Description and features
Rostabil TDP (Triisodecyl phosphite) is a clear liquid which has C30H63O3P as chemical formula. It is a trialkyl phosphite which is useful as a secondary stabilizer in ABS, PET (polyethylene terephthalate), PET fibers, coatings, lubricants, PVC, polycarbonate and polyurethanes.
This material is also known as Phosphorus acid triisodecyl ester and isodecylphosphite.
Availibility
Europe and United States: Provided Rostabil TDP is on stock in our local warehouses our lead time is about one week if delivered in 180 KG steel drums.
Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.
Product Identification
| CAS number | 25448-25-3 |
| EC number | 246-998-3 |
| HS code | 2920 90 85 |
| IUPAC name | tris(2-methylnonyl) phosphite |
Specification
| Appearance | Homogenous clear liquid @ 20 -25 ºC |
| Acid Value | ≤0.10 (mg KOH/g) |
| Colour | ≤50 Hazen |
Packaging
Available packaging: 180KG steel drums.
Special packaging is available on request.
Storage
Store Triisodecyl phosphite in a cool, dry and well-ventilated area and in line with legal requirements.
Keep TDP away from heat sources and oxidizing agents.
MSDS
A Material Safety Data Sheets (MSDS) is available for Rostabil TTDP and all other products supplied by Vesta Chemicals 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.
Molecular and structural information
| Molecular formula | C30H63O3P |
| Molecular weight | 502.79 g/mol |
| InChi key | InChIKey=QEDNBHNWMHJNAB-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| Boiling point | 485.52 °C |
| Density | 0.88-0.905 g/cm3 @ 20 ºC |
| Flash point | 150 °C @ 1 atm |
| Melting point | < -20 °C @ 1 atm |
| Partition coefficient (log Pow) | 12.31 @ 25 °C |
| Refractive index | 1.4500 – 1.4610 |
| Solubility in water | Insoluble (< 0.1 mg/l) |
| Specific gravity | 0.874 – 0.914 g/m3 (25 ºC/15 ºC) |
| Vapour pressure | 1E-09 to 5E-07 Pa |