2-Bromo-2'-hydroxyacetophenone

2-溴-2'-羟基苯乙酮

Also known as: 2-Bromo-1-(2-hydroxyphenyl)ethanone, 2-Bromo-1-(2-hydroxyphenyl)ethan-1-one, 2-(Bromoacetyl)phenol, o-Hydroxyphenacyl bromide, 2-Hydroxyphenacyl bromide, Ethanone, 2-bromo-1-(2-hydroxyphenyl)-, Acetophenone, 2-bromo-2'-hydroxy-, 2-Bromo-2′-hydroxyacetophenone, MFCD01727570

2-Bromo-2'-hydroxyacetophenone (CAS 2491-36-3) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C8H7BrO2 and a molecular weight of 215.04400 g/mol. It is also known as 2-Bromo-1-(2-hydroxyphenyl)ethanone, 2-Bromo-1-(2-hydroxyphenyl)ethan-1-one and 2-(Bromoacetyl)phenol. Key properties include a melting point of 44-48 °C(lit.), a boiling point of 272.1ºC at 760 mmHg, a density of 1.622 g/cm3 and a flash point of >230 °F. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
2491-36-3
Jingsj CID
J-1965504-0
Molecular Formula
C8H7BrO2
Chinese Name
2-溴-2'-羟基苯乙酮
Molecular Weight
215.04400 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Melting Point44-48 °C(lit.)
Boiling Point272.1ºC at 760 mmHg
Density1.622 g/cm3
Flash Point>230 °F

GHS Safety & Compliance

Corrosion / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of 2-Bromo-2'-hydroxyacetophenone?

The CAS number of 2-Bromo-2'-hydroxyacetophenone is 2491-36-3.

What are the molecular formula and molecular weight of 2-Bromo-2'-hydroxyacetophenone?

2-Bromo-2'-hydroxyacetophenone has molecular formula C8H7BrO2 and molecular weight 215.04400 g/mol.

Is 2-Bromo-2'-hydroxyacetophenone hazardous?

2-Bromo-2'-hydroxyacetophenone 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. "2-Bromo-2'-hydroxyacetophenone (CAS 2491-36-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1965504-0 (accessed 2026-10-22).

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