Description

5-Chloro-2-Methylbenzoyl Chloride is a versatile and highly reactive aromatic acid chloride derivative. This compound serves as a critical building block in organic synthesis, enabling the efficient introduction of the 5-chloro-2-methylbenzoyl moiety into target molecules. It is primarily utilized by research institutions and industrial manufacturers in the pharmaceutical and agrochemical sectors for the development of active ingredients and advanced intermediates.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated benzoyl group.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where its specific substitution pattern confers desired biological activity.
• Dye and Pigment Manufacturing: Acts as an intermediate in the creation of complex organic dyes and colorants.
• Polymer Chemistry: Employed as a monomer or cross-linking agent in the synthesis of specialty polymers and resins.
• Organic Synthesis Reagent: A valuable reagent for acylation reactions in academic and industrial research laboratories.
• Liquid Crystal and Electronic Material Production: Used in the synthesis of advanced organic materials for electronic applications.

Basic Information

Product Name	5-Chloro-2-Methylbenzoyl Chloride
CAS No.	21900-40-3
Molecular Formula	C8H6Cl2O
Molecular Weight	189.04 g/mol
Synonyms	2-Methyl-5-chlorobenzoyl chloride; 5-Chloro-o-toluoyl chloride; 5-Chloro-2-methylbenzoic acid chloride; 2-Methyl-5-chlorobenzoic acid chloride; 5-Chloro-2-methylbenzoylchloride; 5-Chloro-2-methyl-benzoic acid chloride; 5-Chloro-2-methylbenzoylchlorid; 21900-40-3
EINECS	Contact for details

Quality Control

Our 5-Chloro-2-Methylbenzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profile analysis by GC/HPLC, to ensure high purity and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment to guarantee compliance with your research or production requirements.

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). This product is hygroscopic (moisture-sensitive) and reacts with water and strong bases; containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen) for long-term storage to prevent decomposition.

Specification

Item	Specification
Appearance	Colorless to pale yellow clear liquid
Identification (IR)	Conforms
Assay (GC/Titration)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC/HPLC)	Total impurities ≤ 2.0%
Density	~1.3 g/cm³

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