Description

2,2'-Dichloro-4,4'-Stilbenediamine CAS NO 73926-91-7 is a specialized aromatic diamine derivative of stilbene, characterized by its distinct chlorine substitution pattern. This compound serves as a critical high-purity intermediate in advanced organic synthesis, where its rigid molecular structure and reactive amine groups are essential for constructing complex chemical architectures. It is primarily required by manufacturers in the pharmaceutical, agrochemical, and specialty polymer industries for research and production of active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: Key building block in the synthesis of novel therapeutic agents and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Polymer & Material Science: Serves as a monomer or cross-linking agent for high-performance polymers, epoxy resins, and polyimides.
• Dye & Pigment Manufacturing: Intermediate for creating specialized azo dyes and organic pigments with enhanced properties.
• Research & Development: Utilized in academic and industrial R&D for exploring new chemical entities and reaction pathways.
• Liquid Crystal & OLED Materials: Potential precursor in the development of electronic display and optoelectronic materials.

Basic Information

Product Name	2,2'-Dichloro-4,4'-Stilbenediamine
CAS No.	73926-91-7
Molecular Formula	C14H12Cl2N2
Molecular Weight	279.17 g/mol
Synonyms	2,2'-Dichloro-4,4'-diaminostilbene; 4,4'-Diamino-2,2'-dichlorostilbene; Stilbenediamine, 2,2'-dichloro-4,4'-; 2,2'-Dichlorostilbene-4,4'-diamine; NSC 403169; (E)-2,2'-Dichloro-4,4'-stilbenediamine; (E)-4,4'-Diamino-2,2'-dichlorostilbene
EINECS	Contact for details

Quality Control

Our 2,2'-Dichloro-4,4'-Stilbenediamine is produced under strict quality management systems. Every batch undergoes rigorous analytical testing including HPLC, GC, and NMR to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all specified parameters. Our quality commitment aligns with cGMP principles where applicable, ensuring reliability for your critical synthesis processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials. Due to its light-sensitive nature, the container should be opaque or stored in darkness.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 20 ppm

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