3,5-Dichloro-4-hydroxybenzenesulfonyl chloride

3,5-二氯-4-羟基苯磺酰氯

Also known as: 3,5-DICHLORO-4-HYDROXYBENZENE-1-SULFONYL CHLORIDE, 3,5-DICHLORO-4-HYDROXYBENZENESULFONYL CHLORIDE, 3,5-DICHLORO-4-HYDROXYBENZENESULPHONYL CHLORIDE, 3,5-Dichloro-4-hydroxybenzene-1-sulfonyl chloride, 3,5-Dichloro-4-hydroxybenzenesulphonylchloride, 4-(Chlorosulphonyl)-2,6-dichlorophenol, Benzenesulfonyl chloride, 3,5-dichloro-4-hydroxy-, D90107, MFCD00171551

3,5-Dichloro-4-hydroxybenzenesulfonyl chloride (CAS 13432-81-0) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C6H3Cl3O3S and a molecular weight of 261.51000 g/mol. It is also known as 3,5-DICHLORO-4-HYDROXYBENZENE-1-SULFONYL CHLORIDE, 3,5-DICHLORO-4-HYDROXYBENZENESULFONYL CHLORIDE and 3,5-DICHLORO-4-HYDROXYBENZENESULPHONYL CHLORIDE. Key properties include a melting point of 123-125ºC, a boiling point of 352.3ºC at 760mmHg, a density of 1.761g/cm3 and a flash point of 166.8ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
13432-81-0
Jingsj CID
J-26281-9
Molecular Formula
C6H3Cl3O3S
Chinese Name
3,5-二氯-4-羟基苯磺酰氯
Molecular Weight
261.51000 g/mol
Category
Aromatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Melting Point123-125ºC
Boiling Point352.3ºC at 760mmHg
Density1.761g/cm3
Flash Point166.8ºC

Frequently Asked Questions

What is the CAS number of 3,5-Dichloro-4-hydroxybenzenesulfonyl chloride?

The CAS number of 3,5-Dichloro-4-hydroxybenzenesulfonyl chloride is 13432-81-0.

What are the molecular formula and molecular weight of 3,5-Dichloro-4-hydroxybenzenesulfonyl chloride?

3,5-Dichloro-4-hydroxybenzenesulfonyl chloride has molecular formula C6H3Cl3O3S and molecular weight 261.51000 g/mol.

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

Last updated:

How to cite: Jingsj. "3,5-Dichloro-4-hydroxybenzenesulfonyl chloride (CAS 13432-81-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26281-9 (accessed 2026-10-22).

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