3,4,5,6-Tetrahydrophthalic Anhydride (CAS 2426-02-0) Ultimate Guide
Table of Contents
1. Product Specifications & Chemical Profile
| Parameter | Specification |
|---|---|
| CAS Number | 2426-02-0 |
| Chemical Formula | C8H8O3 |
| Molecular Weight | 152.15 g/mol |
| Appearance | White crystalline powder |
| Melting Point | 98-102°C |
| Storage Conditions | Dry, cool environment (<40°C) |
2. Primary Industrial Applications
- Epoxy Resin Curing: Low-toxicity alternative with 85-95% curing efficiency
- Polymer Modification: Enhances thermal stability up to 200°C
- Electronic Encapsulation: Dielectric constant 3.2-3.5 at 1MHz
- Coating Formulations: 25% faster curing vs. traditional anhydrides
- Adhesive Systems: Improves bond strength by 30-40%
3. Performance Comparison Table
| Property | THPA | Phthalic Anhydride | Maleic Anhydride |
|---|---|---|---|
| Reactivity | High | Medium | High |
| Volatility | Low | High | Very High |
| Storage Stability | 12+ months | 6-8 months | 3-4 months |
4. Implementation Case Studies
Automotive Component Manufacturing
Client: European auto parts supplier
Application: Engine compartment epoxy coatings
Results: 18% weight reduction, 15°C higher thermal resistance
PCB Encapsulation Solution
Client: Asian electronics manufacturer
Application: High-frequency circuit protection
Results: 0.02% moisture absorption rate, 40% cost savings
5. Verified Customer Implementations
Case 1: Polymer Solutions Inc. (USA)
- Application: High-performance composite materials
- Volume: 15 metric tons/year
- Outcome: Achieved UL94 V-0 rating with 28% less additive
Case 2: Advanced Coatings Co., Ltd. (Germany)
- Application: Industrial anti-corrosion coatings
- Volume: 8 metric tons/quarter
- Outcome: Salt spray resistance increased from 500h to 1,200h
6. Technical Consultation & Ordering
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- ISO 9001-certified production
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