Description

4,4-Diamino-2,2'-Dichlorodiphenyl Disulfide is a specialized aromatic disulfide compound featuring amino and chloro substituents. This unique bifunctional structure makes it a valuable intermediate for synthesizing high-performance polymers, dyes, and pharmaceutical agents. It is primarily sought by manufacturers in the polymer, specialty chemical, and advanced materials sectors for applications requiring thermally stable and chemically resistant components.

Application

• Key intermediate in the synthesis of high-temperature resistant polymers and polyimides.
• Precursor for the production of specialized dyes and pigments, particularly for high-fastness applications.
• Building block in pharmaceutical research for creating novel drug candidates and active pharmaceutical ingredients (APIs).
• Used in the development of liquid crystal polymers (LCPs) and other advanced engineering plastics.
• Intermediate for vulcanization accelerators and other additives in the rubber industry.
• Starting material for synthesizing ligands and complexes in coordination chemistry and catalysis.

Basic Information

Product Name	4,4-Diamino-2,2'-Dichlorodiphenyl Disulfide
CAS No.	729-41-9
Molecular Formula	C12H10Cl2N2S2
Molecular Weight	325.26 g/mol
Synonyms	2,2'-Dichloro-4,4'-diaminodiphenyl disulfide; 4,4'-Diamino-2,2'-dichlorodiphenyl disulfide; Bis(3-chloro-4-aminophenyl) disulfide; 2,2'-Dichlorobenzidine disulfide; 4-Amino-2-chlorophenyl disulfide dimer; DCDADS; 729-41-9
EINECS	Contact for details

Quality Control

Our 4,4-Diamino-2,2'-Dichlorodiphenyl Disulfide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing to ensure identity, purity, and consistency. A Certificate of Analysis (COA) detailing key parameters is provided with every shipment to guarantee it meets your specific technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; therefore, containers must be kept tightly sealed and away from direct light to maintain stability and prevent degradation.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals (as Pb)	≤ 20 ppm

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