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2,4,5-Trichlorobenzenesulfonic acid

2,4,5-三氯苯磺酸

Also known as: 2,4,5-Trichlorobenzenesulfonic acid hydrate, 2,4,5-Trichlorobenzenesulphonic acid, Benzenesulfonic acid, 2,4,5-trichloro-

2,4,5-Trichlorobenzenesulfonic acid (CAS 6378-25-2) is a compound in the Organic Acids 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 2,4,5-Trichlorobenzenesulfonic acid hydrate, 2,4,5-Trichlorobenzenesulphonic acid and Benzenesulfonic acid, 2,4,5-trichloro-. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
6378-25-2
Jingsj CID
J-8307-8
Molecular Formula
C6H3Cl3O3S
Chinese Name
2,4,5-三氯苯磺酸
Molecular Weight
261.51000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Exact Mass259.88700
PSA62.75000
LogP3.97430

Customs & Trade Information

HS Code2915900090
Summary2915900090 other saturated acyclic monocarboxylic acids and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:5.5% General tariff:30.0%

Frequently Asked Questions

What is the CAS number of 2,4,5-Trichlorobenzenesulfonic acid?

The CAS number of 2,4,5-Trichlorobenzenesulfonic acid is 6378-25-2.

What are the molecular formula and molecular weight of 2,4,5-Trichlorobenzenesulfonic acid?

2,4,5-Trichlorobenzenesulfonic acid 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. "2,4,5-Trichlorobenzenesulfonic acid (CAS 6378-25-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-8307-8 (accessed 2026-10-28).

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