Description

4-Chloro-3-Methylbenzoic Acid is a versatile chlorinated aromatic carboxylic acid derivative, serving as a critical building block in advanced organic synthesis. Its value lies in providing a reactive carboxyl group and a halogenated aromatic ring, enabling precise molecular modifications for creating complex target compounds. This intermediate is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries who require high-purity, reliable starting materials for developing active ingredients and functional chemicals.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where the chloromethyl benzoate structure is integral to biological activity.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or modifying agent for creating specialized polymers and liquid crystal materials with specific dielectric or optical properties.
• Dyestuff & Pigment Manufacturing: Serves as an intermediate for synthesizing azo dyes and complex organic pigments, contributing to color fastness and stability.
• Organic Synthesis & Research: A valuable reagent in academic and industrial R&D for constructing complex molecules, including ligands for catalysis and materials science applications.

Basic Information

Product Name	4-Chloro-3-Methylbenzoic Acid
CAS No.	7697-29-2
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	3-Methyl-4-chlorobenzoic Acid; 4-Chloro-m-toluic Acid; 4-Chloro-3-methylbenzenecarboxylic Acid; Benzoic acid, 4-chloro-3-methyl-; 2-Chloro-5-carboxytoluene; 4-Chloro-3-methyl-benzoic acid; 7697-29-2 (CAS)
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards for use in sensitive synthesis applications. Certificates of Analysis (COA) with full traceability are provided with every shipment.

Storage

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

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	158°C - 162°C
Loss on Drying	≤0.5%
Residue on Ignition	≤0.1%
Heavy Metals (as Pb)	≤20 ppm

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