Description

4-Chloro-2,3-Dimethylbenzoic Acid is a versatile chlorinated dimethylbenzoic acid derivative that serves as a critical building block in advanced organic synthesis. Its value lies in its unique substitution pattern, which provides a sterically hindered carboxylic acid functional group for creating complex molecular architectures. This compound is essential for researchers and manufacturers in the pharmaceutical and agrochemical industries, where it is used to develop active ingredients and novel intermediates.

Application

• Pharmaceutical Intermediate: A key synthon for the preparation of active pharmaceutical ingredients (APIs), particularly in the synthesis of non-steroidal anti-inflammatory drugs (NSAIDs) and other therapeutic agents.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and plant growth regulators, leveraging its halogenated aromatic structure.
• Liquid Crystal & Polymer Chemistry: Acts as a monomer or precursor for specialty polymers and liquid crystal materials due to its rigid, substituted benzene core.
• Organic Synthesis & Research: Serves as a versatile starting material or intermediate in academic and industrial R&D for coupling reactions, esterifications, and amide formations.
• Dyestuff & Pigment Manufacturing: Utilized in the synthesis of complex dyes and organic pigments where chlorinated benzoic acids are required.

Basic Information

Product Name	4-Chloro-2,3-Dimethylbenzoic Acid
CAS No.	5628-66-0
Molecular Formula	C9H9ClO2
Molecular Weight	184.62 g/mol
Synonyms	2,3-Dimethyl-4-chlorobenzoic Acid; 4-Chloro-2,3-dimethylbenzoic acid; Benzoic acid, 4-chloro-2,3-dimethyl-; 4-Chloro-2,3-dimethyl-benzoic acid; 2,3-Dimethyl-4-chloro-benzoic acid; 4-Chloro-2,3-dimethylbenzoic acid (CAS 5628-66-0); 4-Chloro-2,3-dimethylbenzoic acid, 98+%
EINECS	Contact for details

Quality Control

Our 4-Chloro-2,3-Dimethylbenzoic Acid is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee it meets your specific research or production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 162°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.