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Overview
Diphenyl p-Hydroxyphenyl Phosphate is a specialized phosphorus flame retardant synthesized via the esterification of diphenyl phosphate with p-hydroxyphenol. It functions as an additive for enhancing thermal stability in polymers.
- Molecular Formula: C18H15O4P
- CAS Number: 2609-27-6
Application
- Engineering Plastics: Used in PC/ABS blends to improve fire resistance without significant loss of mechanical properties.
- Electrical Components: Applied in connectors and housings for electronics requiring UL 94 V-0 certification.
- Automotive Interiors: Incorporated into dashboard components to meet stringent automotive flammability standards.
Precautions
- Safety: Avoid skin contact; wear appropriate PPE including gloves and goggles during handling.
- Storage: Store in a cool, dry, well-ventilated area away from strong oxidizers.
- Regulatory: Not approved for direct human consumption or medical implant applications.