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2,4-Dimethylbenzenesulfonic acid

Also known as: m-Xylene-4-sulfonic acid, m-Xylene-4-sulfonic acid hydrate, 2,4-Dimethylbenzenesulfonic acid hydrate, 2,4-Xylenesulfonic acid, m-Xylenesulfonic acid, Benzenesulfonic acid, 2,4-dimethyl-

2,4-Dimethylbenzenesulfonic acid (CAS 88-61-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H10O3S and a molecular weight of 186.228 g/mol. Key properties include a melting point of 61 °C and a density of 1.3±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
88-61-9
Jingsj CID
J-9776-7
Molecular Formula
C8H10O3S
Molecular Weight
186.228 g/mol
Category
Organic Acids
Last updated
8/21/2026
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Physicochemical Properties

Melting Point61 °C
Density1.3±0.1 g/cm3
Exact Mass186.035065
PSA62.75000
LogP1.39
Refractive Index1.553

Customs & Trade Information

HS Code2904100000
Summary2904100000 derivatives containing only sulpho groups, their salts and ethyl esters。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Frequently Asked Questions

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

The CAS number of 2,4-Dimethylbenzenesulfonic acid is 88-61-9.

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

2,4-Dimethylbenzenesulfonic acid has molecular formula C8H10O3S and molecular weight 186.228 g/mol.

What are the upstream and downstream products of 2,4-Dimethylbenzenesulfonic acid?

For 2,4-Dimethylbenzenesulfonic acid, Upstream Products: m-Xylene, p-Toluenesulfonyl chloride, 2,4-Dimethylbenzenesulfonyl chloride; Downstream Products: 1-Iodo-2,4-dimethylbenzene, m-Xylene, Carbon tetrachloride.

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

Last updated:

How to cite: Jingsj. "2,4-Dimethylbenzenesulfonic acid (CAS 88-61-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-9776-7 (accessed 2026-11-09).

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