Description

1,3-Bis(2,4-Diaminophenoxy)Propane CAS NO 81892-72-0 is a high-purity aromatic diamine monomer featuring a flexible propyloxy bridge. This compound is valued for its role as a critical building block in the synthesis of advanced polymers, where its diamine functionality enables the formation of robust, high-performance materials. It is primarily sought by manufacturers in the aerospace, electronics, and specialty coatings industries for producing polyimides, epoxy curing agents, and other high-temperature resins.

Application

• Polyimide Synthesis: A key monomer for manufacturing high-temperature, chemically resistant polyimide films and fibers used in flexible printed circuits and aerospace components.
• Epoxy Curing Agent: Functions as a cross-linking agent for epoxy resin systems, enhancing thermal stability and mechanical properties in advanced composite materials.
• High-Performance Coatings: Used in formulating specialty coatings for electronics and industrial equipment that require exceptional durability and heat resistance.
• Pharmaceutical Intermediate: Serves as a sophisticated precursor in the synthesis of certain active pharmaceutical ingredients (APIs) and complex organic molecules.
• Liquid Crystal Polymers (LCPs): Employed as a diamine component in the production of LCPs for connectors and precision molded parts.
• Adhesive Formulations: Imparts enhanced strength and thermal properties to structural adhesives used in demanding environments.

Basic Information

Product Name	1,3-Bis(2,4-Diaminophenoxy)Propane
CAS No.	81892-72-0
Molecular Formula	C15H20N4O2
Molecular Weight	288.35 g/mol
Synonyms	1,3-Bis(2,4-diaminophenoxy)propane; 2,4'-Diaminodiphenyl Ether Propane Derivative; BAPP (common abbreviation); 1,3-Propanediol, bis(2,4-diaminophenyl) ether; N,N'-Bis(2,4-diaminophenyl)-1,3-propanediol ether; Bis(2,4-diaminophenoxy)propane; 81892-72-0; Propane-1,3-diyl bis(2,4-diaminophenoxy)
EINECS	Contact for details

Quality Control

Our 1,3-Bis(2,4-Diaminophenoxy)Propane 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 specifications for advanced polymer applications. Certificates of Analysis (COA) documenting purity, moisture content, and other critical parameters are available upon request to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be stored under an inert atmosphere (e.g., nitrogen or argon) for long-term preservation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Light yellow to brown crystalline powder
Identification (IR)	Conforms
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.