Triphenyl Phosphite (TPP)
High-purity organophosphorus stabilizer, antioxidant, and chemical intermediate for polymers, resins, and specialty synthesis.
Product Overview
High-Performance Polymer Stabilizer & Intermediate
Triphenyl Phosphite (TPP, P(OC₆H₅)₃) is a clear liquid / crystalline compound widely utilized across the plastics and specialty chemical industries. It acts as an effective secondary antioxidant and processing stabilizer, preventing thermal and oxidative degradation in PVC, polyurethanes, polyolefins, and epoxy resins.
Technical Specifications
Physical & Chemical Properties
Analytical parameters verified by in-house quality control.
| Chemical Formula | P(OC₆H₅)₃ |
|---|---|
| CAS Number | 101-02-0 |
| Transport Class | Not regulated (non-hazardous) |
| Appearance | Clear, colorless to pale straw liquid / crystal |
| Assay (GC) | ≥ 99.0% |
| Molar Mass | 310.29 g/mol |
| Boiling Point | ≈ 360 °C |
| Specific Gravity (25 °C) | 1.180 – 1.190 |
Packaging & Supply
Flexible Supply Configurations
Packed under sealed, moisture-controlled conditions to ensure product integrity during transport and storage.
Handling Notice: Store in tightly sealed containers in a cool, dry, well-ventilated area away from direct sunlight and strong oxidizing agents.
Industrial Applications
Where TPP Powers High-Value Applications
Widely utilized across plastics, specialty polymers, resins, and organic syntheses.
PVC & Polymer Stabilization
Acts as an effective co-stabilizer and secondary antioxidant in PVC processing, preserving color and polymer chains against heat degradation.
Epoxy Resin Modification
Serves as a reactive diluent and modifier in epoxy systems to improve flexibility, reduce viscosity, and boost impact resistance.
Flame Retardant Synthesis
Key phosphorus building block in the synthesis of specialized organophosphorus flame retardants and plasticizers.
Organic Synthesis
Reagent and intermediate for producing aryl phosphites, phosphite esters, and agricultural specialty formulations.
Why Source from Us
Darshan Fine Chem Private Limited Quality Promise
≥99.0% Assay
Strict quality controls ensure optimal purity and reliable color stability in your formulations.
Sealed Packaging
Moisture-proof, durable HDPE containers prevent contamination and guarantee extended shelf life.
COA & SDS Included
Batch Certificate of Analysis and SDS supplied with every consignment.
Direct Supply
Direct manufacturer pricing, consistent batch availability, and reliable logistics across India and export destinations.
FAQs
Frequently Asked Questions — Triphenyl Phosphite
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