Description

5-Chloro-2-Methoxybenzoic Acid is a versatile organic building block and key intermediate in fine chemical synthesis. Its value lies in its functionalized aromatic ring, which allows for selective chemical modifications to create more complex molecules. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries developing new active ingredients and advanced materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with anti-inflammatory or analgesic properties.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its halogenated methoxybenzoic acid structure.
• Liquid Crystal & OLED Material Precursor: Serves as a starting material for synthesizing advanced organic electronic compounds and liquid crystal display (LCD) components.
• Dye & Pigment Intermediate: Employed in the manufacture of complex dyes, pigments, and colorants for industrial applications.
• Organic Synthesis Building Block: Utilized in academic and industrial R&D for coupling reactions, esterifications, and amide formations to create novel chemical entities.
• Polymer Modifier: Acts as a monomer or additive to introduce specific functional groups into polymer chains, altering their physical or chemical properties.

Basic Information

Product Name	5-Chloro-2-Methoxybenzoic Acid
CAS No.	3438-16-2
Molecular Formula	C8H7ClO3
Molecular Weight	186.59 g/mol
Synonyms	2-Methoxy-5-chlorobenzoic Acid; 5-Chloro-o-anisic Acid; 5-Chloro-2-methoxybenzoic acid; Benzoic acid, 5-chloro-2-methoxy-; 5-Chloro-2-methoxybenzoic acid (9CI); 5-Chloro-o-methoxybenzoic acid
EINECS	222-341-3

Quality Control

Our 5-Chloro-2-Methoxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure containers are kept sealed to prevent absorption of atmospheric moisture, which can affect purity and stability.

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%
Heavy Metals (as Pb)	≤20 ppm
Residue on Ignition	≤0.1%

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