Description

2,4-Dichloro-5-Hydroxyaniline is a versatile aromatic amine derivative that serves as a critical building block in advanced organic synthesis. Its value lies in the strategic positioning of its functional groups—chlorine atoms and a hydroxyl group—which enable precise chemical modifications for creating high-value intermediates. This compound is essential for research and production chemists in the pharmaceutical, agrochemical, and specialty chemical industries who require a reliable, high-purity precursor for developing active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A key starting material for the synthesis of active pharmaceutical ingredients (APIs), particularly in the development of antimicrobial and anti-inflammatory agents.
• Agrochemical Synthesis: Used in the production of herbicides, fungicides, and plant growth regulators, leveraging its chlorinated aniline structure.
• Dye and Pigment Manufacturing: Serves as a precursor for azo dyes and other complex colorants, where the hydroxy and amino groups facilitate chromophore formation.
• Polymer Chemistry: Acts as a monomer or cross-linking agent in the synthesis of specialty polymers, including polyurethanes and epoxy resins.
• Chemical Research & Development: Employed in academic and industrial R&D labs for exploring novel organic reactions and synthesizing complex molecular architectures.
• Photographic Chemicals: Used in the formulation of certain photographic developers and other light-sensitive materials.

Basic Information

Product Name	2,4-Dichloro-5-Hydroxyaniline
CAS No.	39489-79-7
Molecular Formula	C6H5Cl2NO
Molecular Weight	178.02 g/mol
Synonyms	5-Amino-2,4-dichlorophenol; 2,4-Dichloro-5-aminophenol; 1-Amino-2,4-dichloro-5-hydroxybenzene; 5-Hydroxy-2,4-dichloroaniline; Benzenamine, 2,4-dichloro-5-hydroxy-; 2,4-Dichloro-5-hydroxybenzenamine
EINECS	Contact for details

Quality Control

Our 2,4-Dichloro-5-Hydroxyaniline is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for synthesis and research applications. A comprehensive Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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, open flames, and incompatible materials. Due to its light-sensitive nature, containers should be amber-colored or stored in light-resistant secondary packaging.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	145 - 150 °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.