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5-Fluoro-2-(methylsulfonyl)benzoic acid

5-氟-2-(甲基磺酰基)苯甲酸

Also known as: 2-Carboxy-4-fluorophenyl methyl sulphone, 5-Fluoro-2-(methylsulphonyl)benzoic acid, 5-fluoro-2-methylsulfonylbenzoic acid, Benzoic acid, 5-fluoro-2-(methylsulfonyl)-, MFCD04037937

5-Fluoro-2-(methylsulfonyl)benzoic acid (CAS 773873-55-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H7FO4S and a molecular weight of 218.20200 g/mol. It is also known as 2-Carboxy-4-fluorophenyl methyl sulphone, 5-Fluoro-2-(methylsulphonyl)benzoic acid and 5-fluoro-2-methylsulfonylbenzoic acid. Key properties include a melting point of 147-149ºC, a boiling point of 425.4ºC at 760 mmHg, a density of 1.474g/cm3 and a flash point of 211ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
773873-55-5
Jingsj CID
J-1453796-5
Molecular Formula
C8H7FO4S
Chinese Name
5-氟-2-(甲基磺酰基)苯甲酸
Molecular Weight
218.20200 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point147-149ºC
Boiling Point425.4ºC at 760 mmHg
Density1.474g/cm3
Flash Point211ºC

Frequently Asked Questions

What is the CAS number of 5-Fluoro-2-(methylsulfonyl)benzoic acid?

The CAS number of 5-Fluoro-2-(methylsulfonyl)benzoic acid is 773873-55-5.

What are the molecular formula and molecular weight of 5-Fluoro-2-(methylsulfonyl)benzoic acid?

5-Fluoro-2-(methylsulfonyl)benzoic acid has molecular formula C8H7FO4S and molecular weight 218.20200 g/mol.

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

Last updated:

How to cite: Jingsj. "5-Fluoro-2-(methylsulfonyl)benzoic acid (CAS 773873-55-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1453796-5 (accessed 2026-10-24).

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