Description

Bis[4-(3-Aminophenoxy)Phenyl] Phenylphosphine Oxide is a high-purity, specialty aromatic amine-containing phosphine oxide monomer. This compound matters as a critical building block for the synthesis of advanced polymers, offering enhanced thermal stability and flame retardancy to the final materials. It is primarily needed by manufacturers in the high-performance polymer, electronics, and aerospace industries for creating polyimides, polyamides, and other high-temperature resins.

Application

• As a key monomer for the synthesis of high-performance, flame-retardant polyimides and polyamides.
• In the production of advanced epoxy resin curing agents for electronics encapsulation and composite materials.
• As a reactive modifier to impart thermal stability and flame resistance to engineering plastics.
• For research and development of novel pharmaceutical intermediates and agrochemicals.
• In the formulation of specialty adhesives and coatings requiring high temperature performance.
• As a precursor for ligands in catalytic systems and metal-organic frameworks (MOFs).

Basic Information

Product Name	Bis[4-(3-Aminophenoxy)Phenyl] Phenylphosphine Oxide
CAS No.	132817-72-2
Molecular Formula	C30H23N2O3P
Molecular Weight	490.49 g/mol
Synonyms	BAPPO; 1,3-Bis[4-(3-aminophenoxy)phenyl]-1-phenylphosphine oxide; Phenylbis[4-(3-aminophenoxy)phenyl]phosphine oxide; Bis(4-(3-aminophenoxy)phenyl)phenylphosphine oxide; 4,4'-(Phenylphosphinylidene)bis[oxy-1,3-phenylenemethylene]dianiline; Phosphine oxide, P,P-bis[4-[(3-aminophenoxy)phenyl]]-P-phenyl-
EINECS	Contact for details

Quality Control

Our Bis[4-(3-Aminophenoxy)Phenyl] Phenylphosphine Oxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting industry standards. A comprehensive Certificate of Analysis (COA) detailing purity, physical properties, and impurity profiles is provided with every shipment to guarantee consistency and support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to minimize exposure to atmospheric moisture. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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