Description

4-Amino-2,5-Dichlorophenol is a versatile halogenated aniline derivative that serves as a critical building block in advanced organic synthesis. Its value lies in the presence of both amino and hydroxyl functional groups on a dichlorinated aromatic ring, enabling its use in the production of high-performance dyes, pigments, and pharmaceutical intermediates. This compound is essential for manufacturers and R&D laboratories in the agrochemical, pharmaceutical, and specialty chemical industries seeking to develop novel active ingredients and colorants.

Application

• Dye and Pigment Intermediate: A key precursor in the synthesis of azo dyes, disperse dyes, and other complex organic pigments, providing color fastness and specific hue properties.
• Pharmaceutical Synthesis: Used as a versatile building block for constructing pharmacologically active molecules, particularly in the development of antimicrobial and anti-inflammatory agents.
• Agrochemical Manufacturing: Serves as an intermediate in the production of herbicides, fungicides, and plant growth regulators, where the chlorophenol structure is often bioactive.
• Polymer Additives: Can be utilized in the synthesis of antioxidants, UV stabilizers, and other specialty additives for plastics and coatings.
• Chemical Research & Development: Employed in academic and industrial R&D for exploring new organic reactions and creating novel chemical entities.
• Photographic Chemicals: Historically used in the formulation of certain photographic developers and other imaging chemicals.

Basic Information

Product Name	4-Amino-2,5-Dichlorophenol
CAS No.	50392-39-7
Molecular Formula	C6H5Cl2NO
Molecular Weight	178.02 g/mol
Synonyms	2,5-Dichloro-4-aminophenol; 4-Amino-2,5-dichlorophenol; 2,5-Dichloro-4-hydroxyaniline; 4-Hydroxy-2,5-dichloroaniline; Phenol, 4-amino-2,5-dichloro-; 4-Amino-2,5-dichlorophenol (ACI); 2,5-Dichloro-4-aminophenol
EINECS	Contact for details

Quality Control

Our 4-Amino-2,5-Dichlorophenol is produced under a stringent quality management system to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and purity, and is supplied with a corresponding Certificate of Analysis (COA). We are committed to meeting the specific quality standards required for pharmaceutical and industrial applications, with documentation available to support regulatory compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere for long-term preservation. Keep away from strong oxidizing agents, strong acids, and strong bases.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	158°C - 165°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.