1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE

1-(2-羟基-5-(甲磺酰基)苯基)乙-1-酮

Also known as: Ethanone, 1-[2-hydroxy-5-(methylsulfonyl)phenyl]-, 1-(2-Hydroxy-5-(methylsulfonyl)phenyl)ethan-1-one, 2'-hydroxy-5'-methanesulfonylacetophenone, 1-(2-Hydroxy-5-methanesulfonylphenyl)ethanone

1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE (CAS 20951-24-0) is a compound in the Ketones category listed in the Jingsj chemical database. It has the molecular formula C9H10O4S and a molecular weight of 214.23800 g/mol. It is also known as Ethanone, 1-[2-hydroxy-5-(methylsulfonyl)phenyl]-, 1-(2-Hydroxy-5-(methylsulfonyl)phenyl)ethan-1-one and 2'-hydroxy-5'-methanesulfonylacetophenone. Key properties include a boiling point of 424.206ºC at 760 mmHg, a density of 1.329g/cm3 and a flash point of 210.353ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
20951-24-0
Jingsj CID
J-1517460-4
Molecular Formula
C9H10O4S
Chinese Name
1-(2-羟基-5-(甲磺酰基)苯基)乙-1-酮
Molecular Weight
214.23800 g/mol
Category
Ketones
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point424.206ºC at 760 mmHg
Density1.329g/cm3
Flash Point210.353ºC

Frequently Asked Questions

What is the CAS number of 1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE?

The CAS number of 1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE is 20951-24-0.

What are the molecular formula and molecular weight of 1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE?

1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE has molecular formula C9H10O4S and molecular weight 214.23800 g/mol.

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

Last updated:

How to cite: Jingsj. "1-(2-HYDROXY-5-METHANESULFOYL-PHENYL)-ETHANONE (CAS 20951-24-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517460-4 (accessed 2026-10-25).

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