Benzenesulfonic acid monohydrate

苯磺酸一水合物

Also known as: benzenesulfonic acid hydrate, phenylsulfonic acid monohydrate, benzenesulfonic acid, monohydrate, benzenesulfonic acid 1-hydrate, benzenesulfonic acid hydrate (1:1)

Benzenesulfonic acid monohydrate (CAS 26158-00-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C6H8O4S and a molecular weight of 176.19000 g/mol. It is also known as benzenesulfonic acid hydrate, phenylsulfonic acid monohydrate and benzenesulfonic acid, monohydrate. Key properties include a melting point of 42-49ºC(lit.) and a flash point of 53ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
26158-00-9
Jingsj CID
J-1991373-3
Molecular Formula
C6H8O4S
Chinese Name
苯磺酸一水合物
Molecular Weight
176.19000 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point42-49ºC(lit.)
Flash Point53ºC

Frequently Asked Questions

What is the CAS number of Benzenesulfonic acid monohydrate?

The CAS number of Benzenesulfonic acid monohydrate is 26158-00-9.

What are the molecular formula and molecular weight of Benzenesulfonic acid monohydrate?

Benzenesulfonic acid monohydrate has molecular formula C6H8O4S and molecular weight 176.19000 g/mol.

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

Last updated:

How to cite: Jingsj. "Benzenesulfonic acid monohydrate (CAS 26158-00-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991373-3 (accessed 2026-10-25).

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