Description

4,4'-[Oxybis(Ethyleneoxy)]Dianiline is a high-purity aromatic diamine derivative featuring a flexible polyether spacer between its two aniline groups. This unique molecular structure makes it a critical building block for synthesizing advanced polymers with tailored thermal and mechanical properties. It is primarily sought after by manufacturers in the polymer and specialty chemical industries for producing high-performance polyimides, polyurethanes, and epoxy curing agents. Its application is essential for creating materials that require enhanced flexibility, solubility, and thermal stability.

Application

• Polymer Synthesis: A key monomer for the production of high-performance polyimides and polyamides, imparting improved solubility and processability.
• Epoxy Resin Systems: Serves as a curing agent or chain extender for epoxy resins, enhancing flexibility and toughness in coatings and composites.
• Polyurethane Elastomers: Used as a chain extender in the synthesis of polyurethane elastomers and foams, contributing to specific mechanical properties.
• Liquid Crystal Polymers (LCPs): An intermediate in the synthesis of monomers for thermotropic liquid crystal polymers.
• Adhesives and Sealants: A component in formulating high-performance adhesives with excellent thermal and chemical resistance.
• Specialty Chemical Intermediate: Utilized in organic synthesis for creating complex molecules in pharmaceutical and agrochemical research.

Basic Information

Product Name	4,4'-[Oxybis(Ethyleneoxy)]Dianiline
CAS No.	6954-41-2
Molecular Formula	C16H20N2O3
Molecular Weight	288.34 g/mol
Synonyms	4,4'-(Oxybis(ethane-2,1-diyloxy))dianiline; 4,4'-[Oxybis(2,1-ethanediyloxy)]bis-benzenamine; 2,2'-[1,2-Ethanediylbis(oxy)]bis[4-aminobenzene]; 4-Aminophenyl 2-[2-(4-aminophenoxy)ethoxy]ethyl ether; Bis(4-aminophenoxy)diethylene glycol; O,O'-Bis(4-aminophenyl)diethylene glycol; Jeffamine® EDR-148 (related trade series); Polyetheramine intermediate
EINECS	Contact for details

Quality Control

Our 4,4'-[Oxybis(Ethyleneoxy)]Dianiline 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. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, color, and moisture content. Our quality commitment supports applications requiring high-purity intermediates for sensitive polymer synthesis.

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 light-sensitive (store away from light). Keep away from strong oxidizing agents, acids, and moisture. For long-term storage, consider an inert atmosphere to prevent oxidation and discoloration.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Color (APHA)	≤ 100
Moisture (KF)	≤ 0.5%
Related Substances (HPLC)	Contact for details

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