Description

4,4'-Bis(n-Maleimido)Benzophenone is a high-purity, specialized chemical building block featuring dual maleimide functional groups on a benzophenone core. This compound is valued for its ability to act as a versatile cross-linking agent and photoactive component in advanced polymer systems. It is essential for R&D and production in industries requiring high-performance, thermally stable, and photocurable materials.

Application

• As a cross-linking agent for high-temperature epoxy, polyimide, and bismaleimide (BMI) resins.
• Key monomer in the synthesis of photosensitive polymers for photoresists and advanced lithography.
• Building block for specialty adhesives and sealants requiring excellent thermal and chemical resistance.
• Component in the manufacture of composite materials for aerospace and automotive applications.
• Intermediate for pharmaceutical research and the development of bioactive molecules.
• Used in electronic encapsulants and insulating materials.

Basic Information

Product Name	4,4'-Bis(n-Maleimido)Benzophenone
CAS No.	76702-27-7
Molecular Formula	C26H16N2O5
Molecular Weight	436.42 g/mol
Synonyms	4,4'-Bis(maleimido)benzophenone; 1,1'-(4,4'-Carbonylbis(1,4-phenylene))bismaleimide; Benzophenone-4,4'-diyl bismaleimide; N,N'-(4,4'-Diphenylmethanediyl)dimaleimide (related structure); BMI-BP; Bismaleimide Benzophenone; 4,4'-Bismaleimidodiphenyl Ketone; CAS 76702-27-7
EINECS	Contact for details

Quality Control

Our 4,4'-Bis(n-Maleimido)Benzophenone is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets precise customer specifications and industry standards. A comprehensive Certificate of Analysis (COA) documenting all test results is provided with every shipment.

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 heat sources and incompatible materials. This product is light-sensitive (store away from light).

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.