Description

3,4-Dimethylbenzoic Acid is a versatile aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in providing a sterically hindered benzoic acid framework, enabling the development of specialized compounds with tailored properties. This intermediate is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to create novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a dimethyl-substituted benzoic acid moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its structure contributes to biological activity and selectivity.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of specialty polymers and liquid crystal materials for electronic displays.
• Organic Synthesis & Research: A valuable reagent for constructing complex organic molecules in academic and industrial research laboratories.
• Dye & Pigment Manufacturing: Intermediate in the production of certain azo dyes and high-performance pigments.
• Coordination Chemistry: Can function as a ligand or a precursor to ligands for metal-organic frameworks (MOFs) and catalysts.

Basic Information

Product Name	3,4-Dimethylbenzoic Acid
CAS No.	619-04-5
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	3,4-Dimethylbenzoic Acid; 3,4-Xylylic Acid; 3,4-Dimethylbenzenecarboxylic Acid; Benzoic acid, 3,4-dimethyl-; 4,5-Dimethylbenzoic Acid; Asymmetrical m-Xylylenic Acid; 3,4-DMBA
EINECS	210-574-9

Quality Control

Our 3,4-Dimethylbenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive applications. Certificates of Analysis (COA) detailing all test results are provided with each shipment to guarantee traceability and batch-to-batch consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	163°C - 167°C
Loss on Drying	≤0.5%
Heavy Metals	≤20 ppm

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.