Description

1,3-Bis(4-Maleimidophenoxy)Benzene (134Bapb/Bmi) is a high-performance bismaleimide (BMI) resin monomer, a key building block for advanced thermosetting polymers. This compound matters for its exceptional thermal stability, mechanical strength, and chemical resistance when polymerized, making it ideal for demanding high-temperature environments. Industries requiring durable composite materials, such as aerospace, electronics, and automotive manufacturing, rely on this monomer to produce high-performance adhesives, coatings, and composite matrices. Its unique structure enables the synthesis of polyimides with superior properties compared to standard epoxy systems.

Application

• High-Temperature Composite Matrices: As a cross-linking agent for bismaleimide resins used in aerospace and automotive structural composites.
• Electronic Encapsulation & Packaging: For manufacturing underfill materials, chip coatings, and printed circuit board laminates that require excellent thermal and dimensional stability.
• Advanced Adhesives & Sealants: Formulation of high-performance adhesives for bonding metals, ceramics, and other composites in extreme conditions.
• Fire-Resistant & Flame-Retardant Materials: Incorporation into polymers to enhance fire safety properties for transportation and construction applications.
• Fiber-Reinforced Polymers (FRP): Used as the resin component in prepregs for carbon fiber and glass fiber reinforcement.
• Specialty Coatings: Development of protective coatings for industrial equipment exposed to high heat and corrosive chemicals.

Basic Information

Product Name	1,3-Bis(4-Maleimidophenoxy)Benzene (134Bapb/Bmi)
CAS No.	115341-26-9
Molecular Formula	C26H16N2O6
Molecular Weight	452.42 g/mol
Synonyms	1,3-Bis(4-maleimidophenoxy)benzene; BMI; 134BAPB; Bismaleimide 134BAPB; 1,3-Bis[p-(maleimidophenoxy)]benzene; 4,4'-(1,3-Phenylenedioxy)diphthalimide; 1,3-Phenylenebis(4-maleimidophenyl) ether; Bis[4-(maleimidophenoxy)]benzene
EINECS	Contact for details

Quality Control

Our 1,3-Bis(4-Maleimidophenoxy)Benzene is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot undergoes comprehensive analytical testing, including HPLC for assay and impurity profiling, to meet stringent industry specifications. Certificates of Analysis (COA) detailing all test results are provided with every shipment to support your quality assurance and regulatory compliance needs.

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, sparks, and open flame. The product is light-sensitive and should be stored away from direct light exposure.

Specification

Item	Specification
Appearance	White to pale yellow crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	155 - 165 °C
Loss on Drying	≤ 0.5%
Heavy Metals	≤ 10 ppm

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