Description

2,2-Bis(4-(4-Maleimidephenoxy)Phenyl)Propane CAS NO 79922-55-7 is a high-performance bismaleimide (BMI) monomer, a critical building block for advanced thermosetting polymers. This compound is valued for its ability to impart exceptional thermal stability, mechanical strength, and chemical resistance to cured resin systems. It is primarily sought by manufacturers in the aerospace, electronics, and advanced composite materials industries for producing high-temperature adhesives, matrix resins, and encapsulants.

Application

• High-Temperature Composite Matrices: Used as a cross-linking agent in bismaleimide resins for aerospace and automotive structural components.
• Electronic Encapsulation and Underfills: Serves in formulations for protecting sensitive microelectronics from thermal and mechanical stress.
• Advanced Adhesives and Bonding Films: A key monomer for creating polyimide-based adhesives with superior heat resistance.
• Fiber-Reinforced Plastics (FRP): Employed in the production of high-performance composites for radomes and engine components.
• Printed Circuit Board (PCB) Substrates: Used in resin systems for multi-layer boards requiring high glass transition temperatures (Tg).
• Specialty Coatings: Formulated into protective coatings for extreme environments.

Basic Information

Product Name	2,2-Bis(4-(4-Maleimidephenoxy)Phenyl)Propane
CAS No.	79922-55-7
Molecular Formula	C35H28N2O6
Molecular Weight	572.61 g/mol
Synonyms	Bisphenol A Bismaleimide; 1,1'-(Isopropylidene)bis(4-(4-maleimidophenoxy)benzene); BMI; Bismaleimide Monomer; 2,2-Bis[4-(4-maleimidophenoxy)phenyl]propane; 4,4'-Bismaleimidodiphenylmethane derivative; BPA-based Bismaleimide
EINECS	Contact for details

Quality Control

Our production of 2,2-Bis(4-(4-Maleimidephenoxy)Phenyl)Propane adheres to stringent quality management protocols. Every batch is analyzed to ensure high purity and consistency, with key parameters verified by techniques including HPLC, FT-IR, and DSC. A comprehensive Certificate of Analysis (COA) detailing purity, melting point, and impurity profiles is provided with each shipment to guarantee material integrity for your critical formulations.

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 powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	155 - 165 °C
Loss on Drying	≤ 0.5%

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