Description

Phosphoric Acid Tris(4-Aminophenyl) Ester is a specialized aromatic amine phosphate ester with significant utility as a high-performance intermediate. This compound matters for its role in synthesizing advanced polymers and functional materials where thermal stability and specific reactivity are paramount. Industries such as polymer chemistry, specialty adhesives, and flame-retardant material production need this chemical for developing next-generation products.

Application

• As a key monomer or cross-linking agent in the synthesis of high-temperature resistant polyimides, polyamides, and epoxy resins.
• Utilized in the production of flame-retardant additives for plastics, textiles, and coatings.
• Serves as a crucial intermediate for liquid crystal polymers (LCPs) and other advanced engineering plastics.
• Employed in the research and development of pharmaceutical intermediates and agrochemicals.
• Used in the formulation of specialty adhesives and sealants requiring enhanced thermal and chemical resistance.
• Acts as a building block for dendrimers and hyperbranched polymers with tailored functionalities.
• Potential application in the development of corrosion inhibitors and metal surface treatment agents.

Basic Information

Product Name	Phosphoric Acid Tris(4-Aminophenyl) Ester
CAS No.	4232-84-2
Molecular Formula	C18H18N3O4P
Molecular Weight	371.33 g/mol
Synonyms	Tris(4-aminophenyl) phosphate; 4,4',4''-Phosphinothioyltriamine; Phosphoric Acid Tris(4-Aminophenyl) Ester; Tris(p-aminophenyl) phosphate; TAOP; p-Aminophenyl phosphate; 1,3,5-Triazine-2,4,6-triamine, N,N',N''-tris(4-aminophenyl)-; Phosphoric acid tri(4-aminophenyl) ester
EINECS	224-200-8

Quality Control

Our Phosphoric Acid Tris(4-Aminophenyl) Ester 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 all test results is provided with every shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). This material is easily oxidized and should be handled and stored under an inert atmosphere (e.g., nitrogen or argon) to maintain stability and prevent degradation. Keep away from strong acids, strong oxidizers, and moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals (as Pb)	≤ 10 ppm

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