Description

4,4'-Dichloro-2,2'-Diaminodiphenyl is a halogenated aromatic diamine compound, serving as a critical building block in advanced organic synthesis. Its value lies in its bifunctional structure, which enables the creation of high-performance polymers and specialty chemicals with tailored properties. This intermediate is essential for manufacturers in the pharmaceutical, agrochemical, and polymer industries seeking to develop products with enhanced thermal stability and chemical resistance.

Application

• Pharmaceutical Intermediate: A key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, halogenated biphenyl core.
• Polymer & Resin Production: Used as a monomer or chain extender in the manufacture of high-performance polyimides, polyamides, and epoxy resins, imparting excellent thermal and mechanical properties.
• Agrochemical Synthesis: Serves as a foundational intermediate for developing herbicides, fungicides, and other crop protection agents.
• Dye & Pigment Manufacturing: Employed in the production of complex organic dyes and pigments, where its diamine functionality allows for colorant development.
• Liquid Crystal Materials: A potential component in the synthesis of monomers for liquid crystal displays (LCDs) due to its rigid, linear structure.
• Cross-linking Agent: Functions as a cross-linker in specialty polymer formulations to enhance network density and material performance.

Basic Information

Product Name	4,4'-Dichloro-2,2'-Diaminodiphenyl
CAS No.	169797-34-6
Molecular Formula	C12H10Cl2N2
Molecular Weight	253.13 g/mol
Synonyms	2,2'-Diamino-4,4'-dichlorobiphenyl; 4,4'-Dichlorobenzidine (Note: This is a structural isomer, use with caution); 4,4'-Dichloro-[1,1'-biphenyl]-2,2'-diamine; 2,2'-Bis(aminophenyl)-4,4'-dichloride; Biphenyl-2,2'-diamine, 4,4'-dichloro-; DCBP; 4,4'-DCDA
EINECS	Contact for details

Quality Control

Our 4,4'-Dichloro-2,2'-Diaminodiphenyl is produced under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity and identity. Certificates of Analysis (COA) detailing results for assay, related substances, and other critical parameters are provided with every shipment to guarantee traceability and batch-to-batch consistency for your R&D and production needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its light-sensitive nature and propensity for oxidation, prolonged exposure to light and air should be avoided. For long-term storage, consider an inert atmosphere.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Heavy Metals	≤ 20 ppm

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