4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride

4-溴-2-三氟甲氧基苯-1-磺酰氯

Also known as: 2-Trifluoromethoxy-4-bromobenzenesulfonyl chloride, 4-Bromo-2-(trifluoromethoxy)benzene-1-sulfonyl chloride, Benzenesulfonyl chloride, 4-bromo-2-(trifluoromethoxy)-, 4-Bromo-2-(trifluoromethoxy)benzenesulphonyl chloride

4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride (CAS 175278-14-5) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C7H3BrClF3O3S and a molecular weight of 339.514 g/mol. It is also known as 2-Trifluoromethoxy-4-bromobenzenesulfonyl chloride, 4-Bromo-2-(trifluoromethoxy)benzene-1-sulfonyl chloride and Benzenesulfonyl chloride, 4-bromo-2-(trifluoromethoxy)-. Key properties include a melting point of 86-88°C (lit.), a boiling point of 289.8±40.0 °C at 760 mmHg, a density of 1.9±0.1 g/cm3 and a flash point of 129.0±27.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
175278-14-5
Jingsj CID
J-46374-4
Molecular Formula
C7H3BrClF3O3S
Chinese Name
4-溴-2-三氟甲氧基苯-1-磺酰氯
Molecular Weight
339.514 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point86-88°C (lit.)
Boiling Point289.8±40.0 °C at 760 mmHg
Density1.9±0.1 g/cm3
Flash Point129.0±27.3 °C

GHS Safety & Compliance

CorrosionSignal word: Danger

Frequently Asked Questions

What is the CAS number of 4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride?

The CAS number of 4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride is 175278-14-5.

What are the molecular formula and molecular weight of 4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride?

4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride has molecular formula C7H3BrClF3O3S and molecular weight 339.514 g/mol.

Is 4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride hazardous?

4-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride 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-Bromo-2-(trifluoromethoxy)benzenesulfonyl chloride (CAS 175278-14-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-46374-4 (accessed 2026-10-23).

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