2-Bromo-1-(2,5-dichlorophenyl)ethanone

2-溴-1-(2,5-二氯苯基)乙酮

Also known as: 2-Bromo-2',5'-dichloroacetophenone, 2-Bromo-1-(2,5-dichlorophenyl)ethan-1-one, 2,5-Dichlorophenacyl bromide, 2-Bromo-1-(2,5-dichlorophenyl)ethanone

2-Bromo-1-(2,5-dichlorophenyl)ethanone (CAS 4571-25-9) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H5BrCl2O and a molecular weight of 267.93500 g/mol. It is also known as 2-Bromo-2',5'-dichloroacetophenone, 2-Bromo-1-(2,5-dichlorophenyl)ethan-1-one and 2,5-Dichlorophenacyl bromide. Key properties include a melting point of 33-35ºC, a boiling point of 292.7ºC at 760 mmHg, a density of 1.695g/cm3 and a flash point of 130.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
4571-25-9
Jingsj CID
J-1492567-4
Molecular Formula
C8H5BrCl2O
Chinese Name
2-溴-1-(2,5-二氯苯基)乙酮
Molecular Weight
267.93500 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point33-35ºC
Boiling Point292.7ºC at 760 mmHg
Density1.695g/cm3
Flash Point130.8ºC

Frequently Asked Questions

What is the CAS number of 2-Bromo-1-(2,5-dichlorophenyl)ethanone?

The CAS number of 2-Bromo-1-(2,5-dichlorophenyl)ethanone is 4571-25-9.

What are the molecular formula and molecular weight of 2-Bromo-1-(2,5-dichlorophenyl)ethanone?

2-Bromo-1-(2,5-dichlorophenyl)ethanone has molecular formula C8H5BrCl2O and molecular weight 267.93500 g/mol.

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

Last updated:

How to cite: Jingsj. "2-Bromo-1-(2,5-dichlorophenyl)ethanone (CAS 4571-25-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1492567-4 (accessed 2026-10-22).

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