4,5-Difluoro-1,2-phenylenediamine

4,5-二氟-1,2-苯二胺

Also known as: 1,2-Diamino-4,5-difluorobenzene, 4,5-Difluorobenzene-1,2-diamine, 4,5-Difluoro-1,2-benzenediamine, 1,2-Benzenediamine, 4,5-difluoro-, 4,5-Difluoro-o-phenylenediamine, 2-Amino-4,5-difluorophenylamine, 4,5-Difluorophenylene-1,2-diamine

4,5-Difluoro-1,2-phenylenediamine (CAS 76179-40-3) is a compound in the Organic Bases category listed in the Jingsj chemical database. It has the molecular formula C6H6F2N2 and a molecular weight of 144.122 g/mol. It is also known as 1,2-Diamino-4,5-difluorobenzene, 4,5-Difluorobenzene-1,2-diamine and 4,5-Difluoro-1,2-benzenediamine. Key properties include a melting point of 132ºC, a boiling point of 282.2±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 126.0±16.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 76179-40-3
Jingsj CID: J-1438418-9
Molecular Formula: C₆H₆F₂N₂
Chinese Name: 4,5-二氟-1,2-苯二胺
Molecular Weight: 144.122 g/mol
Category: Organic Bases
Last updated: 8/21/2026

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Physicochemical Properties

Melting Point	132ºC
Boiling Point	282.2±35.0 °C at 760 mmHg
Density	1.4±0.1 g/cm3
Flash Point	126.0±16.6 °C

Frequently Asked Questions

What is the CAS number of 4,5-Difluoro-1,2-phenylenediamine?

The CAS number of 4,5-Difluoro-1,2-phenylenediamine is 76179-40-3.

What are the molecular formula and molecular weight of 4,5-Difluoro-1,2-phenylenediamine?

4,5-Difluoro-1,2-phenylenediamine has molecular formula C6H6F2N2 and molecular weight 144.122 g/mol.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4,5-Difluoro-1,2-phenylenediamine (CAS 76179-40-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1438418-9 (accessed 2026-10-22).

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