Description

4,4'-Dithiodianiline is a high-purity organic compound featuring a disulfide bridge connecting two aniline moieties. This unique structure makes it a valuable building block and intermediate in advanced chemical synthesis, particularly for creating polymers and functional materials. It is essential for R&D and production in the pharmaceutical, agrochemical, and specialty polymer industries.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), especially those requiring disulfide-linked structures.
• Polymer & Resin Synthesis: Used as a monomer or cross-linking agent for producing high-performance polyimides, epoxy resins, and other specialty polymers.
• Agrochemical Manufacturing: Serves as an intermediate in the development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Aromatic amine component for synthesizing advanced electronic and optoelectronic materials.
• Cross-linking Agent: Utilized in rubber vulcanization and as a curing agent for specific elastomer formulations.
• Research & Development: Fundamental compound for academic and industrial research in organic chemistry and material science.

Basic Information

Product Name	4,4'-Dithiodianiline
CAS No.	722-27-0
Molecular Formula	C12H12N2S2
Molecular Weight	248.37 g/mol
Synonyms	Bis(4-aminophenyl) disulfide; 4-Aminophenyl disulfide; DADPS; 4,4'-Diaminodiphenyl disulfide; p,p'-Dithiodianiline; 4,4'-Disulfanediyldianiline; Aniline, 4,4'-dithiobis-
EINECS	211-963-6

Quality Control

Our 4,4'-Dithiodianiline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, GC, and NMR, to ensure high purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	97 - 102 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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