2,3-Dihydroxy-4-methylbenzoic acid

2,3-二羟基-4-甲基苯甲酸

Also known as: 4-Methyl-o-pyrocatechuic acid, o-Pyrocatechuic acid,4-methyl, 2,3-Dihydroxy-4-methyl-benzoesaeure, 2,3-dihydroxy-4-methyl-benzoic acid, 4-Methyl-2,3-dihydroxybenzoic acid

2,3-Dihydroxy-4-methylbenzoic acid (CAS 3929-89-3) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H8O4 and a molecular weight of 168.14700 g/mol. It is also known as 4-Methyl-o-pyrocatechuic acid, o-Pyrocatechuic acid,4-methyl and 2,3-Dihydroxy-4-methyl-benzoesaeure. Key properties include a boiling point of 370.4ºC at 760 mmHg, a density of 1.46g/cm3 and a flash point of 192ºC. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
3929-89-3
Jingsj CID
J-1127519-6
Molecular Formula
C8H8O4
Chinese Name
2,3-二羟基-4-甲基苯甲酸
Molecular Weight
168.14700 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point370.4ºC at 760 mmHg
Density1.46g/cm3
Flash Point192ºC

Frequently Asked Questions

What is the CAS number of 2,3-Dihydroxy-4-methylbenzoic acid?

The CAS number of 2,3-Dihydroxy-4-methylbenzoic acid is 3929-89-3.

What are the molecular formula and molecular weight of 2,3-Dihydroxy-4-methylbenzoic acid?

2,3-Dihydroxy-4-methylbenzoic acid has molecular formula C8H8O4 and molecular weight 168.14700 g/mol.

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

Last updated:

How to cite: Jingsj. "2,3-Dihydroxy-4-methylbenzoic acid (CAS 3929-89-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1127519-6 (accessed 2026-10-25).

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