2,3-Dimethylbenzoic acid

2,3-二甲基苯甲酸

Also known as: 2,3-Dimethylbenzoic acid, Hemellitic acid, vic.-o-xylylic acid, o-Xylene-3-carboxylic acid, Benzoic acid, 2,3-dimethyl-, Dexmedetomidine Impurity 26, MFCD00002479, EINECS 210-058-0, RARECHEM AL BO 0357, 2,3-dimethylbenzoate

2,3-Dimethylbenzoic acid (CAS 603-79-2) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C9H10O2 and a molecular weight of 150.174 g/mol. It is also known as Hemellitic acid, vic.-o-xylylic acid and o-Xylene-3-carboxylic acid. Key properties include a melting point of 144-146 °C(lit.), a boiling point of 281.5±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 129.6±13.4 °C. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
603-79-2
Jingsj CID
J-1967881-0
Molecular Formula
C9H10O2
Chinese Name
2,3-二甲基苯甲酸
Molecular Weight
150.174 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point144-146 °C(lit.)
Boiling Point281.5±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point129.6±13.4 °C

GHS Safety & Compliance

IrritantSignal word: Warning

Frequently Asked Questions

What is the CAS number of 2,3-Dimethylbenzoic acid?

The CAS number of 2,3-Dimethylbenzoic acid is 603-79-2.

What are the molecular formula and molecular weight of 2,3-Dimethylbenzoic acid?

2,3-Dimethylbenzoic acid has molecular formula C9H10O2 and molecular weight 150.174 g/mol.

Is 2,3-Dimethylbenzoic acid hazardous?

2,3-Dimethylbenzoic acid has GHS signal word Warning.

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

Last updated:

How to cite: Jingsj. "2,3-Dimethylbenzoic acid (CAS 603-79-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1967881-0 (accessed 2026-10-22).

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