Description

3,4'-Diaminodiphenylether is a high-purity aromatic diamine compound, serving as a critical building block in advanced polymer synthesis. Its molecular structure, featuring two amine groups on a diphenyl ether backbone, makes it a versatile intermediate for creating materials with exceptional thermal and mechanical properties. This product is essential for manufacturers in the polymer, electronics, and specialty chemical industries seeking to develop high-performance polyimides, epoxy resins, and other engineered materials.

Application

• Polyimide Monomer: A key precursor for the synthesis of high-temperature, high-strength polyimide films and coatings used in aerospace and electronics.
• Epoxy Curing Agent: Functions as a hardener for epoxy resin systems, enhancing thermal stability and chemical resistance in composite materials.
• Polymer Modification: Used to modify polymer backbones, introducing amine functionality to improve adhesion, cross-linking density, and overall material performance.
• Pharmaceutical Intermediate: Serves as a building block in the multi-step synthesis of complex active pharmaceutical ingredients (APIs).
• Dye and Pigment Synthesis: An intermediate in the production of specialized organic dyes and pigments.
• Research & Development: Utilized in academic and industrial R&D for developing novel polymeric materials and organic compounds.

Basic Information

Product Name	3,4'-Diaminodiphenylether
CAS No.	2667-67-6
Molecular Formula	C12H12N2O
Molecular Weight	200.24 g/mol
Synonyms	3,4'-ODA; 3,4'-Oxydianiline; 4-(3-Aminophenoxy)aniline; 1-Amino-3-(4-aminophenoxy)benzene; Bis(3-amino-4-hydroxyphenyl) Ether (tautomer); 3,4'-Diaminophenyl Ether; 4,3'-Oxydianiline; ODA (3,4' isomer)
EINECS	220-222-0

Quality Control

Our 3,4'-Diaminodiphenylether is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing to ensure it meets precise specifications for purity, identity, and impurity profiles. We provide Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, melting point, and chromatographic purity. Our quality commitment ensures consistent performance and reliability for your critical synthesis processes.

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 compound is easily oxidized; for long-term storage, consider an inert atmosphere (e.g., nitrogen or argon blanket). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to light yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.5%
Melting Point	125 - 130 °C
Loss on Drying	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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