Description

4-Amino-3-Chlorophenol Hydrochloride is an important aromatic amine hydrochloride salt used as a versatile chemical intermediate. This compound is valued for its dual functional groups, which enable its use in the synthesis of more complex molecules, particularly in the pharmaceutical and dye industries. It is primarily sought by manufacturers in the life sciences and specialty chemical sectors for research and production purposes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated aniline moiety.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants, contributing to color fastness and specific hue properties.
• Agrochemical Synthesis: Used in the production of certain herbicides and pesticides where its chlorophenol structure is integral to biological activity.
• Research & Development: Employed in organic chemistry research for coupling reactions and as a model compound in methodological studies.
• Polymer Additives: Can be utilized in the synthesis of antioxidants or UV stabilizers for polymeric materials.

Basic Information

Product Name	4-Amino-3-Chlorophenol Hydrochloride
CAS No.	52671-64-4
Molecular Formula	C6H7Cl2NO
Molecular Weight	180.03 g/mol (Free base: C6H6ClNO)
Synonyms	3-Chloro-4-aminophenol hydrochloride; 4-Amino-3-chlorophenol HCl; 4-Amino-3-chlorophenol monohydrochloride; 3-Chloro-4-hydroxyaniline hydrochloride; 1-Amino-2-chloro-4-hydroxybenzene hydrochloride; Phenol, 4-amino-3-chloro-, hydrochloride; 4-Hydroxy-2-chloroaniline hydrochloride
EINECS	Contact for details

Quality Control

Our 4-Amino-3-Chlorophenol Hydrochloride is produced under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing specifications such as assay, impurity profile, and physical characteristics are provided and available upon request to support your quality assurance protocols.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed to prevent degradation from atmospheric moisture.

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)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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