Description

2,4,5-Trichlorobenzoyl Chloride CAS NO 42221-49-8 is a versatile and highly reactive organic intermediate, primarily used as a key building block in the synthesis of more complex molecules. Its value lies in its ability to introduce the trichlorobenzoyl functional group, which is crucial for modifying the properties of target compounds in advanced chemical manufacturing. This product is essential for research institutions and industrial manufacturers in the agrochemical, pharmaceutical, and specialty chemical sectors seeking reliable, high-purity intermediates for their synthesis workflows.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of advanced herbicides, fungicides, and plant growth regulators, where the trichlorobenzoyl moiety contributes to biological activity.
• Pharmaceutical Synthesis: Serves as a key building block for constructing active pharmaceutical ingredients (APIs), particularly in the development of compounds requiring specific halogenated aromatic structures.
• Dye and Pigment Manufacturing: Used in the production of specialized dyes and organic pigments, where it acts as an acylating agent to create colorants with enhanced stability and properties.
• Polymer Chemistry: Employed as a monomer or modifying agent in the synthesis of high-performance polymers, such as polyamides or polyesters, to impart specific thermal or chemical resistance.
• Liquid Crystal & OLED Materials: Functions as an intermediate in the production of advanced electronic materials, including liquid crystals and organic light-emitting diode (OLED) components.
• Chemical Research & Development: A valuable reagent in organic synthesis laboratories for exploring new reaction pathways and developing novel chemical entities.

Basic Information

Product Name	2,4,5-Trichlorobenzoyl Chloride
CAS No.	42221-49-8
Molecular Formula	C7H2Cl4O
Molecular Weight	243.90 g/mol
Synonyms	2,4,5-Trichlorobenzoic acid chloride; Benzoyl chloride, 2,4,5-trichloro-; 2,4,5-Trichlorobenzoic chloride; 2,4,5-Trichlorobenzene-1-carbonyl chloride; TCB-Cl; 42221-49-8; 2,4,5-Trichlorobenzoylchloride
EINECS	Contact for details

Quality Control

Our 2,4,5-Trichlorobenzoyl Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and IR/NMR for structural confirmation, to ensure it meets exacting specifications for use in sensitive synthesis applications. Certificates of Analysis (COA) documenting all critical quality attributes are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, alcohols, and amines. Due to its hygroscopic and moisture-sensitive nature, containers should be kept sealed under an inert atmosphere (e.g., nitrogen or argon) when not in use to prevent hydrolysis. Recommended storage temperature is 2-8°C for long-term stability.

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.