4-Hydroxy-2-methylbenzenesulfonic acid

4-羟基-2-甲基苯磺酸

Also known as: 2-Methyl-4-hydroxy-benzolsulfonsaeure, 2-Methyl-4-hydroxybenzenesulfonic acid, 2-methyl-4-hydroxy-benzenesulfonic acid, 3-Hydroxy-1-methyl-benzol-6-sulfonsaeure, 4-Hydroxy-2-methylbenzenesulfonic acid, 5-Hydroxy-toluol-2-sulfonsaeure, 5-Hydroxytoluene-2-sulphonic acid, 5-hydroxy-toluene-2-sulfonic acid, 5-methyl-1-hydroxybenzene-4-sulfonic acid, Benzenesulfonic acid, 4-hydroxy-2-methyl-, Benzenesulfonic acid,4-hydroxy-2-methyl, EINECS 230-433-2, Policresulen Impurity 2, Policresulen-002, m-Cresol-4-sulfonic acid, m-Kresol-sulfonsaeure-(4), o-Toluenesulfonic acid, 4-hydroxy-, o-Toluenesulfonic acid,4-hydroxy

4-Hydroxy-2-methylbenzenesulfonic acid (CAS 7134-05-6) 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 188.20100 g/mol. It is also known as 2-Methyl-4-hydroxy-benzolsulfonsaeure, 2-Methyl-4-hydroxybenzenesulfonic acid and 2-methyl-4-hydroxy-benzenesulfonic acid. Key property: a density of 1.482g/cm3. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
7134-05-6
Jingsj CID
J-1311056-7
Molecular Formula
C7H8O4S
Chinese Name
4-羟基-2-甲基苯磺酸
Molecular Weight
188.20100 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Density1.482g/cm3

Frequently Asked Questions

What is the CAS number of 4-Hydroxy-2-methylbenzenesulfonic acid?

The CAS number of 4-Hydroxy-2-methylbenzenesulfonic acid is 7134-05-6.

What are the molecular formula and molecular weight of 4-Hydroxy-2-methylbenzenesulfonic acid?

4-Hydroxy-2-methylbenzenesulfonic acid has molecular formula C7H8O4S and molecular weight 188.20100 g/mol.

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

Last updated:

How to cite: Jingsj. "4-Hydroxy-2-methylbenzenesulfonic acid (CAS 7134-05-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1311056-7 (accessed 2026-10-22).

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