Description

2,4-Dichloro-5-Methylbenzoic Acid is a versatile chlorinated benzoic acid derivative that serves as a critical synthetic intermediate in advanced organic chemistry. Its value lies in the strategic positioning of its chlorine and methyl substituents, which enable selective functionalization for constructing 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 specialty fine chemicals.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of anti-inflammatory and antimicrobial agents.
• Agrochemical Synthesis: Used in the production of advanced herbicides and fungicides, leveraging its halogenated aromatic structure.
• Liquid Crystal & Polymer Chemistry: Serves as a precursor for mesogenic units in liquid crystal displays (LCDs) and as a monomer for high-performance polymers.
• Dyestuff & Pigment Manufacturing: Acts as an intermediate in the synthesis of complex organic dyes and pigments.
• Organic Synthesis & Research: A valuable reagent for introducing the 2,4-dichloro-5-methylphenyl moiety into target molecules via coupling or derivatization reactions.
• Coordination Chemistry: Can be used to synthesize ligands for metal-organic frameworks (MOFs) and catalysts.

Basic Information

Product Name	2,4-Dichloro-5-Methylbenzoic Acid
CAS No.	6660-59-9
Molecular Formula	C8H6Cl2O2
Molecular Weight	205.04 g/mol
Synonyms	5-Methyl-2,4-dichlorobenzoic acid; 2,4-Dichloro-5-methylbenzoic acid; Benzoic acid, 2,4-dichloro-5-methyl-; 2,4-Dichloro-5-methyl-benzoic acid; NSC 403107; 6660-59-9; 2,4-Dichloro-5-toluic acid
EINECS	229-704-7

Quality Control

Our production of 2,4-Dichloro-5-Methylbenzoic Acid adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed against comprehensive specifications using advanced analytical techniques such as HPLC, GC, and NMR. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from strong bases, strong oxidizing agents, and sources of ignition.

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.