Description

4-Chlorobenzoyl 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 4-chlorobenzoyl moiety. It is essential for manufacturers and R&D teams in the pharmaceutical, agrochemical, and specialty chemical industries seeking to develop new active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of various active pharmaceutical ingredients (APIs), including certain non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides, where the chlorobenzoyl group contributes to biological activity.
• Dye and Pigment Manufacturing: Acts as an intermediate in the creation of specific azo dyes and organic pigments.
• Polymer Chemistry: Employed as a monomer or modifying agent in the synthesis of specialty polymers, such as polyamides and polyesters, to impart specific properties.
• Liquid Crystal Materials: Serves as a starting material in the production of compounds used in liquid crystal displays (LCDs).
• Organic Synthesis Reagent: A fundamental reagent for Friedel-Crafts acylation and other reactions to form ketones, amides, and esters in research and development.

Basic Information

Product Name	4-Chlorobenzoyl Chloride
CAS No.	122-01-0
Molecular Formula	C7H4Cl2O
Molecular Weight	175.01 g/mol
Synonyms	p-Chlorobenzoyl Chloride; 4-Chlorobenzoic Acid Chloride; Benzoic acid, 4-chloro-, chloride; p-Chlorobenzoic Acid Chloride; 1-Chloro-4-(chlorocarbonyl)benzene; 4-Chlorobenzene-1-carbonyl chloride; p-Carboxybenzoyl Chloride (archaic); PCBC
EINECS	204-515-9

Quality Control

Our 4-Chlorobenzoyl Chloride is produced under stringent quality management systems. Every batch undergoes comprehensive analytical testing to ensure high purity and consistency, meeting the exacting requirements of industrial and research applications. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

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 must be kept tightly sealed under a dry inert atmosphere (e.g., nitrogen) to prevent hydrolysis. Recommended storage temperature: 2-8°C for long-term stability.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 98.5%
Water Content (KF)	≤ 0.5%
Free Acid (as 4-Chlorobenzoic Acid)	≤ 1.0%

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