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3-Fluoro-4-(methylsulfonyl)benzoic acid

Also known as: 3-Fluoro-4-methylsulfonylbenzoic acid, 3-fluoro-4-methanesulfonylbenzoic acid, 4-Carboxy-3-fluorophenyl methyl sulphone, Benzoic acid, 3-fluoro-4-(methylsulfonyl)-

3-Fluoro-4-(methylsulfonyl)benzoic acid (CAS 185945-88-4) 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. Key properties include a boiling point of 429.228ºC at 760 mmHg, a density of 1.475 g/cm3 and a flash point of 213.39ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
185945-88-4
Jingsj CID
J-1423960-2
Molecular Formula
C8H7FO4S
Molecular Weight
218.20200 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Boiling Point429.228ºC at 760 mmHg
Density1.475 g/cm3
Flash Point213.39ºC
Exact Mass218.00500
PSA79.82000
LogP2.00820

Customs & Trade Information

HS Code2916399090
Summary2916399090 other aromatic monocarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 3-Fluoro-4-(methylsulfonyl)benzoic acid?

The CAS number of 3-Fluoro-4-(methylsulfonyl)benzoic acid is 185945-88-4.

What are the molecular formula and molecular weight of 3-Fluoro-4-(methylsulfonyl)benzoic acid?

3-Fluoro-4-(methylsulfonyl)benzoic acid has molecular formula C8H7FO4S and molecular weight 218.20200 g/mol.

What are the upstream and downstream products of 3-Fluoro-4-(methylsulfonyl)benzoic acid?

For 3-Fluoro-4-(methylsulfonyl)benzoic acid, Upstream Products: 3-Fluoro-4-(methylsulfonyl)benzaldehyde, 3,4-Difluorobenzaldehyde.

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

Last updated:

How to cite: Jingsj. "3-Fluoro-4-(methylsulfonyl)benzoic acid (CAS 185945-88-4)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1423960-2 (accessed 2026-11-09).

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