Description

2,2'-Diaminodiphenyl Sulfide is a specialized aromatic amine compound featuring a central sulfur atom linking two aniline rings. This unique structure makes it a valuable intermediate for synthesizing high-performance polymers, dyes, and pharmaceutical agents. It is essential for manufacturers and R&D chemists in the polymer, specialty chemical, and advanced material sectors seeking to develop products with enhanced thermal stability and specific functional properties.

Application

• Polymer Intermediate: A key monomer for the synthesis of polyimides, polyamides, and other high-temperature, high-performance polymers.
• Dye and Pigment Manufacturing: Serves as a precursor for sulfur-containing dyes and organic pigments.
• Pharmaceutical Synthesis: Used as a building block in the development of active pharmaceutical ingredients (APIs) and diagnostic agents.
• Corrosion Inhibitor Formulation: Incorporated into formulations designed to protect metals in harsh environments.
• Epoxy Curing Agent: Functions as a curing agent or hardener for epoxy resin systems.
• Liquid Crystal & OLED Material Research: Investigated as a component in advanced electronic and optoelectronic materials.
• Chelating Agent Precursor: Used to synthesize ligands for metal complexation and catalysis.
• Adhesive and Composite Material Production: Enhances the properties of adhesives and fiber-reinforced composite materials.

Basic Information

Product Name	2,2'-Diaminodiphenyl Sulfide
CAS No.	5873-51-8
Molecular Formula	C12H12N2S
Molecular Weight	216.30 g/mol
Synonyms	2,2'-Thiodianiline; Bis(2-aminophenyl) Sulfide; 2-Aminophenyl Sulfide; 2,2'-Sulfanediyldianiline; 2,2'-Dithioaniline; DAPS (2,2'-Diaminodiphenyl Sulfide); Benzenamine, 2,2'-thiobis-; NSC 403697
EINECS	227-527-6

Quality Control

Our 2,2'-Diaminodiphenyl Sulfide is produced under a stringent quality management system. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to guarantee compliance with your specific application 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). Due to its sensitivity to oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	95 - 100 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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