o-Cresolsulfonic acid

邻甲酚磺酸

Also known as: 4-Hydroxy-3-methylbenzenesulfonic acid, 2-Methylphenol-4-sulfonic acid, o-Cresol-4-sulfonic acid, 2-Cresol sulfonic acid, 3-Methyl-4-hydroxybenzenesulfonic acid

o-Cresolsulfonic acid (CAS 7134-04-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H8O4S and a molecular weight of 188.201 g/mol. It is also known as 4-Hydroxy-3-methylbenzenesulfonic acid, 2-Methylphenol-4-sulfonic acid and o-Cresol-4-sulfonic acid. Key property: a density of 1.5±0.1 g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7134-04-5
Jingsj CID
J-1010628-8
Molecular Formula
C7H8O4S
Chinese Name
邻甲酚磺酸
Molecular Weight
188.201 g/mol
Category
Organic Acids
Last updated
8/21/2026

No offers for this compound yet.

Request a quote

Physicochemical Properties

Density1.5±0.1 g/cm3

Frequently Asked Questions

What is the CAS number of o-Cresolsulfonic acid?

The CAS number of o-Cresolsulfonic acid is 7134-04-5.

What are the molecular formula and molecular weight of o-Cresolsulfonic acid?

o-Cresolsulfonic acid has molecular formula C7H8O4S and molecular weight 188.201 g/mol.

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

Last updated:

How to cite: Jingsj. "o-Cresolsulfonic acid (CAS 7134-04-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1010628-8 (accessed 2026-10-23).

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