Description

4,4'-Methylenebis[n-(2,3-Epoxypropyl)-n-Methylaniline] is a high-performance, multi-functional epoxy resin curing agent and crosslinker. This compound is valued for its ability to impart excellent thermal stability, chemical resistance, and mechanical strength to cured epoxy systems. It is essential for manufacturers in the advanced composites, aerospace, electronics, and high-performance coatings industries seeking to enhance the durability and performance of their products.

Application

• Advanced Composite Materials: As a curing agent for epoxy resins in carbon fiber and fiberglass composites for aerospace and automotive structural components.
• High-Performance Coatings & Adhesives: Used in formulations requiring superior chemical, heat, and moisture resistance for industrial and protective coatings.
• Electronics Encapsulation & Potting: Provides reliable insulation and protection for sensitive electronic components due to its stable cured properties.
• Electrical Laminates: A key component in the production of printed circuit boards (PCBs) and other electrical insulating materials.
• Tooling and Molding Compounds: Employed in resin systems for molds, fixtures, and patterns that demand low shrinkage and high dimensional stability.

Basic Information

Product Name	4,4'-Methylenebis[n-(2,3-Epoxypropyl)-n-Methylaniline]
CAS No.	18643-32-8
Molecular Formula	C23H30N2O2
Molecular Weight	366.50 g/mol
Synonyms	N,N,N',N'-Tetraglycidyl-4,4'-methylenebis(N-methylaniline); TGDDM; Tetraglycidyl-4,4'-diaminodiphenylmethane; Tetraglycidyl methylenedianiline; Araldite® MY 720; Epikote® 604; Epon® HPT 1071; 1,3-Bis[N-(2,3-epoxypropyl)-N-methylamino]benzene (related isomer)
EINECS	242-449-1

Quality Control

Our 4,4'-Methylenebis[n-(2,3-Epoxypropyl)-n-Methylaniline] is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure consistency and compliance with industry specifications. A comprehensive Certificate of Analysis (COA) detailing purity, epoxy value, viscosity, and other critical parameters is provided with each shipment to guarantee product integrity for your demanding applications.

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 and easily oxidized; prolonged exposure to light, heat, or air should be avoided to maintain product stability and performance. Keep away from strong acids, bases, and oxidizing agents.

Specification

Item	Specification
Appearance	Viscous amber to brown liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Epoxy Value (eq/100g)	0.70 - 0.85
Viscosity @ 25°C (cP)	15,000 - 35,000
Color (Gardner)	≤ 12
Hydrolyzable Chloride	≤ 500 ppm
Moisture (KF)	≤ 0.2%

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