5,6,7,8-Tetrafluorobenzo-1,4-dioxane

5,6,7,8-四氟苯并-1,4-二氧六环

Also known as: 1,4-Benzodioxin, 5,6,7,8-tetrafluoro-2,3-dihydro-, 5,6,7,8-Tetrafluoro-2,3-dihydro-1,4-benzodioxine, 5,6,7,8-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine, 5,6,7,8-Tetrafluoro-2,3-dihydro-1,4-benzodioxin, 5,6,7,8-Tetrafluorobenzo-1,4-dioxene, 5,6,7,8-Tetrafluor-1,4-benzodioxan, 5,6,7,8-Tetrafluor-2,3-dihydro-1,4-benzo-dioxin, 5,6,7,8-tetrafluoro-1,4-benzodioxane, PC9876

5,6,7,8-Tetrafluorobenzo-1,4-dioxane (CAS 1743-87-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H4F4O2 and a molecular weight of 208.11000 g/mol. It is also known as 1,4-Benzodioxin, 5,6,7,8-tetrafluoro-2,3-dihydro-, 5,6,7,8-Tetrafluoro-2,3-dihydro-1,4-benzodioxine and 5,6,7,8-Tetrafluoro-2,3-dihydrobenzo[b][1,4]dioxine. Key properties include a melting point of 78-79ºC, a boiling point of 187.6ºC at 760mmHg, a density of 1.539g/cm3 and a flash point of 73.7ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
1743-87-9
Jingsj CID
J-1518990-3
Molecular Formula
C8H4F4O2
Chinese Name
5,6,7,8-四氟苯并-1,4-二氧六环
Molecular Weight
208.11000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point78-79ºC
Boiling Point187.6ºC at 760mmHg
Density1.539g/cm3
Flash Point73.7ºC

Frequently Asked Questions

What is the CAS number of 5,6,7,8-Tetrafluorobenzo-1,4-dioxane?

The CAS number of 5,6,7,8-Tetrafluorobenzo-1,4-dioxane is 1743-87-9.

What are the molecular formula and molecular weight of 5,6,7,8-Tetrafluorobenzo-1,4-dioxane?

5,6,7,8-Tetrafluorobenzo-1,4-dioxane has molecular formula C8H4F4O2 and molecular weight 208.11000 g/mol.

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

Last updated:

How to cite: Jingsj. "5,6,7,8-Tetrafluorobenzo-1,4-dioxane (CAS 1743-87-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1518990-3 (accessed 2026-10-25).

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