Description

3,5-Dimethylbenzoic Acid is a high-purity aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its sterically hindered structure, which offers unique reactivity and selectivity compared to unsubstituted benzoic acid, making it indispensable for creating complex molecular architectures. This compound is primarily needed by the pharmaceutical, agrochemical, and specialty chemical industries for applications ranging from active pharmaceutical ingredient (API) intermediates to polymer modifiers and ligand synthesis.

Application

• Pharmaceutical Intermediate: A key starting material or building block in the synthesis of novel active pharmaceutical ingredients (APIs), particularly those requiring sterically hindered aromatic systems.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the dimethyl substitution pattern enhances biological activity and stability.
• Ligand and Catalyst Preparation: Serves as a precursor for synthesizing specialized ligands used in homogeneous catalysis and metal-organic frameworks (MOFs).
• Polymer Modification: Incorporated as a monomer or additive to modify the properties of polyesters, polyamides, and epoxy resins, improving thermal stability and mechanical characteristics.
• Organic Synthesis Reagent: Employed in various organic reactions, including esterification and amidation, to introduce the bulky 3,5-dimethylphenyl moiety.
• Research & Development: A valuable reference standard and reagent in academic and industrial R&D labs for method development and exploratory chemistry.

Basic Information

Product Name	3,5-Dimethylbenzoic Acid
CAS No.	499-06-9
Molecular Formula	C9H10O2
Molecular Weight	150.17 g/mol
Synonyms	3,5-Dimethylbenzoic Acid; 3,5-Xylylic Acid; Benzoic acid, 3,5-dimethyl-; m-Xylene-5-carboxylic Acid; 5-Carboxy-m-xylene; 3,5-DMBA; 3,5-Dimethylbenzenecarboxylic Acid
EINECS	207-877-9

Quality Control

Our 3,5-Dimethylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets the highest standards of purity and consistency for industrial and research applications. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to guarantee full traceability and compliance with your specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizers, strong bases, and heat sources.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	163°C - 168°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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