Description

2,2'-Diaminodiphenyl Disulphide is a specialized aromatic disulfide compound featuring two amine functional groups. 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 life science research sectors for applications requiring cross-linking, chain extension, or as a precursor for heterocyclic compounds.

Application

• Polymer Synthesis: Key intermediate for producing polybenzothiazoles, polyimides, and other high-temperature resistant polymers.
• Cross-linking Agent: Used in epoxy and rubber formulations to enhance thermal stability and mechanical properties.
• Pharmaceutical Intermediate: Serves as a building block in the synthesis of certain active pharmaceutical ingredients (APIs) and diagnostic agents.
• Dye and Pigment Manufacturing: Precursor for creating sulfur-containing dyes and organic pigments.
• Ligand for Metal Complexes: Utilized in coordination chemistry and catalysis due to its chelating amine and sulfide groups.
• Research & Development: Employed in academic and industrial R&D for novel material science and organic synthesis projects.

Basic Information

Product Name	2,2'-Diaminodiphenyl Disulphide
CAS No.	1141-88-4
Molecular Formula	C12H12N2S2
Molecular Weight	248.37 g/mol
Synonyms	2,2'-Dithiodianiline; Bis(2-aminophenyl) Disulfide; 2-Aminophenyl Disulfide; 2,2'-Dithiobis(aniline); [2-(2-Aminophenyl)disulfanyl]aniline; o,o'-Dithiodianiline; 2,2'-Disulfanediyldianiline
EINECS	214-525-7

Quality Control

Our 2,2'-Diaminodiphenyl Disulphide is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via FT-IR and NMR spectroscopy, to ensure it meets precise customer specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and acids. Due to its light-sensitive nature, prolonged exposure to light should be avoided.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 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.