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Bis(4-fluorophenyl)sulfoxide

4,4'-二氟二苯亚砜

Also known as: 4,4'-Difluorodiphenyl sulfoxide, 4,4'-difluorodiphenyl sulphoxide, Bis(4-fluorophenyl) sulfoxide, Bis(p-fluorophenyl) sulfoxide, 1,1'-Sulfinylbis(4-fluorobenzene), 1,1'-Sulfinylbis[4-fluorobenzene], 1-fluoro-4-(4-fluorophenyl)sulfinylbenzene, Bis[4-fluorophenyl] sulfoxide, di(p-fluorophenyl) sulphoxide, di-(4-fluorophenyl)sulfoxide

Bis(4-fluorophenyl)sulfoxide (CAS 395-25-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H8F2OS and a molecular weight of 238.253 g/mol. It is also known as 4,4'-Difluorodiphenyl sulfoxide, 4,4'-difluorodiphenyl sulphoxide and Bis(4-fluorophenyl) sulfoxide. Key properties include a boiling point of 347.3±27.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 163.8±23.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
395-25-5
Jingsj CID
J-1133637-4
Molecular Formula
C12H8F2OS
Chinese Name
4,4'-二氟二苯亚砜
Molecular Weight
238.253 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point347.3±27.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point163.8±23.7 °C

Frequently Asked Questions

What is the CAS number of Bis(4-fluorophenyl)sulfoxide?

The CAS number of Bis(4-fluorophenyl)sulfoxide is 395-25-5.

What are the molecular formula and molecular weight of Bis(4-fluorophenyl)sulfoxide?

Bis(4-fluorophenyl)sulfoxide has molecular formula C12H8F2OS and molecular weight 238.253 g/mol.

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

Last updated:

How to cite: Jingsj. "Bis(4-fluorophenyl)sulfoxide (CAS 395-25-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1133637-4 (accessed 2026-10-26).

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