Description

4-Chlorobenzoic Acid is a versatile chlorinated aromatic carboxylic acid widely used as a key synthetic intermediate in organic chemistry. Its value lies in the reactivity of both the carboxylic acid and chlorine functional groups, enabling a wide range of chemical transformations. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries, serving as a crucial building block for active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key starting material or intermediate in the synthesis of various active pharmaceutical ingredients (APIs), including anti-inflammatory and antimicrobial agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging the chlorobenzene moiety for biological activity.
• Liquid Crystal & Polymer Chemistry: Serves as a precursor for mesogens and monomers used in liquid crystal displays (LCDs) and high-performance polymers.
• Dyestuff & Pigment Manufacturing: Acts as an intermediate in the synthesis of azo dyes and organic pigments, contributing to color fastness and stability.
• Organic Synthesis & Research: Employed in laboratories for coupling reactions, esterifications, and as a model compound for studying electrophilic aromatic substitution and carboxyl group reactivity.
• Corrosion Inhibitor Formulation: Used in the development of specialty chemicals that protect metals in industrial processes.

Basic Information

Product Name	4-Chlorobenzoic Acid
CAS No.	74-11-3
Molecular Formula	C7H5ClO2
Molecular Weight	156.57 g/mol
Synonyms	p-Chlorobenzoic Acid; 4-Chlorobenzenecarboxylic Acid; Benzoic acid, 4-chloro-; PCBA; 1-Carboxy-4-chlorobenzene; 4-Chlorodracylic Acid; NSC 2216; p-Carboxychlorobenzene
EINECS	200-805-9

Quality Control

Our 4-Chlorobenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for industrial and research applications. Certificates of Analysis (COA) documenting purity, physical properties, and test results are provided with every shipment and are 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 and oxidizing agents. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use to minimize exposure to moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	238 - 243 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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