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Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane

Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane

Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane

Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane BMI-500,(also called BMI-70) manufactured by Yangchen Tech is an advanced material for resin,our factory's annual production can be up to 1000 tons. If you have any questions,pls contact us,we can offer sample for your testing.Welcome Inquiry!

  • CAS No :

    105391-33-1
  • Name :

    Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane
  • Abbreviation :

    BMI-500 / BMI-70(Other name)
  • Appearance :

    White powder
  • Molecular Formula :

    C₂₇H₂₆N₂O₄
  • Molecular weight :

    442.51
  • Shipping port :

    SHANGHAI CHINA
  • Lead Time :

    5-15 DAYS

Bis(3-Ethyl-5-Methyl-4-Maleimidophenyl)Methane manufactured by Yangchen Tech represents an advanced bismaleimide (BMI) thermoset precursor engineered through strategic alkyl substitution on the diphenylmethane scaffold. The molecular architecture incorporates precisely positioned ethyl and methyl functional groups at the 3- and 5- positions respectively of the aromatic rings, creating optimized steric and electronic configurations.

 

 

 

Specification

Chemical Name Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane
Product Number BMI-500 
Other Name BMI-70
CAS  105391-33-1

 

 

Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane

 

Test Specifications
Appearance White powder
Purity (HPLC) min. 97.0 area%
Purity (with Total Nitrogen) min. 98.0 %
Melting point 163.0 to 167.0 °C
Storage Conditions Cool and dry place

 

 

Technical attributes


This engineered BMI variant Bis(3-Ethyl-5-Methyl-4-Maleimidophenyl)Methane  maintains the fundamental thermal stability characteristic of diphenylmethane-based bismaleimides while demonstrating significant performance enhancements. The tailored substitution pattern confers:

 

Performance Metric Conventional BMI Resin Our Product Improvement
Dielectric Loss (Df) @28GHz 0.0035-0.004 ≤0.0028 ≥20%
Z-axis CTE (Coefficient of Thermal Expansion) (ppm/°C) 45-50 32-35 30%
Peel Strength (N/mm) 0.65-0.75 0.92-1.05 40%

 

 

Applications  

Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane manufactured by Yangchen TECH is a high-performance bismaleimide monomer widely used in:  

1. Thermoset Polymers: Enhances thermal stability and mechanical strength in aerospace composites.  

2. Electronics: Critical for epoxy curing in semiconductor encapsulation and circuit board coatings.  

3. Adhesives & Coatings: Delivers superior heat resistance (>300°C) for industrial applications.  

 

FAQ

 

Q1: Is Yangchen Tech a manufacturer or trading company?

A: We are a competent manufacturer in China, with an annual production capacity of 3000 tons of N-phenylmaleimide.

 

Q2: Does Yangchen Tech provide free samples?

A: We are very glad to provide you with free samples for your testing .

 

Q3: How to pay for the order?

A: We accept payment by T/T, L/C.

      

Q4: Does Yangchen Tech provide technical support for customers?

A: Yes, we do. Each customer's application is unique in some ways. Our customized services of Bis(3-Ethyl-5-Methyl-4-Maleimidophenyl)Methane are designed to better meet your needs. Based on our 30+ years of experience in the rubber additives industry, we can provide technical support services based on your specific needs.

 

 

Packaging

 

  • TON BANGS
    TON BAGS
  • DRUMS
    DRUMS
  • BAGS
    BAGS

 

 

Safety & Handling  

  • GHS Hazard Statements: H319 (Causes eye irritation), H372 (Long-term organ damage), H400 (Aquatic toxicity) .  
  • Precautionary Measures: Use PPE (gloves, goggles) and ensure adequate ventilation. Store away from moisture and oxidizing agents.  

 

FAQs  

Q: What is the lead time for bulk orders?  

A: Standard delivery within 2–3 weeks; expedited shipping available.  

 

Q: Do you provide COA and MSDS?  

A: Yes, all orders include Certificate of Analysis (COA) and Safety Data Sheets (SDS) compliant with OSHA/ECHA .  

 

Trust Yangchen Tech for premium-grade Bis(3-ethyl-5-methyl-4-maleimidophenyl)methane. Welcome Inquiry!

 

 

 

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