Table of Contents
- Product Overview & Specifications
- Key Applications & Functional Mechanisms
- Performance Comparison with Alternative Antioxidants
- Industrial Usage Guidelines & Safety Protocols
- Implementation Case Studies
- Verified Client Success Stories
- Technical Consultation & Sample Request
Tris(nonylphenyl) Phosphite (CAS 26523-78-4) Technical Specifications
| Parameter | Specification |
|---|---|
| Chemical Name | Tris(nonylphenyl) phosphite |
| CAS Number | 26523-78-4 |
| Molecular Formula | C₄₅H₆₉O₃P |
| Appearance | Clear pale yellow viscous liquid |
| Phosphorus Content | 4.3% ±0.2% |
| Acid Value | ≤0.5 mg KOH/g |
| Density (25°C) | 0.97-0.99 g/cm³ |
| Flash Point | >200°C (COC method) |
| Recommended Storage | 2-8°C in nitrogen atmosphere |
Comparative Analysis with Competing Antioxidants
| Property | TNPP | Irganox 1010 | BHT |
|---|---|---|---|
| Thermal Stability | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ |
| Hydrolytic Resistance | ★★★★★ | ★★★☆☆ | ★☆☆☆☆ |
| Color Retention | ★★★★☆ | ★★★☆☆ | ★★☆☆☆ |
| FDA Compliance | 21 CFR 178.2010 | 21 CFR 178.2010 | 21 CFR 182.3173 |
Industrial Applications & Functional Mechanisms
1. Polymer Stabilization Systems
Acts as secondary antioxidant in polyolefins (PP/PE) processing:
- Neutralizes hydroperoxides during extrusion (180-300°C)
- Synergizes with phenolic primary antioxidants (1:2 ratio recommended)
- Reduces gel formation in film blowing operations
2. Rubber Compounding Applications
Enhances aging resistance in synthetic elastomers:
- Maintains tensile strength after 7-day 100°C heat aging
- Compatible with sulfur and peroxide curing systems
Operational Protocols & Safety Management
Optimal Processing Conditions
| Material | Loading (phr) | Temperature Range |
|---|---|---|
| PVC | 0.3-0.8 | 160-190°C |
| Polypropylene | 0.2-0.5 | 200-260°C |
Safety Handling Requirements
- Use NIOSH-approved respirator when handling above 60°C
- Emergency eye wash stations required in processing areas
Implementation Case Studies
Case 1: Automotive PVC Interior Components
Challenge: Fogging issues in dashboard PVC at 85°C
Solution: 0.6phr TNPP addition
Result: Volatile reduction 72% | Fogging test passed SAE J1756
Case 2: HDPE Gas Pipe Extrusion
Challenge: Yellowing during high-speed extrusion
Solution: TNPP+Irganox 1076 hybrid system
Result: YI improvement from 12.3 to 3.8 | Output +15%
Verified Client Success Stories
Client A: European Automotive Supplier
“Implementing TNPP reduced our warranty claims by 40% through improved thermal aging resistance in under-hood components.”
Client B: Asian Film Manufacturer
“Achieved 18-month shelf life extension for BOPP packaging films using TNPP stabilization packages.”
Technical Support & Commercial Inquiry
Contact our polymer stabilization experts:
Email: info@vivalr.com
Tel: (86) 15866781826
Request parameters:
- Technical datasheet with FDA compliance documentation
- Custom formulation advisory service
- Bulk pricing for 200kg+ orders
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