mol.

Is 4,7-Dichloro-1,10-phenanthroline hazardous?

4,7-Dichloro-1,10-phenanthroline 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. "4,7-Dichloro-1,10-phenanthroline (CAS 5394-23-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1451664-7 (accessed 2026-10-24).

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