3,4-Dichlorobenzenesulfonic acid

3,4-二氯苯磺酸

Also known as: 3,4-DICHLOROBENZENESULFONIC ACID, 3,4-Dichloro-benzenesulfonic acid, 1,2-dichlorobenzene-4-sulfonic acid, 3,4-Dichlorbenzolsulfonsaeure, Benzenesulfonic acid, 3,4-dichloro-, Benzenesulfonic acid,3,4-dichloro, Benzenesulfonic acid,4-dichloro, NSC 76598

3,4-Dichlorobenzenesulfonic acid (CAS 939-95-7) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H4Cl2O3S and a molecular weight of 227.06500 g/mol. It is also known as 3,4-DICHLOROBENZENESULFONIC ACID, 3,4-Dichloro-benzenesulfonic acid and 1,2-dichlorobenzene-4-sulfonic acid. Key properties include a melting point of 183ºC and a density of 1.668g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
939-95-7
Jingsj CID
J-1523473-5
Molecular Formula
C6H4Cl2O3S
Chinese Name
3,4-二氯苯磺酸
Molecular Weight
227.06500 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point183ºC
Density1.668g/cm3

Frequently Asked Questions

What is the CAS number of 3,4-Dichlorobenzenesulfonic acid?

The CAS number of 3,4-Dichlorobenzenesulfonic acid is 939-95-7.

What are the molecular formula and molecular weight of 3,4-Dichlorobenzenesulfonic acid?

3,4-Dichlorobenzenesulfonic acid has molecular formula C6H4Cl2O3S and molecular weight 227.06500 g/mol.

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

Last updated:

How to cite: Jingsj. "3,4-Dichlorobenzenesulfonic acid (CAS 939-95-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1523473-5 (accessed 2026-10-25).

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