2-Ethylhexyl Diphenyl Phosphite (CAS 15647-08-2): Technical Guide for Industrial Applications
Table of Contents
1. Product Overview & Comparative Analysis
| Parameter | 2-Ethylhexyl Diphenyl Phosphite | Diethyl Phosphate (CAS 598-02-7) | Diethyl Phosphite (CAS 762-04-9) |
|---|---|---|---|
| CAS Number | 15647-08-2 | 598-02-7 | 762-04-9 |
| Molecular Formula | C20H27O3P | C4H11O4P | C4H11O3P |
| Molecular Weight | 346.40 g/mol | 154.10 g/mol | 138.10 g/mol |
| Boiling Point | 389.9°C @ 760mmHg | 200.3°C | 50-51°C @ 2mmHg |
| Melting Point | 215-219°C | 6°C | -70°C |
| Flash Point | 234.1°C | 74.9°C | 82.2°C |
2. Key Applications & Functional Properties
This organophosphorus compound serves as a high-performance additive with three primary industrial functions:
- Polymer Stabilization: Acts as secondary antioxidant in PVC, polyolefins, and engineering plastics
- Lubricant Enhancement: Reduces oxidative degradation in synthetic oils and greases
- Chemical Intermediate: Used in synthesis of flame retardants and specialty surfactants
3. Industry Use Cases
Case A: Automotive Lubricant Formulation
Added at 0.5-1.2% concentration in gear oils to maintain viscosity stability under extreme pressure conditions.
Case B: Wire & Cable Manufacturing
Used in PVC insulation compounds (0.3-0.8 phr) to prevent thermal degradation during extrusion processes.
4. Client Success Stories
Client 1: European Polymer Producer
A major polypropylene manufacturer achieved 18% extension in thermal stability during processing by incorporating 0.6% additive.
Client 2: Asian Lubricant Blender
Industrial grease formulation showed 40% reduction in oxidation byproducts after 1,000-hour testing at 120°C.
5. Technical Inquiry Guidance
For material safety data sheets, technical specifications, or custom formulation support:
Email: info@vivalr.com
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