Description

3-[Di(3-Aminophenyl)Phosphoryl]Aniline is a specialized aromatic amine derivative containing a central phosphoryl group, serving as a high-value multifunctional building block in advanced material synthesis. Its molecular structure, featuring three primary amine groups, makes it a critical precursor for creating polymers and cross-linked networks with enhanced thermal and mechanical properties. This compound is essential for R&D and production in sectors requiring high-performance resins, adhesives, and electronic materials.

Application

• Epoxy Resin Curing Agent & Hardener: Imparts excellent cross-linking density, thermal stability, and chemical resistance to high-performance epoxy systems for composites and coatings.
• Polyimide & Polyamide Synthesis: Acts as a key monomer for producing high-temperature resistant polymers used in aerospace, electronics, and flexible circuitry.
• Flame Retardant Additive Precursor: The phosphorus-containing core is utilized to synthesize reactive or additive flame retardants for plastics and textiles.
• Metal Chelation & Catalyst Ligand: Serves as a ligand for complexing metals in catalytic applications and wastewater treatment processes.
• Photoresist & Electronic Chemicals: Used in the formulation of advanced photoresists and dielectric materials for the semiconductor industry.
• Adhesive & Sealant Formulation: Enhances the adhesion, durability, and environmental resistance of industrial adhesives and sealants.

Basic Information

Product Name	3-[Di(3-Aminophenyl)Phosphoryl]Aniline
CAS No.	36357-49-0
Molecular Formula	C18H18N3OP
Molecular Weight	323.33 g/mol
Synonyms	3-[Bis(3-aminophenyl)phosphoryl]aniline; Tris(3-aminophenyl)phosphine oxide; TAPO; 3,3',3''-Phosphinidynetrisaniline; N,N',N''-Tris(3-aminophenyl)phosphoric triamide; Phosphoric triamide, N,N',N''-tris(3-aminophenyl)-; 1,1',1''-Phosphinidynetris[3-aminobenzene]
EINECS	Contact for details

Quality Control

Our 3-[Di(3-Aminophenyl)Phosphoryl]Aniline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place 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	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 (as Pb)	≤ 10 ppm

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