2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone

2-溴-5′-氟-2′-羟基苯乙酮

Also known as: 2-bromo-5'-fluoro-2'-hydroxyacetophenone, 5-fluoro-2-hydroxyphenacyl bromide, 2-bromo-1-(5-fluoro-2-hydroxyphenyl)-1-ethanone, Ethanone, 2-bromo-1-(5-fluoro-2-hydroxyphenyl)-, MFCD03094564, α-bromo-(2-hydroxy-5-fluoro)acetophenone

2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone (CAS 126581-65-5) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H6BrFO2 and a molecular weight of 233.03400 g/mol. It is also known as 2-bromo-5'-fluoro-2'-hydroxyacetophenone, 5-fluoro-2-hydroxyphenacyl bromide and 2-bromo-1-(5-fluoro-2-hydroxyphenyl)-1-ethanone. Key properties include a melting point of 87-91ºC, a boiling point of 290.6ºC at 760mmHg, a density of 1.703g/cm3 and a flash point of 129.5ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
126581-65-5
Jingsj CID
J-1089104-3
Molecular Formula
C8H6BrFO2
Chinese Name
2-溴-5′-氟-2′-羟基苯乙酮
Molecular Weight
233.03400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point87-91ºC
Boiling Point290.6ºC at 760mmHg
Density1.703g/cm3
Flash Point129.5ºC

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone?

The CAS number of 2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone is 126581-65-5.

What are the molecular formula and molecular weight of 2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone?

2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone has molecular formula C8H6BrFO2 and molecular weight 233.03400 g/mol.

Is 2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone hazardous?

2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2-bromo-1-(5-fluoro-2-hydroxyphenyl)ethanone (CAS 126581-65-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1089104-3 (accessed 2026-10-25).

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