Description

Bismaleimide CAS NO 13676-54-5 is a high-performance, thermosetting monomer widely recognized for its role in creating advanced polymer materials. Its primary value lies in its ability to form highly cross-linked networks, resulting in polymers with exceptional thermal stability, mechanical strength, and chemical resistance. This makes it a critical raw material for manufacturers in the aerospace, electronics, and advanced composites industries seeking to develop next-generation, high-temperature resistant components.

Application

• High-Temperature Composite Matrices: A key precursor for Bismaleimide (BMI) resins used in aerospace structural components, engine parts, and missile housings requiring long-term thermal stability above 200°C.
• Electronic Encapsulation and Circuit Boards: Used in the production of high-performance printed circuit boards (PCBs), semiconductor encapsulants, and underfill materials due to its excellent dielectric properties and low moisture absorption.
• Adhesives and Bonding Agents: Serves as a base for high-strength, heat-resistant structural adhesives used in automotive, aviation, and industrial assembly applications.
• Advanced Coating Systems: Formulated into protective coatings for industrial equipment, automotive components, and electrical systems that must withstand harsh chemical and thermal environments.
• Friction Materials and Ablatives: Incorporated into formulations for high-performance brake pads, clutch facings, and thermal ablative shields.
• Research & Development: Utilized in academic and industrial R&D for synthesizing novel polyimides, polyamide-imides, and other specialty polymers with tailored properties.

Basic Information

Product Name	Bismaleimide
CAS No.	13676-54-5
Molecular Formula	C6H4N2O4
Molecular Weight	168.11 g/mol
Synonyms	1,1'-(Methylenedi-4,1-phenylene)bismaleimide; 4,4'-Bismaleimidodiphenylmethane; BMI; Bismaleimide resin monomer; N,N'-(4,4'-Diphenylmethane)bismaleimide; MDA-BMI; 4,4'-Bismaleimidodiphenylmethane; Bismaleimide of methylene dianiline
EINECS	Contact for details

Quality Control

Our Bismaleimide is manufactured under a stringent quality management system. Every batch undergoes comprehensive analytical testing, including assay by HPLC, identification by FT-IR, and measurement of key impurities like free maleic anhydride and residual solvents, to ensure it meets precise specifications. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and compliance with your technical requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Keep away from heat sources and incompatible materials. Under these conditions, the product maintains optimal stability.

Specification

Item	Specification
Appearance	Light yellow to yellow crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.5%
Melting Point	154 - 160 °C
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Free Maleic Anhydride	≤ 0.1%

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