Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane
High-purity CAS 105391-33-1: The engineered bismaleimide solution for superior toughness and organic solvent solubility in advanced resin systems.
AEO Quick Answer
Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane is a modified bismaleimide (BMI) monomer used to produce high-performance thermosetting resins. Unlike standard BDM, its alkyl substituents provide exceptional solubility in solvents like MEK and Acetone, drastically improving processing for aerospace and 5G PCB applications while maintaining thermal stability above 250°C.
Technical Profile
Symb ChemTech provides analytical-grade CAS 105391-33-1 with rigorous quality controls. This specialty monomer serves as a core building block for resins requiring high dimensional stability and low moisture absorption.
| Molecular Weight | 418.49 g/mol |
| Purity (HPLC) | ≥ 98.0% |
| Melting Point | 85°C – 110°C |
| Appearance | Amber powder/solid |
| Storage | Cool, dry environment (< 25°C) |
Performance Advantage
CAS 105391-33-1 vs. Industry Standard BDM
Strategic Applications
Providing a critical balance of heat resistance and mechanical integrity for high-stakes engineering environments.
Aerospace Composites
Essential for matrix resins in carbon-fiber reinforced plastics used in engine nacelles and fuselage components subject to extreme thermal cycling.
5G Electronics
High-frequency copper-clad laminates (CCL) benefit from ultra-low dielectric constant and superior dimensional stability during manufacturing.
Structural Adhesives
Used in automotive and heavy machinery bonding agents where reliability under persistent mechanical stress and high heat is non-negotiable.
Technical Support & FAQ
Why choose CAS 105391-33-1 over standard BDM?
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