Description

Methyl 3,4-Dichlorobenzoate is a versatile organic ester derivative of 3,4-dichlorobenzoic acid, serving as a critical synthetic intermediate in advanced chemical manufacturing. Its value lies in providing a protected carboxylic acid group and a reactive methyl ester moiety, enabling precise molecular construction for complex target compounds. This high-purity building block is essential for researchers and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries seeking reliable, high-quality raw materials for their synthesis pipelines.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly those with halogenated aromatic systems.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and insecticides where the 3,4-dichlorophenyl moiety is a common active component.
• Organic Synthesis & Research: Serves as a versatile precursor for further transformations, including hydrolysis to the acid, reduction to the alcohol, or use in cross-coupling reactions.
• Liquid Crystal & Electronic Chemical Intermediate: A potential monomer or intermediate in the synthesis of specialty polymers and electronic materials requiring specific aromatic esters.
• Dye & Pigment Manufacturing: Acts as an intermediate in the production of complex organic dyes and pigments.

Basic Information

Product Name	Methyl 3,4-Dichlorobenzoate
CAS No.	2905-68-2
Molecular Formula	C8H6Cl2O2
Molecular Weight	205.04 g/mol
Synonyms	3,4-Dichlorobenzoic Acid Methyl Ester; Methyl 3,4-Dichlorobenzoate; Benzoic acid, 3,4-dichloro-, methyl ester; Methyl 3,4-dichlorobenzenecarboxylate; 3,4-Dichlorobenzenecarboxylic acid methyl ester; Methyl m,p-dichlorobenzoate
EINECS	220-828-7

Quality Control

Our Methyl 3,4-Dichlorobenzoate is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the highest standards of purity and consistency required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting key parameters such as assay, identity, and impurity profiles.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, sparks, and open flame. For long-term storage, consider under an inert atmosphere to maintain optimal purity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	64 - 68 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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