Description

4-Chloro-2-Methylbenzoic Acid is a versatile chlorinated benzoic acid derivative that serves as a key synthetic intermediate in advanced organic chemistry. Its value lies in providing a functionalized aromatic backbone for constructing complex molecules with tailored properties. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require high-purity building blocks for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: A crucial precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoic acid moiety.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators where its chloromethyl-substituted structure imparts specific biological activity.
• Liquid Crystal & Dye Manufacturing: Acts as a building block for advanced materials, including liquid crystal displays (LCDs) and complex organic dyes or pigments.
• Organic Synthesis & Research: Employed in academic and industrial R&D for coupling reactions, esterification, and as a starting material for generating more complex heterocyclic compounds.
• Polymer Modification: Can be used to introduce carboxylic acid functionality into polymer chains, altering their physical and chemical properties for specialized applications.

Basic Information

Product Name	4-Chloro-2-Methylbenzoic Acid
CAS No.	370-74-7
Molecular Formula	C8H7ClO2
Molecular Weight	170.59 g/mol
Synonyms	2-Methyl-4-chlorobenzoic acid; 4-Chloro-o-toluic acid; 4-Chloro-2-methylbenzoic acid; Benzoic acid, 4-chloro-2-methyl-; 4-Chloro-2-toluic acid; 2-Methyl-4-chlorobenzoic acid; 4-Chloro-2-methylbenzenecarboxylic acid
EINECS	206-734-7

Quality Control

Our 4-Chloro-2-Methylbenzoic Acid is produced under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high standards required for pharmaceutical and fine chemical synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with each shipment and are available upon request.

Storage

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