Description

3-Amino-5-Chlorobenzoic Acid is a high-purity aromatic organic compound that serves as a critical multifunctional building block in advanced chemical synthesis. Its unique structure, featuring both an amino and a carboxylic acid group on a chlorinated benzene ring, makes it an exceptionally versatile intermediate for constructing complex molecules. This compound is essential for research and production in the pharmaceutical, agrochemical, and specialty chemical industries, where it is used to develop active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of various active pharmaceutical ingredients (APIs), particularly those with benzodiazepine or similar heterocyclic structures.
• Agrochemical Synthesis: Used in the manufacture of herbicides, fungicides, and plant growth regulators, leveraging its halogen and amino functionality.
• Dye and Pigment Production: Serves as a starting material for azo dyes and other complex colorants due to its diazotizable amino group.
• Ligand and Chelating Agent: The carboxylic acid and amino groups make it useful for creating metal-organic frameworks (MOFs) and specialized ligands for catalysis.
• Polymer Modification: Employed as a monomer or functionalizing agent to introduce aromatic, amino, or acid groups into polymer chains for enhanced properties.
• Research & Development: A valuable reagent in academic and industrial R&D for exploring new synthetic pathways and novel chemical entities.

Basic Information

Product Name	3-Amino-5-Chlorobenzoic Acid
CAS No.	21961-30-8
Molecular Formula	C7H6ClNO2
Molecular Weight	171.58 g/mol
Synonyms	5-Chloro-3-aminobenzoic Acid; 3-Amino-5-chlorobenzoic Acid; Benzoic acid, 3-amino-5-chloro-; 5-Chloro-m-aminobenzoic Acid; 3-Carboxy-5-chloroaniline; 5-Chloro-3-aminobenzoic Acid; 3-Amino-5-chlorobenzoic acid; 21961-30-8
EINECS	244-671-2

Quality Control

Our 3-Amino-5-Chlorobenzoic Acid is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the high standards required for sensitive synthesis applications. A detailed Certificate of Analysis (COA) is provided with each shipment, guaranteeing traceability and consistent batch-to-batch quality for your production processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). The compound may be hygroscopic (moisture-sensitive); keep the container tightly sealed when not in use to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥98.0%
Melting Point	205°C - 210°C
Loss on Drying	≤1.0%
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.