N-Phenylmaleimide (CAS 941-69-5) Comprehensive User Guide
Table of Contents
1. Product Overview & Specifications
N-Phenylmaleimide (CAS 941-69-5) is a high-purity chemical intermediate widely used in polymers, pharmaceuticals, and organic synthesis. Key parameters:
| Parameter | Value |
|---|---|
| CAS Number | 941-69-5 |
| Molecular Formula | C10H7NO2 |
| Molecular Weight | 173.17 g/mol |
| Appearance | White to pale yellow crystalline powder |
| Purity | ≥99% |
| Melting Point | 88-92°C |
Comparative Analysis
| Feature | N-Phenylmaleimide | N-Ethylmaleimide |
|---|---|---|
| Thermal Stability | Excellent (>200°C) | Moderate (150°C) |
| Reactivity | High (Aromatic substitution) | Medium |
2. Key Applications
- Polymer Modification: Crosslinking agent for epoxy resins, rubbers, and adhesives
- Pharmaceuticals: Intermediate for antitumor agents and enzyme inhibitors
- Organic Synthesis: Diels-Alder reactions, Michael additions
- Photoresists: Photoinitiator in UV-curable coatings
3. Usage Scenarios
Scenario 1: Epoxy Resin Modification
Add 1-3% N-Phenylmaleimide during epoxy curing to increase Tg by 15-20°C.
Scenario 2: Drug Intermediate Synthesis
Used in 3-step synthesis of protein kinase inhibitors at 60-80°C reaction temperature.
4. Customer Case Studies
Case 1: Polymer Solutions Inc.
Challenge: Improve heat resistance of automotive adhesives
Solution: 2% N-Phenylmaleimide additive
Result: 22% increase in thermal stability (180°C → 220°C)
Case 2: PharmaSynth Co.
Challenge: Optimize kinase inhibitor yield
Solution: Maleimide-based intermediate
Result: 92% purity achieved in final API
5. Request Customized Solutions
Contact our technical team for formulation support or bulk orders:
Email: info@vivalr.com
Phone: (86) 15866781826
All products include ISO 9001 certification and batch-specific COA.
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