Description

3,5-Dichloro-4-Methylbenzoic Acid is a versatile halogenated benzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of chlorine and methyl substituents on the aromatic ring, which enables precise modification of molecular properties for high-value applications. This compound is essential for research and development chemists and process engineers in the pharmaceutical and agrochemical industries seeking to develop new active ingredients and fine chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for anti-inflammatory and antimicrobial agents.
• Agrochemical Synthesis: Used as a core scaffold for developing advanced herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or modifying agent for creating specialized polymers and liquid crystal materials with tailored properties.
• Organic Synthesis Building Block: Employed in coupling reactions (e.g., Suzuki, Heck) and as a starting material for synthesizing more complex heterocyclic compounds and ligands.
• Dyestuff & Pigment Intermediate: Utilized in the production of high-performance dyes and pigments for industrial applications.
• Research & Development: A valuable reagent for academic and industrial R&D in medicinal chemistry and material science.

Basic Information

Product Name	3,5-Dichloro-4-Methylbenzoic Acid
CAS No.	39652-34-1
Molecular Formula	C8H6Cl2O2
Molecular Weight	205.04 g/mol
Synonyms	4-Methyl-3,5-dichlorobenzoic Acid; 3,5-Dichloro-p-toluic Acid; Benzoic acid, 3,5-dichloro-4-methyl-; 3,5-Dichloro-4-methyl-benzoic acid; NSC 403119
EINECS	Contact for details

Quality Control

Our 3,5-Dichloro-4-Methylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee traceability and consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases and oxidizing agents. Recommended storage temperature is 2-25°C. The product is compatible with strong acid/organic solvent environments but should be handled with standard laboratory precautions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	195 - 200 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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