Description

3-Bromo-4-Methyl-Benzoyl Chloride is a versatile and highly reactive aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its ability to introduce the 3-bromo-4-methyl-benzoyl moiety into target molecules, enabling the creation of complex chemical architectures. This intermediate is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries who require precise functionalization for developing active ingredients and novel materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a halogenated benzoyl group.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the bromo-methyl substitution pattern confers specific biological activity.
• Liquid Crystal & OLED Material Production: Acts as a building block for creating complex organic molecules used in electronic displays and lighting.
• Polymer Chemistry: Employed in the synthesis of specialty polymers and monomers, including photoactive resins and high-performance engineering plastics.
• Dyestuff and Pigment Manufacturing: Serves as an intermediate for producing advanced colorants and pigments with enhanced properties.
• Chemical Research & Development: A valuable reagent in academic and industrial R&D labs for exploring new synthetic pathways and creating novel compound libraries.

Basic Information

Item	Details
Product Name	3-Bromo-4-Methyl-Benzoyl Chloride
CAS No.	21900-33-4
Molecular Formula	C8H6BrClO
Molecular Weight	233.49 g/mol
Synonyms	3-Bromo-p-toluoyl chloride; 3-Bromo-4-methylbenzoic acid chloride; 4-Methyl-3-bromobenzoyl chloride; (3-Bromo-4-methylphenyl)carbonyl chloride; m-Bromo-p-toluoyl chloride; α-Chloro-3-bromo-4-methylbenzaldehyde; Benzoic acid, 3-bromo-4-methyl-, chloride
EINECS	Contact for details

Quality Control

Our 3-Bromo-4-Methyl-Benzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO 9001 standards for production, ensuring reliability for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at 15-25°C. Keep away from heat, open flames, and incompatible materials such as strong bases, alcohols, and amines. Due to its nature as a strong acid/organic solvent derivative, handle with appropriate personal protective equipment in a fume hood.

Specification

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

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