Description

3-Chloro-5-Methyl-Benzoic Acid is a versatile chlorinated benzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of its chloro and methyl substituents, which enable precise molecular modifications for creating high-value intermediates. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key synthon in the research and production of novel active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the chloromethylbenzoic acid structure imparts specific biological activity.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced organic electronic materials and liquid crystal compounds.
• Polymer Modifier: Incorporated as a monomer or additive to modify the thermal and chemical properties of engineering plastics and high-performance polymers.
• Dyestuff & Pigment Intermediate: Utilized in the synthesis of complex organic dyes and pigments, contributing to color fastness and stability.
• Chemical Research & Development: A valuable reagent for method development, catalysis studies, and exploring new reaction pathways in academic and industrial labs.

Basic Information

Product Name	3-Chloro-5-Methyl-Benzoic Acid
CAS No.	56961-33-2
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	3-Chloro-5-methylbenzoic acid; 5-Methyl-3-chlorobenzoic acid; Benzoic acid, 3-chloro-5-methyl-; m-Chloro-m-toluic acid; 3-Chloro-5-methyl-benzoic acid; 3-Chloro-5-methylbenzenecarboxylic acid; 3-Chloro-5-methylbenzoic acid (CAS 56961-33-2)
EINECS	Contact for details

Quality Control

Our 3-Chloro-5-Methyl-Benzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for pharmaceutical and industrial applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong oxidizing agents, 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	158°C - 162°C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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