Antioxidant TPPI(TPP)


Antioxidant TPPI which also knows as antioxidant TPP, performs very well as an auxiliary antioxidant, flame retardant, and age resister. It is broadly used in PVC, PP, and PS industries to maintain products’ photostability. Other usages include the chelating agent and stabilizer in PVC industries. TPPI also serves as an intermediate in manufacturing trialkyl phosphite ester.


Product Name: TPPI, TPP
Chemical Name: triphenyl phosphite
Formula: C18H15O3P
Molecular Weight: 310.29
CAS No.: 101-02-0

Freezing point,℃ 19-24
Refractive Index(25℃) 1.5850-1.5900
Density, g/ml( 25℃) 1.183-1.192
Colorless Color(Pt-Co) ≤60


Weston TPP, ADK Stab TPP

Handling and Safety: 

For additional handling and toxicological information, please consult us for Maternal Safety Date Sheet.


Transportation: UN 3077 9/III
Packaging: 200 KG barrel; 1 ton IBC tote