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2,4-Dimethylbenzoyl Chloride CAS NO 21900-42-5


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CAS No.:21900-42-5

Grade:Pharmacy Grade

Content:99.9%

Brand:Customizable

Packaging:Customizable

Description

2,4-Dimethylbenzoyl Chloride is a versatile aromatic acid chloride derivative, serving as a critical building block in advanced organic synthesis. Its value lies in its high reactivity as an acylating agent, enabling the efficient introduction of the 2,4-dimethylbenzoyl moiety into target molecules. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to create active ingredients, dyes, and functional materials.

Application

  • Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a lipophilic aromatic group.
  • Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators, where the dimethyl-substituted benzoyl group enhances biological activity and stability.
  • Dye and Pigment Production: Acts as an intermediate for synthesizing various azo dyes and organic pigments, contributing to color fastness and molecular structure.
  • Polymer Chemistry: Employed as a monomer or modifying agent in the production of specialty polymers, including polyamides and polyesters, to alter material properties.
  • Organic Synthesis Reagent: A fundamental acylating agent in laboratories and pilot plants for preparing amides, esters, and ketones under Schotten-Baumann or Friedel-Crafts conditions.
  • Liquid Crystal and OLED Materials: Serves as a building block for creating complex organic molecules used in electronic displays and optoelectronic devices.

Basic Information

Product Name 2,4-Dimethylbenzoyl Chloride
CAS No. 21900-42-5
Molecular Formula C9H9ClO
Molecular Weight 168.62 g/mol
Synonyms 2,4-Dimethylbenzoyl chloride; 2,4-Dimethylbenzoic acid chloride; 2,4-Xyloyl chloride; 2,4-Dimethylbenzoylchloride; 2,4-Dimethylbenzene carbonyl chloride; 2,4-Dimethylbenzoylchlorid; 2,4-Dimethylbenzoyl cloruro; α,α,2,4-Tetramethylbenzoyl chloride (isomer)
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Quality Control

Our 2,4-Dimethylbenzoyl Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specifications and test results. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic (moisture-sensitive) nature and reactivity as a strong acid/organic solvent derivative, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent hydrolysis and degradation. Keep away from moisture, bases, and oxidizing agents.

Specification

Item Specification
Appearance Colorless to pale yellow clear liquid
Identification (IR) Conforms to structure
Assay (HPLC) ≥ 98.0%
Water Content (KF) ≤ 0.5%
Related Substances (HPLC) Total impurities ≤ 2.0%
Acidity (Titration) Conforms

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

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