Chemical name: Triphenyl phosphite
CAS number: 101-02-0
Description and features
Phostacon TPP (Triphenyl phosphite) is a clear liquid with has C18H15O3 as chemical formula. It is an organo-phosphite which provides excellent colour improvement and heat stability. It is used in ABS, polyethylene, polypropylene, polystyrene, polyester resins, epoxy resins and synthetic rubber.
TPP is also known as Triphenyl phosphoric acid ester and Triphenoxyphosphine oxide.
|HS code||2920 29 00|
Molecular and structural information
|Molecular weight||310.28 g/mol|
|Acid value||≤0.50 (mg KOH/gm)|
|Phosphorus content||9.80 - 10.00 %|
|Phenol content||≤1.00 %|
|Boiling point||386 °C @ 101.63 kPa|
|Flash point||218.30 ºC|
|Melting point||144 ºC|
|Partition coefficient (log Pow)||6.62 @ 25 ºC|
|Relative density||1.18 g/l @ 20 ºC|
|Refractive index||1.5750 - 1.5980 @ 25 ºC|
|Specific gravity||1.170 - 1.195 g/m3 (25 ºC / 15 ºC)|
|Solubility in water||Insoluble (< 0.1 mg/l)
|Vapour pressure||0.0000763 mm Hg @ 25 ºC|
Phostacon TPP (Triphenyl phosphite) can be used in several polymer applications, including adhesives, coatings, epoxies, polycarbonates, polyesters, polyurethanes, PVC and styrenics.
Available packaging: 200 KG steel drums and 1.000 KG IBC.
Special packaging is available on request.
Europe and United States: Provided Phostacon TPP is on stock in our local warehouses our lead time is about one week if delivered in 200 KG drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.
Store Triphenyl phosphite in a cool, dry and well-ventilated area and in line with legal requirements.
Keep TPP away from heat sources and oxidizing agents.
This substance (CAS: 101-02-0) has been registered (FULL) under REACH (EC) 1907/2006.
A Material Safety Data Sheets (MSDS) is available for Phostacon TPP and all other products supplied by Vesta Intracon BV. An MSDS describes the hazards of a product and explains how a product can be safely handled, used and stored. Besides it provides important regulatory and emergency response information for the purchased product.