Description

N,N'-[Methylenebis(2,6-Diethyl-4,1-Phenylene)]Bis(Maleimide) is a high-performance bismaleimide (BMI) monomer, a critical building block for advanced thermosetting polymers. This compound matters for its exceptional thermal stability, chemical resistance, and mechanical properties when polymerized, making it a cornerstone material for demanding engineering applications. It is primarily needed by manufacturers in the aerospace, electronics, and high-performance composites industries seeking to produce polyimide resins, adhesives, and matrix materials for extreme environments.

Application

• High-Temperature Polyimide Resins: Serves as a key cross-linking agent for the synthesis of thermoset polyimides used in aerospace components and engine parts.
• Electronic Encapsulants & Underfills: Used in formulations for protecting sensitive microelectronics and semiconductor devices from thermal and mechanical stress.
• Advanced Composite Matrices: Acts as a resin matrix precursor for carbon fiber and other high-strength composites in automotive and military applications.
• Specialty Adhesives & Coatings: Formulated into high-performance adhesives and protective coatings that must withstand severe chemical and thermal exposure.
• Radiation-Curable Systems: Utilized in photocurable resin systems for 3D printing (additive manufacturing) of high-temperature resistant prototypes and parts.
• Research & Development: Employed in academic and industrial R&D for developing novel polymer materials with tailored properties.

Basic Information

Product Name	N,N'-[Methylenebis(2,6-Diethyl-4,1-Phenylene)]Bis(Maleimide)
CAS No.	105357-12-8
Molecular Formula	C33H36N2O4
Molecular Weight	524.65 g/mol
Synonyms	1,1'-(Methylenebis(2,6-diethyl-4,1-phenylene))bismaleimide; Bis(4-maleimidophenyl-3,5-diethyl)methane; 2,2'-Diethyl-4,4'-bismaleimidodiphenylmethane; BMI (Bismaleimide) monomer; 4,4'-Bismaleimidodiphenylmethane derivative; N,N'-(Methylenebis(2,6-diethyl-1,4-phenylene))dimaleimide; Thermosetting bismaleimide resin monomer
EINECS	Contact for details

Quality Control

Our N,N'-[Methylenebis(2,6-Diethyl-4,1-Phenylene)]Bis(Maleimide) is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing to ensure high purity and consistent performance, meeting the stringent requirements for advanced polymer synthesis. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); keep the container tightly sealed to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%

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