1,3-Difluorobenzene

1,3-二氟苯

Also known as: m-Difluorobenzene, 1,3-DFB, 1,3-Difluorbenzol, m-difluoro-benzen, meta-Difluorobenzene, Benzene, 1,3-difluoro-, Benzene, m-difluoro-, DIFLOUROBENZENE, Difluoro-1,3-benzene, MFCD00000327, EINECS 206-746-5

1,3-Difluorobenzene (CAS 372-18-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H4F2 and a molecular weight of 114.093 g/mol. It is also known as m-Difluorobenzene, 1,3-DFB and 1,3-Difluorbenzol. Key properties include a melting point of -59 °C, a boiling point of 83.9±13.0 °C at 760 mmHg, a density of 1.2±0.1 g/cm3 and a flash point of 2.2±0.0 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
372-18-9
Jingsj CID
J-1524009-1
Molecular Formula
C6H4F2
Chinese Name
1,3-二氟苯
Molecular Weight
114.093 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point-59 °C
Boiling Point83.9±13.0 °C at 760 mmHg
Density1.2±0.1 g/cm3
Flash Point2.2±0.0 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 1,3-Difluorobenzene?

The CAS number of 1,3-Difluorobenzene is 372-18-9.

What are the molecular formula and molecular weight of 1,3-Difluorobenzene?

1,3-Difluorobenzene has molecular formula C6H4F2 and molecular weight 114.093 g/mol.

Is 1,3-Difluorobenzene hazardous?

1,3-Difluorobenzene 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. "1,3-Difluorobenzene (CAS 372-18-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1524009-1 (accessed 2026-10-22).

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