Phosphites Polymer Stabilizers
Polymer Premium
Polymer Additives

Phosphites (e.g., Irgafos 168)

High-performance polymer stabilizers designed for processing stability and antioxidant protection. Phosphites including Irgafos 168 provide superior thermal stability, oxidative resistance, and processing protection for various plastic materials and polymer applications.

  • Processing Stabilizer
  • Excellent Antioxidant Properties
  • Superior Thermal Stability
  • Oxidative Resistance
  • Polymer Grade Quality
  • Enhanced Processing Protection
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Technical Specifications

Product Type: Phosphite Antioxidant Stabilizers
Active Component: Tris(2,4-di-tert-butylphenyl)phosphite (TBPP)
Phosphorus Content: 4.5-5.0%
Molecular Weight: 646.9 g/mol
Physical State: White to off-white crystalline powder
Melting Point: 183-187°C
Density (20°C): 1.03 g/cm³
Solubility: Soluble in organic solvents
Volatility: Low volatility at processing temps
Thermal Stability: Excellent up to 250°C
Color Value: ≤ 2 (Gardner scale)
Moisture Content: ≤ 0.5%
Processing Temperature: 180-280°C
Recommended Loading: 0.1-0.5% by weight
Packaging: 25kg fiber drums with PE liner

Applications

Antioxidant Stabilization
Polymer Processing
Thermal Stabilization
Automotive Applications
Construction Materials
Packaging Materials
Electronics Components
Industrial Applications
Textile Applications
Coating Systems
Food Contact Materials
Eco-Friendly Applications

Industry-Specific Grades

DRAVYOM offers specialized Phosphite grades designed for specific antioxidant applications, ensuring optimal stabilization performance and compatibility across diverse polymer processing conditions.

Standard Grade (PH-100)
Phosphorus Content: 4.5-5.0% Melting Point: 183-187°C Thermal Stability: Good Application: General polymer stabilization
High Performance Grade (PH-200)
Thermal Stability: Enhanced Processing Temperature: Up to 280°C Color Hold: Superior Application: High-temperature processing
Food Grade (PH-300)
FDA Approved: Yes Migration: <10 ppb Purity: Food contact quality Application: Food packaging
Eco-Friendly Grade (PH-400)
Environmental Impact: Low Biodegradability: Enhanced Renewable Content: Partial Application: Sustainable applications

Quality Standards

DRAVYOM's Phosphites are manufactured under stringent quality control protocols, meeting international antioxidant standards including FDA, REACH, and food contact regulations.

ISO 9001:2015 Certified Manufacturing
FDA 21 CFR 178.2010 Compliant
Consistent Phosphorus Content
Advanced Thermal Analysis
Ultra-High Purity Standards
Batch-to-Batch Consistency
Complete Antioxidant Analysis
Controlled Atmosphere Storage

Advanced Chemical Properties & Performance

Phosphites exhibit exceptional antioxidant properties essential for polymer stabilization. Their phosphorus-based structure provides effective hydroperoxide decomposition while maintaining excellent thermal stability.

Antioxidant Properties
Phosphorus Activity: 4.5-5.0% active content
Hydroperoxide Decomposition: Excellent efficiency
Radical Scavenging: High activity
Synergistic Effect: Enhanced with phenolics
Thermal Properties
Melting Point: 183-187°C
Thermal Stability: Excellent up to 250°C
Volatility: Low at processing temperatures
Decomposition: Minimal degradation
Physical Properties
Crystalline Structure: Stable crystal form
Particle Size: Fine powder
Bulk Density: 0.4-0.6 g/cm³
Flow Properties: Good handling characteristics
Chemical Stability
Hydrolysis Resistance: Good moisture stability
Oxidation Resistance: Excellent stability
Compatibility: Good with most polymers
Color Stability: Minimal color contribution

Performance Characteristics

Detailed performance metrics demonstrate Phosphites' superiority in antioxidant applications with exceptional stabilization efficiency, thermal stability, and processing characteristics.

Antioxidant Efficiency

Hydroperoxide decomposition: 95-98% effective

Excellent oxidation protection
Thermal Stability

Processing temperature: Up to 280°C

Superior high-temperature performance
Polymer Compatibility

Miscibility: Excellent in most systems

Uniform distribution in matrix
Color Performance

Color contribution: Minimal impact

Excellent color stability
Synergistic Effect

Enhancement: 200-300% with phenolics

Excellent additive synergy
Long-term Stability

Service life: Extended protection

Sustained antioxidant activity

Safety Information

Handle with appropriate protective equipment to avoid dust inhalation and skin contact. Use in well-ventilated areas. Wear protective gloves, safety goggles, and dust masks when handling.

Dust Inhalation
Eye Irritant
Skin Contact

Storage & Handling

Store in original sealed containers in a cool, dry, well-ventilated area away from heat sources and oxidizing materials. Keep containers tightly closed and protect from moisture.

Store at 15-25°C
Good ventilation required
Keep containers sealed
Protect from moisture

Chemical Mechanisms & Reaction Pathways

Phosphites function through secondary antioxidant mechanisms, providing polymer protection via hydroperoxide decomposition and radical scavenging to prevent oxidative degradation and maintain material properties during processing and service.

Hydroperoxide Decomposition

Reduces hydroperoxides to stable alcohols preventing chain reactions

Primary secondary antioxidant mechanism
Radical Scavenging

Neutralizes peroxy and alkoxy radicals preventing propagation

Synergistic protection with primary antioxidants
Phosphorus Oxidation

Converts to phosphates during protection mechanism

Sacrificial antioxidant pathway
Metal Chelation

Binds pro-oxidant metal ions preventing catalysis

Additional protection mechanism

Regulatory Compliance & Documentation

Comprehensive regulatory compliance ensures global market access with complete documentation packages supporting international standards and phosphite antioxidant safety requirements.

FDA Compliance

Food contact approved for specific applications

EU Regulations

REACH compliant for industrial applications

Antioxidant Standards

Meets international polymer stabilizer requirements

Global Standards

International phosphite antioxidant approvals

Efficacy Testing

Complete antioxidant performance and safety data

SDS Available

Multi-language Safety Data Sheets (GHS compliant)

Technical Support & Value-Added Services

DRAVYOM's antioxidant team provides comprehensive technical support, formulation assistance, and application services to optimize phosphite performance in your specific polymer stabilization applications.

Antioxidant Optimization
  • Synergist combination studies
  • Thermal aging resistance testing
  • Processing stability evaluation
  • Custom antioxidant formulations
Testing Services
  • Oxidation induction time testing
  • Thermal stability analysis
  • Color development monitoring
  • Migration assessment
Technical Support
  • Processing troubleshooting
  • Stabilization guidance
  • Application development
  • Training programs
Supply Solutions
  • Multiple grade inventory
  • Nitrogen-protected packaging
  • Quality consistency programs
  • Global distribution

Environmental Impact & Sustainability

Our phosphite production emphasizes environmental responsibility through sustainable synthesis, energy-efficient manufacturing, and comprehensive environmental impact management for polymer stabilization applications.

Sustainable Synthesis

Efficient phosphorylation with minimal waste generation

Clean Production

Advanced wastewater treatment and recycling

Energy Efficiency

Optimized synthesis processes with energy recovery

Material Extension

Extends polymer service life reducing replacement

ISO 14001

Environmental management system certified production

Low Migration

Minimal environmental release during service

Manufacturing Excellence & Quality Control

DRAVYOM's state-of-the-art phosphite manufacturing facility employs advanced synthesis technology and continuous monitoring systems to ensure consistent antioxidant performance across all production batches.

Synthesis Process

Controlled phosphorylation with precise antioxidant properties

Consistent protection efficiency and performance
Quality Testing

Comprehensive analysis including antioxidant activity testing

Performance validation and purity verification
Quality Systems

ISO 9001:2015 quality management with antioxidant testing

Continuous improvement and process optimization
Packaging Control

Nitrogen-blanketed packaging preventing oxidation

Activity preservation and contamination prevention

Market Applications & Performance Data

Comprehensive antioxidant data demonstrating phosphite effectiveness across diverse applications with quantified performance metrics and validated protection benefits.

Polyolefins
Protection: Superior processing and long-term stability Synergy: Enhanced performance with primary antioxidants Processing: Improved thermal stability during extrusion
Automotive Applications
Performance: Excellent heat aging resistance Durability: Extended service life under thermal stress Quality: Maintained mechanical properties
Consumer Products
Stability: Enhanced color retention and appearance Safety: Low migration and regulatory compliance Processing: Improved processing window and quality

DRAVYOM Competitive Advantages

Superior Antioxidant Performance

Advanced phosphites with exceptional hydroperoxide decomposition and synergistic protection properties

Reliable Supply

Guaranteed availability with nitrogen-protected storage and consistent antioxidant production

Technical Expertise

Dedicated stabilization team provides antioxidant optimization and thermal protection support

Quality Assurance

Comprehensive testing with antioxidant validation and regulatory compliance documentation

Global Standards

International compliance with food contact, industrial, and antioxidant standards

Partnership Approach

Collaborative relationships with polymer processors and custom antioxidant system development