Description

3,5-Dichloro-4,4'-Dihydroxydiphenylamine is a specialized aromatic amine derivative characterized by its phenolic and aniline functional groups. This compound is valued as a versatile chemical intermediate and building block in advanced organic synthesis, particularly for creating complex molecules with specific electronic or steric properties. It is primarily sought by R&D chemists and process engineers in the pharmaceutical, agrochemical, and specialty polymer industries for applications requiring high-purity, functionalized intermediates.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a halogenated diphenylamine core structure.
• Agrochemical Synthesis: Used in the research and development of novel herbicides, fungicides, and plant growth regulators.
• Polymer Chemistry: Serves as a monomer or cross-linking agent in the production of specialty polymers, such as high-performance resins and polyimides.
• Dye and Pigment Intermediate: Employed in the synthesis of complex organic dyes and pigments, leveraging its amine and phenolic groups for color development.
• Research & Development: A valuable reagent in academic and industrial laboratories for exploring new organic reactions and material science applications.
• Antioxidant Precursor: Potential use as a starting material for synthesizing specialized phenolic antioxidants for industrial use.

Basic Information

Product Name	3,5-Dichloro-4,4'-Dihydroxydiphenylamine
CAS No.	2099-87-8
Molecular Formula	C12H9Cl2NO2
Molecular Weight	270.11 g/mol
Synonyms	4,4'-Dihydroxy-3,5-dichlorodiphenylamine; Benzenamine, 4,4'-dihydroxy-3,5-dichloro-; 3,5-Dichloro-4,4'-dihydroxy-diphenylamine; 4-(4-Amino-2,6-dichlorophenoxy)phenol; 4,4'-Dihydroxy-3,5-dichlorophenylamine; N-(4-Hydroxyphenyl)-4-hydroxy-2,6-dichloroaniline
EINECS	218-250-6

Quality Control

Our 3,5-Dichloro-4,4'-Dihydroxydiphenylamine is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing specific results for purity, residual solvents, and heavy metals is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at a controlled room temperature (15-25°C). This material is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Off-white to light brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm

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