Description

4,5-Dichloro-2-Methoxybenzoic Acid is a versatile halogenated 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 methoxy substituents, which make it a valuable building block for constructing complex molecules with specific electronic and steric properties. This compound is primarily needed by research and development chemists in the pharmaceutical and agrochemical industries for the synthesis of active ingredients and novel chemical entities.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoic acid core.
• Agrochemical Synthesis: Used in the research and production of herbicides, fungicides, and other crop protection agents where the dichloro-methoxy pattern confers specific bioactivity.
• Material Science Research: Serves as a monomer or precursor for developing specialty polymers, liquid crystals, and organic electronic materials.
• Chemical Research & Development: A valuable reagent for medicinal chemistry programs, enabling structure-activity relationship (SAR) studies and library synthesis.
• Dye and Pigment Intermediate: Potential use in the synthesis of complex organic dyes and pigments due to its aromatic structure and functional groups.

Basic Information

Product Name	4,5-Dichloro-2-Methoxybenzoic Acid
CAS No.	201150-65-4
Molecular Formula	C8H6Cl2O3
Molecular Weight	221.04 g/mol
Synonyms	2-Methoxy-4,5-dichlorobenzoic Acid; 4,5-Dichloro-2-methoxybenzoic acid; 4,5-Dichloro-o-anisic acid; Benzoic acid, 4,5-dichloro-2-methoxy-; 2-Methoxy-4,5-dichlorobenzoic acid; 4,5-Dichloro-2-anisic acid
EINECS	Contact for details

Quality Control

Our 4,5-Dichloro-2-Methoxybenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, impurity profile, and physical characteristics. Our quality commitment ensures material integrity for your critical R&D and scale-up processes.

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). 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	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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