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2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone

Also known as: 2-Bromo-4'-(methylsulfonyl)acetophenone, 2-Bromo-4'-(methylsulphonyl)acetophenone, 4-Methylsulfonyl-alpha-bromoacetophenone, 4-Methylsulphonyl-alpha-bromoacetophenone, alpha-bromo-4-methylsulfonylacetophenone, 2-bromo-1-(4-methylsulfonylphenyl)ethanone, Ethanone, 2-bromo-1-[4-(methylsulfonyl)phenyl]-

2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone (CAS 50413-24-6) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H9BrO3S and a molecular weight of 277.135 g/mol. Key properties include a melting point of 126 °C, a boiling point of 428.4±41.0 °C at 760 mmHg, a density of 1.6±0.1 g/cm3 and a flash point of 212.9±27.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
50413-24-6
Jingsj CID
J-1990844-2
Molecular Formula
C9H9BrO3S
Molecular Weight
277.135 g/mol
Category
Ketones
Last updated
8/21/2026
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Physicochemical Properties

Melting Point126 °C
Boiling Point428.4±41.0 °C at 760 mmHg
Density1.6±0.1 g/cm3
Flash Point212.9±27.6 °C
Exact Mass275.945557
PSA59.59000
LogP0.92
Vapor Pressure0.0±1.0 mmHg at 25°C
Refractive Index1.565

Frequently Asked Questions

What is the CAS number of 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone?

The CAS number of 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone is 50413-24-6.

What are the molecular formula and molecular weight of 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone?

2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone has molecular formula C9H9BrO3S and molecular weight 277.135 g/mol.

What are the upstream and downstream products of 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone?

For 2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone, Upstream Products: 4'-(Methylsulfonyl)acetophenone, 2-Bromo-4'-(methylthio)acetophenone, 4'-Methylthioacetophenone; Downstream Products: Rofecoxib.

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

Last updated:

How to cite: Jingsj. "2-Bromo-1-[4-(methylsulfonyl)phenyl]ethanone (CAS 50413-24-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1990844-2 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.