Description and features
Rostabil TTDP (Tri iso tridecyl phosphite) is a clear liquid with has C39H81O3P as chemical formula. It is a trialkyl phosphite which is applied as secondary stabilizer in ABS, PET, PET fibers, lubricants, PVC, polycarbonate and polyurethanes.
Tri iso tridecyl phosphite is also known as tris(11-methyldodecyl) phosphite.
Availability
Europe: Provided Rostabil TTDP is on stock in our local warehouses our lead time is about one week if delivered in 200 KG steel drums.
United States, Canada, South America, South Africa and other markets can also be served, please contact our sales department for more details.
This substance (CAS: 77745-66-5) has been registered (FULL) under REACH (EC) 1907/2006.
Product Identification
| CAS number | 77745-66-5 |
| EC number | 278-758-9 |
| HS code | 2920 90 85 |
| IUPAC name | tris(2-methylnonacosyl) phosphite |
Specification
| Appearance | Clear liquid |
| Acid value | ≤0.20 (mg KOH/g) |
| Colour | ≤ 100 Hazen |
Application
Phostacon TTDP (Tri iso tridecyl phosphite) is mainly used in production of PVC.
Packaging
Available packaging: 200 KG steel drums or 860 KG IBC.
Special packaging is available on request.
Storage
Store Tri Iso Tridecyl Phosphite in a cool, dry and well-ventilated area and in line with legal requirements.
Keep TTDP 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 | C39H81O3P |
| Molecular weight | 629.03 g/mol |
| InChi key | IVINYWARLXOTLP-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| Boiling point | 520.01 °C |
| Density | 0.87 – 0,91 g/cm3 @ 20 ºC |
| Flash point | 154 ºC |
| Melting point | <-20 ºC |
| Partition coefficient (log Kow) | 16.73 @ 25 ºC |
| Refractive index | 1.459 – 1.465 |
| Specific gravity | 0.880 – 0900 g/m3 (25 ºC / 15 ºC) |
| Solubility in water | Insoluble (< 0.1 mg/l) |
| Vapour pressure | < 0.00000114 Pa @ 25 ºC |