2-Ethylhexyl Diphenyl Phosphite CAS 15647-08-2

Chemical Name: 2-Ethylhexyl Diphenyl Phosphite
CAS No.: 15647-08-2
Molecular Formula: C20H27O3P
Molecular Weight: 346.4
Appearance: Transparent Liquid

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2-Ethylhexyl Diphenyl Phosphite (CAS 15647-08-2): Technical Guide for Industrial Applications

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
Tel: (86) 15866781826

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