Phosphoric Acid 1,3-Phenylene Tetrakis(2,6-Dimethylphenyl) Ester (CAS 139189-30-3): Technical Guide
Table of Contents
1. Product Overview & Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 139189-30-3 |
| Purity | ≥99% |
| Appearance | White to off-white crystalline powder |
| Molecular Formula | C44H44O4P2 |
| Storage | 2-8°C in dry, airtight container |
2. Key Applications
- Flame retardant additive in polymer formulations
- Intermediate for specialty chemical synthesis
- Stabilizer in high-temperature lubricants
- Functional additive in electronic encapsulation materials
3. Usage Guidelines
Recommended Dosage: 0.5-3% by weight in polymer matrices
Compatibility: Compatible with most engineering plastics including PC, PBT, and PET
Safety Precautions: Use PPE (gloves, goggles) and ensure adequate ventilation during handling
4. Industry Case Studies
Case Study 1: Automotive Connector Housing
Client: Tier-1 automotive supplier
Application: Flame-retardant PBT composite
Result: Achieved UL94 V-0 rating at 1.2mm thickness with 2% additive loading
Case Study 2: High-Performance Circuit Board
Client: Electronics manufacturer
Application: Epoxy resin stabilization
Result: Improved thermal stability by 15% under continuous 150°C operation
5. Technical Support & Inquiry
For customized formulations, bulk orders, or technical documentation:
| Contact Email | info@vivalr.com |
| Technical Support | +86 158 6678 1826 |
| Lead Time | 2-4 weeks for standard orders |
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