Description

N,N'-(3,3'-Dichlorobiphenyl-4,4'-Diyl)Dimaleimide is a high-purity, specialty aromatic bismaleimide monomer. This compound is valued for its role as a key building block in the synthesis of advanced polymers, particularly high-performance polyimides and bismaleimide (BMI) resins. It is essential for manufacturers in the aerospace, electronics, and advanced composite materials industries seeking to develop materials with exceptional thermal stability, mechanical strength, and chemical resistance. The product is supplied under stringent quality control to ensure batch-to-batch consistency for critical applications.

Application

• High-Temperature Polyimide Synthesis: Serves as a critical monomer for producing polyimide films and coatings with superior thermal endurance.
• Bismaleimide (BMI) Resin Formulation: A fundamental component in the manufacture of BMI resins used for advanced composite matrices.
• Aerospace Composites: Used in the production of lightweight, heat-resistant components for aircraft and spacecraft interiors and structures.
• Electronic Encapsulants & Substrates: Employed in the formulation of protective encapsulants and circuit board substrates that require high dielectric strength and thermal reliability.
• Adhesives and Sealants: A key ingredient in high-performance adhesives designed for extreme temperature environments.
• Flame-Retardant Materials: Incorporated into polymer systems to enhance flame retardancy due to its halogenated aromatic structure.

Basic Information

Item	Detail
Product Name	N,N'-(3,3'-Dichlorobiphenyl-4,4'-Diyl)Dimaleimide
CAS No.	19544-44-6
Molecular Formula	C20H8Cl2N2O4
Molecular Weight	411.20 g/mol
Synonyms	3,3'-Dichloro-4,4'-biphenylbismaleimide; 4,4'-Bismaleimidodiphenyl-3,3'-dichloride; 1,1'-(3,3'-Dichloro[1,1'-biphenyl]-4,4'-diyl)bis-1H-pyrrole-2,5-dione; Bismaleimide of 3,3'-Dichlorobenzidine; BMI-3,3'-DCB; DCB-BMI; 3,3'-Dichlorobenzidine Bismaleimide
EINECS	Contact for details

Quality Control

Our N,N'-(3,3'-Dichlorobiphenyl-4,4'-Diyl)Dimaleimide is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the exacting specifications required for high-performance polymer synthesis. A detailed Certificate of Analysis (COA) documenting all critical parameters is provided with each shipment to guarantee traceability and compliance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong oxidizing agents and incompatible materials. For long-term storage, consider an inert atmosphere to preserve optimal quality.

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%

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