4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid

Also known as: 4-chloro-2-fluoro-5-chlorosulfonylbenzoic acid, 4-chloro-5-chlorosulfonyl-2-fluorobenzoic acid, 2-fluoro-4-chloro-5-chlorosulfonylbenzoic acid, 4-chloro-5-chlorosulphonyl-2-fluorobenzoic acid, 2-fluoro-4-chloro-5-cholrosulfonylbenzoic acid, MFCD06658273

4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid (CAS 56447-54-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H3Cl2FO4S and a molecular weight of 273.066 g/mol. Key properties include a boiling point of 427.0±45.0 °C at 760 mmHg, a density of 1.8±0.1 g/cm3 and a flash point of 212.0±28.7 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.: 56447-54-2
Jingsj CID: J-1359611-7
Molecular Formula: C₇H₃Cl₂FO₄S
Molecular Weight: 273.066 g/mol
Category: Organic Acids
Last updated: 8/21/2026

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Physicochemical Properties

Boiling Point	427.0±45.0 °C at 760 mmHg
Density	1.8±0.1 g/cm3
Flash Point	212.0±28.7 °C
Exact Mass	271.911316
PSA	79.82000
LogP	2.36
Vapor Pressure	0.0±1.1 mmHg at 25°C
Refractive Index	1.581

Customs & Trade Information

HS Code	2916399090
Summary	2916399090 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 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid?

The CAS number of 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid is 56447-54-2.

What are the molecular formula and molecular weight of 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid?

4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid has molecular formula C7H3Cl2FO4S and molecular weight 273.066 g/mol.

What are the upstream and downstream products of 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid?

For 4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid, Upstream Products: 4-Chloro-2-fluorobenzoic acid.

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

Last updated: 8/21/2026

How to cite: Jingsj. "4-Chloro-5-(chlorosulfonyl)-2-fluorobenzoic acid (CAS 56447-54-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1359611-7 (accessed 2026-11-09).

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