Description

N,N'-(4-Methyl-1,3-Phenylene)Bismaleimide is a high-performance bismaleimide (BMI) monomer, a critical building block for advanced thermosetting polymers. This compound matters for its exceptional thermal stability, mechanical strength, and chemical resistance when polymerized, making it a cornerstone for high-temperature applications. Industries such as aerospace, electronics, and advanced composites rely on this material to manufacture heat-resistant adhesives, matrix resins for carbon fiber composites, and insulating materials for microelectronics.

Application

• High-Temperature Composite Matrices: As a cross-linking agent for bismaleimide resins used in aerospace and automotive structural components.
• Electronic Encapsulation & Insulation: For potting compounds, underfills, and insulating layers in semiconductors and circuit boards requiring thermal endurance.
• Advanced Adhesives & Coatings: Formulation of high-performance adhesives and protective coatings for extreme environments.
• Fiber-Reinforced Polymers: Key monomer in the production of prepregs and laminates with carbon or glass fibers.
• Polymer Modification: Used as a cross-linker or co-monomer to enhance the thermal properties of polyimides, epoxies, and other polymers.
• Research & Development: Serves as a precursor in organic synthesis and material science research for novel polymeric materials.

Basic Information

Product Name	N,N'-(4-Methyl-1,3-Phenylene)Bismaleimide
CAS No.	6422-83-9
Molecular Formula	C16H12N2O4
Molecular Weight	296.28 g/mol
Synonyms	1,1'-(Methyl-1,3-phenylene)bismaleimide; 4-Methyl-m-phenylenebismaleimide; Bismaleimide MPD; BMI-MPD; N,N'-(4-Methyl-m-phenylene)dimaleimide; 2,2'-(4-Methyl-1,3-phenylene)bis(1H-pyrrole-2,5-dione); 4,4'-Bismaleimidodiphenylmethane derivative (related class)
EINECS	229-213-7

Quality Control

Our N,N'-(4-Methyl-1,3-Phenylene)Bismaleimide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation by FT-IR and melting point determination, to ensure it meets precise specifications for high-performance applications. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and batch-to-batch consistency.

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). The product is moisture-sensitive; keep the original container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	Yellow to light brown crystalline powder
Identification (IR)	Conforms to structure
Melting Point	155 - 165 °C
Purity (HPLC)	≥ 98.0 %
Loss on Drying	≤ 0.5 %

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