Description

4-Amino-3-Chloro-5-Hydroxy-Benzoic Acid is a high-purity, multi-functional aromatic compound that serves as a critical building block in advanced chemical synthesis. Its unique substitution pattern makes it a valuable intermediate for creating complex molecules with tailored properties. This product is essential for research and development laboratories and industrial-scale manufacturers in the pharmaceutical and agrochemical sectors seeking to develop new active ingredients.

Application

The versatile structure of 4-Amino-3-Chloro-5-Hydroxy-Benzoic Acid enables its use in several high-value synthetic pathways. Key application areas include:

• Pharmaceutical Intermediate: A key precursor in the synthesis of novel active pharmaceutical ingredients (APIs), particularly for drugs targeting specific enzymatic pathways.
• Agrochemical Synthesis: Used in the development of advanced herbicides, fungicides, and plant growth regulators, leveraging its halogenated benzoic acid core.
• Dye and Pigment Manufacturing: Serves as a starting material for producing specialized azo dyes and high-performance pigments due to its amino and hydroxy functional groups.
• Ligand and Chelating Agent Precursor: The functional groups make it suitable for synthesizing complexing agents used in catalysis or metal ion sequestration.
• Research & Development: A valuable building block in medicinal chemistry and material science research for creating compound libraries and testing new molecular entities.

Basic Information

Product Name	4-Amino-3-Chloro-5-Hydroxy-Benzoic Acid
CAS No.	202195-65-1
Molecular Formula	C7H6ClNO3
Molecular Weight	187.58 g/mol
Synonyms	3-Chloro-5-hydroxy-4-aminobenzoic acid; 4-Amino-3-chloro-5-hydroxybenzoic acid; Benzoic acid, 4-amino-3-chloro-5-hydroxy-; 5-Hydroxy-4-amino-3-chlorobenzoic acid; 3-Chloro-4-amino-5-hydroxybenzoic acid; 4-Amino-5-hydroxy-3-chlorobenzoic acid
EINECS	Contact for details

Quality Control

Our production of 4-Amino-3-Chloro-5-Hydroxy-Benzoic Acid adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency meet the high standards required for synthetic intermediates. Certificates of Analysis (COA) documenting key parameters such as assay, impurity profile, and physical characteristics are provided and available upon request to support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and handling properties.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0% Any single impurity ≤ 0.5%

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