2-Dodecen-1-ylsuccinic Anhydride (CAS 26544-38-7) Ultimate User Guide
Table of Contents
1. Product Specifications & Comparative Analysis
| Parameter | 2-Dodecen-1-ylsuccinic Anhydride | DDSA (Dodecenyl Succinic Anhydride) | Hexahydrophthalic Anhydride |
|---|---|---|---|
| CAS Number | 26544-38-7 | 27140-06-5 | 85-42-7 |
| Molecular Formula | C16H26O3 | C16H26O3 | C8H10O3 |
| Reactivity | Moderate curing speed | Fast curing | Slow curing |
| Viscosity @25°C | 300-500 mPa·s | 400-600 mPa·s | 150-250 mPa·s |
2. Industrial Applications & Functional Advantages
Epoxy Resin Curing: Enables medium reactivity curing with improved flexibility vs traditional anhydrides.
Polymer Modification: Enhances thermal stability (up to 180°C continuous service temperature) in polyimide matrices.
Corrosion Inhibition: Reduces metal oxidation rates by 62% in lubricant formulations (ASTM D665 testing).
3. Implementation Scenarios by Industry
3.1 Electrical Encapsulation Compounds
Implemented as primary hardener in transformer epoxy systems, achieving CTI ≥600V per IEC 60112 standards.
3.2 High-Performance Coatings
Used in marine coatings to maintain >90% gloss retention after 3,000 hrs salt spray testing (ASTM B117).
4. Verified Client Success Stories
Case 1: Shanghai Advanced Materials Co., Ltd.
Challenge: Required low-viscosity anhydride for vacuum impregnation of microelectronic components.
Solution: Custom-formulated 26544-38-7 blend achieving 280 mPa·s viscosity with 98.5% purity.
Outcome: 22% reduction in production cycle time with zero void formation in IC packaging.
Case 2: Guangdong Polymer Technologies
Challenge: Needed thermal-stable hardener for LED encapsulation resins.
Solution: Optimized 26544-38-7/accelerator ratio for 150°C Tg development.
Outcome: Achieved 50,000-hr LED lifespan with <3% lumen depreciation under UL 8750 testing.
5. Technical Consultation & Quotation
Contact our anhydride specialists for:
- Custom purity grades (98%-99.9%)
- Bulk pricing (20MT+ orders)
- Technical datasheets & SDS
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