Description and features
Rostabil TPP (Triphenyl phosphite) is a clear liquid with the chemical formula C18H15O3. This organo-phosphite not only provides excellent color improvement but also enhances heat stability. As a result, manufacturers use TPP in various applications, including ABS, polyethylene, polypropylene, polystyrene, polyester resins, epoxy resins, and synthetic rubber.
Furthermore, TPP is known as Triphenyl phosphoric acid ester and Triphenoxyphosphine oxide.
Availability
Europe: Rostabil TPP ( Trisnonylphenol phosphite) is in stock in our local warehouses our lead time is about one week if delivered in 225 KG drums.
We can also serve Canada, South America, South Africa, and other markets. Please contact our sales department for more details.
This substance (CAS: 101-02-0) has been registered (FULL) under REACH (EC) 1907/2006.
Product Identification
| CAS number | 101-02-0 |
| EC number | 202-908-4 |
| HS code | 2920 29 00 |
| IUPAC Name | Triphenyl phosphite |
Specification
| Appearance | Clear homogeneous liquid |
| Assay | ≥97.0 % |
| Acid value | ≤0.50 (mg KOH/g) |
| Colour | ≤50 Hazen |
| Phenol | ≤1.00 % |
| Phosphorus | 9.80 – 10.00 % |
Packaging
Available packaging: 225 KG steel drums and 1.000 KG IBC.
Special packaging is available on request.
Storage
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.
MSDS
A Material Safety Data Sheet (MSDS) is available for Rostabil TPP and all other products supplied by Vesta Chemicals BV.
An MSDS outlines the hazards of a product and explains how to handle, use, and store the product safely. Besides it provides important regulatory and emergency response information for the purchased product.
Molecular and structural information
| Molecular formula | C18H15O3P |
| Molecular weight | 310.28 g/mol |
| Smiles notation | c1ccc(cc1)OP(Oc2ccccc2)Oc3ccccc3 |
| InChi key | HVLLSGMXQDNUAL-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| 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 – 1,186 g/l @ 25 ºC |
| Refractive index | 1.587 – 1.590 @ 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 |