Guide to Triphenyl Phosphorothionate (CAS 597-82-0)
Table of Contents
- Product Overview & Specifications
- Key Applications & Use Cases
- Industry Case Studies
- Contact for Technical Support
Product Overview & Specifications
Chemical Name: Triphenyl Phosphorothionate
CAS Number: 597-82-0
Molecular Formula: C18H15O3PS
Molecular Weight: 342.34 g/mol
Specification Comparison
| Parameter | Grade A | Grade B | Industrial Grade |
|---|---|---|---|
| Purity | ≥99% | ≥97% | ≥95% |
| Appearance | White crystalline | Off-white powder | Yellowish flakes |
| Moisture Content | ≤0.2% | ≤0.5% | ≤1.0% |
Key Applications & Use Cases
Primary Functions
- Antioxidant in polymer production
- Lubricant additive for extreme pressure
- Flame retardant synergist
- Intermediate for organophosphorus compounds
Industry-Specific Implementations
Plastics Manufacturing: Extends PVC thermal stability by 40-60% at 0.3-0.8% loading.
Lubricant Formulation: Reduces gear wear by 30% in industrial machinery oils.
Industry Case Studies
Case Study 1: Automotive Lubricant Enhancement
Client: EuroLubricants GmbH
Challenge: Premature failure of transmission fluids under 120°C+ operation
Solution: 0.5% Triphenyl Phosphorothionate additive package
Result: 62% reduction in component wear over 5,000 operating hours
Case Study 2: Flame-Retardant Cable Production
Client: SafeWire Technologies
Challenge: Achieving UL94 V-0 rating without compromising flexibility
Solution: 1.2% concentration in PVC insulation
Result: Passed IEC 60332-1 vertical flame test with 28% cost reduction
Contact for Technical Consultation
Email: info@vivalr.com
Phone: (86) 15866781826
Request SDS, COA, or custom formulation support:
- Available in 25kg fiber drums or bulk packaging
- Custom particle size distributions (10-200μm)
- GMP-grade manufacturing options



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