Description

2-Chloro-4-Hydroxybenzoic Acid is a versatile halogenated hydroxybenzoic acid derivative that serves as a critical building block in advanced organic synthesis. This compound matters for its dual functional groups, which allow for selective chemical modifications, making it a valuable intermediate for creating more complex molecules. Industries such as pharmaceuticals, agrochemicals, and specialty chemical manufacturing need this high-purity intermediate for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key starting material in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for anti-inflammatory and antimicrobial agents.
• Agrochemical Synthesis: Used in the production of herbicides and plant growth regulators, leveraging its halogen and carboxylate functionalities.
• Liquid Crystal & Polymer Chemistry: Serves as a monomer or precursor for specialty polymers and liquid crystal displays (LCDs) due to its rigid aromatic structure.
• Dye & Pigment Manufacturing: Acts as an intermediate for synthesizing azo dyes and complex organic pigments.
• Organic Synthesis Building Block: Employed in cross-coupling reactions and esterification processes to create fine chemicals and research compounds.
• UV Absorber & Stabilizer Precursor: Used in the development of additives for plastics and coatings to enhance light stability.

Basic Information

Product Name	2-Chloro-4-Hydroxybenzoic Acid
CAS No.	56363-84-9
Molecular Formula	C7H5ClO3
Molecular Weight	172.57 g/mol
Synonyms	4-Hydroxy-2-chlorobenzoic Acid; 2-Chloro-4-hydroxybenzoic acid; 2-Chloro-p-hydroxybenzoic acid; Benzoic acid, 2-chloro-4-hydroxy-; 2-Chloro-4-hydroxy-benzoic acid; 2-Chloro-4-hydroxybenzoic acid (9CI); 4-Carboxy-3-chlorophenol
EINECS	Contact for details

Quality Control

Our 2-Chloro-4-Hydroxybenzoic Acid is manufactured under a strict quality management system to ensure batch-to-batch consistency and high purity. The product undergoes rigorous analytical testing, including HPLC for assay and related substances, to meet exacting customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	215°C - 220°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.