Description

4,4'-(1,3-Propanediyl)Dioxydianiline is a high-purity aromatic diamine monomer, also known as 1,3-Bis(4-aminophenoxy)propane. This compound is a critical building block in polymer synthesis, valued for its ability to introduce flexible ether linkages into polymer backbones, enhancing material properties. It is primarily sought by manufacturers in the advanced materials sector for producing high-performance polyimides, polyamides, and epoxy curing agents, which are essential for electronics, aerospace, and specialty coatings.

Application

• Polyimide Synthesis: A key monomer for manufacturing high-temperature, flexible polyimide films and resins used in electronics (flexible circuits, displays) and aerospace components.
• Epoxy Curing Agent: Functions as a curing agent or hardener for epoxy resin systems, contributing to improved thermal stability and mechanical strength in advanced composites and adhesives.
• Polyamide Production: Used in the synthesis of specialty polyamides (nylons) that require enhanced solubility and processability for fibers and engineering plastics.
• Liquid Crystal Polymers (LCPs): Serves as a diamine component in the production of LCPs for high-performance connectors and precision molded parts.
• Pharmaceutical Intermediates: Employed as a synthetic intermediate in the development of certain active pharmaceutical ingredients (APIs) and fine chemicals.
• Research & Development: Utilized in academic and industrial R&D for developing novel polymers and materials with tailored properties.

Basic Information

Product Name	4,4'-(1,3-Propanediyl)Dioxydianiline
CAS No.	52980-20-8
Molecular Formula	C15H18N2O2
Molecular Weight	258.32 g/mol
Synonyms	1,3-Bis(4-aminophenoxy)propane; BAPP; 4,4'-(Propane-1,3-diylbis(oxy))dianiline; 4,4'-Diamino-3,3'-dipropoxybiphenyl; Bis(4-aminophenoxy)propane; 4,4'-(1,3-Propanediyldioxy)dianiline; 4,4'-(Propane-1,3-diylbis(oxy))bis(aniline); 1,3-Bis(p-aminophenoxy)propane
EINECS	Contact for details

Quality Control

Our 4,4'-(1,3-Propanediyl)Dioxydianiline is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for polymer synthesis and fine chemical applications. Certificates of Analysis (COA) detailing purity, moisture content, and impurity profiles are provided with every shipment.

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). Keep away from strong oxidizing agents. Due to its light-sensitive nature, prolonged exposure to light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	105 - 110 °C
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.