Description

2-Chloro-4-Methoxybenzoic Acid is a versatile aromatic carboxylic acid derivative that serves as a critical building block in advanced organic synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with tailored properties. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a substituted benzoic acid scaffold.
• Agrochemical Synthesis: Used in the development of herbicides, fungicides, and plant growth regulators where the chloro and methoxy groups impart specific bioactivity.
• Liquid Crystal & OLED Materials: Serves as a starting material for synthesizing advanced electronic chemicals and functional materials for displays.
• Dye & Pigment Manufacturing: Intermediate for producing azo dyes and other complex colorants.
• Polymer Modification: Used to introduce functional groups into polymer chains to alter physical or chemical properties.
• Organic Synthesis & Research: A versatile reagent for coupling reactions, esterifications, and amide formations in academic and industrial R&D laboratories.

Basic Information

Product Name	2-Chloro-4-Methoxybenzoic Acid
CAS No.	21971-21-1
Molecular Formula	C8H7ClO3
Molecular Weight	186.59 g/mol
Synonyms	2-Chloro-4-methoxybenzoic acid; 4-Methoxy-2-chlorobenzoic acid; 2-Chloro-p-anisic acid; o-Chloro-p-methoxybenzoic acid; Benzoic acid, 2-chloro-4-methoxy-; 21971-21-1; NSC 403108
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-Methoxybenzoic Acid is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. Certificates of Analysis (COA) detailing identity, purity, and impurity profiles are provided with every shipment to support your quality assurance protocols.

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 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.