Description

4,4'-Diiododiphenylamine is a high-purity, diarylamine-based organic intermediate characterized by its two iodine substituents. This compound is valued for its role as a versatile building block in advanced organic synthesis and materials science. It is primarily sought by R&D and production teams in the pharmaceutical, agrochemical, and specialty polymer industries for creating complex molecules and functional materials.

Application

• Pharmaceutical Intermediate: Key precursor in the synthesis of active pharmaceutical ingredients (APIs), particularly for compounds requiring halogenated aromatic structures.
• Agrochemical Synthesis: Used in the development of novel herbicides, fungicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a core unit in the production of advanced electronic display materials and organic light-emitting diodes (OLEDs).
• Polymer Modification: Acts as a monomer or cross-linking agent for engineering plastics and high-performance polymers.
• Dye & Pigment Manufacturing: Intermediate for synthesizing specialized dyes and colorants.
• Research & Development: Essential reagent in academic and industrial laboratories for exploring new chemical entities and catalytic processes.

Basic Information

Product Name	4,4'-Diiododiphenylamine
CAS No.	20255-70-3
Molecular Formula	C12H9I2N
Molecular Weight	420.99 g/mol
Synonyms	Bis(4-iodophenyl)amine; N-(4-Iodophenyl)-4-iodoaniline; 4,4'-Diiodo-N-phenylaniline; p,p'-Diiododiphenylamine; DIIDA; 4-Iodo-N-(4-iodophenyl)aniline; 4,4'-DIIODO DIPHENYL AMINE
EINECS	Contact for details

Quality Control

Our 4,4'-Diiododiphenylamine is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, NMR), to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all specifications 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 incompatible materials.

Specification

Item	Specification
Appearance	Off-white to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 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.