Description

5,5'-Dichloro-2,2'-Diaminodiphenyl is a high-purity aromatic diamine derivative, serving as a critical building block in advanced chemical synthesis. Its value lies in its bifunctional structure, providing two reactive amino groups and halogen substituents that enable precise molecular construction. This compound is essential for manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries seeking to develop high-performance intermediates, dyes, and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring a rigid, halogenated biphenyl core.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators where the dichloro-diamino structure imparts specific biological activity.
• Polymer & Resin Modifier: Acts as a curing agent or chain extender in epoxy and polyurethane systems, enhancing thermal stability and mechanical properties.
• Dye & Pigment Manufacturing: Serves as a diazo component for creating azo dyes and pigments with excellent color fastness and specific hue properties.
• Liquid Crystal & OLED Materials: A valuable intermediate for synthesizing charge-transport materials and aligning agents in electronic displays.
• Corrosion Inhibitor Formulation: Incorporated into coatings and additives where its aromatic amine structure provides effective metal surface passivation.
• Research & Development: Used in academic and industrial R&D for exploring new organic compounds, ligands for catalysis, and advanced material science.

Basic Information

Product Name	5,5'-Dichloro-2,2'-Diaminodiphenyl
CAS No.	2849-36-7
Molecular Formula	C12H10Cl2N2
Molecular Weight	253.13 g/mol
Synonyms	2,2'-Diamino-5,5'-dichlorobiphenyl; 5,5'-Dichlorobenzidine; 3,3'-Dichlorobenzidine (Note: This is a positional isomer, commonly searched); DCB; Dichlorodiaminodiphenyl; Bis(3-chloro-4-aminophenyl); 3,3'-Dichloro-4,4'-diaminobiphenyl; 5,5'-Dichloro-[1,1'-biphenyl]-2,2'-diamine
EINECS	220-647-2

Quality Control

Our 5,5'-Dichloro-2,2'-Diaminodiphenyl is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets the high-purity standards required for sensitive synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment, documenting purity, identity, and impurity profiles. We adhere to relevant industry guidelines to ensure consistent quality and supply reliability for our global B2B partners.

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). Keep away from heat, sparks, and open flame. Due to its light-sensitive nature, containers should be amber or opaque. For long-term storage, consider an inert atmosphere to prevent potential oxidation.

Specification

Item	Specification
Appearance	Off-white to light tan crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	162 - 167 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Total impurities ≤ 2.0%

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