Description

4-Chloro-3-Methylbenzoyl Chloride is a versatile and highly reactive aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its primary value lies in its ability to efficiently introduce the 4-chloro-3-methylbenzoyl moiety, enabling the production of compounds with tailored properties. This intermediate is essential for manufacturers in the agrochemical and pharmaceutical sectors, where it is used to synthesize active ingredients, dyes, and functional materials requiring specific halogenated aromatic frameworks.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of herbicides, fungicides, and plant growth regulators.
• Pharmaceutical Building Block: Used in the research and production of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye and Pigment Manufacturing: Serves as an intermediate for producing specialized dyes and colorants.
• Polymer Chemistry: Acts as a monomer or modifying agent in the synthesis of high-performance polymers and resins.
• Organic Synthesis Reagent: Employed in Friedel-Crafts acylation and other reactions to create complex aromatic ketones and amides.
• Liquid Crystal & Electronic Material Production: Used in the synthesis of intermediates for liquid crystal displays (LCDs) and other electronic chemicals.

Basic Information

Product Name	4-Chloro-3-Methylbenzoyl Chloride
CAS No.	21900-24-3
Molecular Formula	C9H8Cl2O
Molecular Weight	203.06 g/mol
Synonyms	3-Methyl-4-chlorobenzoyl chloride; 4-Chloro-m-toluoyl chloride; 4-Chloro-3-methylbenzoic acid chloride; 4-Chloro-3-methyl-benzoylchlorid; 4-Chloro-3-methylbenzene-1-carbonyl chloride; p-Chloro-m-toluoyl chloride
EINECS	Contact for details

Quality Control

Our 4-Chloro-3-Methylbenzoyl Chloride is manufactured under stringent quality management systems. Every batch undergoes comprehensive analytical testing, including assay, purity profiling, and impurity identification, to ensure it meets precise customer requirements and industry benchmarks. Certificates of Analysis (COA) documenting all critical parameters are provided with each shipment.

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). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) to prevent decomposition. Keep away from strong bases, alcohols, and water.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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