Description

3-Chloro-4-Methoxybenzoic Acid is a versatile halogenated aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique structure, featuring both chloro and methoxy substituents, provides a valuable handle for regioselective chemical modifications. This high-purity intermediate is essential for research and production in the pharmaceutical and agrochemical sectors, where it is used to construct complex molecules with specific biological activities.

Application

• Pharmaceutical Intermediate: Key starting material or advanced intermediate in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, where the chloromethoxy benzoate structure contributes to bioactivity.
• Liquid Crystal & OLED Materials: Serves as a precursor for synthesizing specialized aromatic compounds used in electronic display technologies and organic light-emitting diodes.
• Dye & Pigment Manufacturing: Intermediate for producing azo dyes and complex organic pigments, where it modifies color properties and stability.
• Polymer Modification: Acts as a monomer or functionalizing agent to introduce aromatic and carboxylic acid groups into polymer chains, altering material properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new chemical reactions and developing novel compounds.

Basic Information

Product Name	3-Chloro-4-Methoxybenzoic Acid
CAS No.	37908-96-6
Molecular Formula	C8H7ClO3
Molecular Weight	186.59 g/mol
Synonyms	3-Chloro-4-methoxybenzoic acid; 4-Methoxy-3-chlorobenzoic acid; Benzoic acid, 3-chloro-4-methoxy-; 3-Chloro-p-anisic acid; 3-Chloro-4-methoxy-benzoic acid; 3-Chloro-4-methoxybenzoicacid; 3-Chloro-4-methoxy-benzoesaeure; Acide 3-chloro-4-methoxybenzoique
EINECS	Contact for details

Quality Control

Our 3-Chloro-4-Methoxybenzoic Acid is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment. We can supply material compliant with various customer-specific 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). Keep away from strong oxidizing agents, strong bases, and heat sources.

Specification

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