Description and features
ViaCat 4201 (Dibutyltin Oxide) is a white powder which has C8H18OSn as chemical formula. The main applications of DBTO are coatings for automotive and industrial applications (aqueous cathodic electrodeposition) and PVC stabilizers. Further it finds its application as intermediate to produce other organotin compounds like dibutyltin dilaurate. Lastly, it us used in select high temperature transesterification reactions for the production of alkyd resins and powder coating resins.
Dibutyltin Oxide is also known as dibutyl(oxo)tin and Dibutyltin(IV) oxide.
Availability
Europe: Provided ViaCat 4201 (DBTO) is in stock in our local warehouses our lead time is about one week if delivered in 25 KG steel drums.
We can also serve Canada, South America, South Africa, and other markets. Please contact our sales department for more details.
This substance (CAS: 78-67-1) has been registered under REACH (EC) 1907/2006.
Product Identification
| CAS number | 818-08-6 |
| EC number | 212-449-1 |
| HS code | 2931 90 00 |
| IUPAC Name | Dibutylstannanone |
Specification
| Appearance | White powder |
| Tin | 47.50 +/- 0.50 % |
| Iron | ≤0.003 % |
| Sodium chloride | ≤0.05 % |
| Volatile matter | ≤0.40 % |
Packaging
Available packaging: 25 KG fiber drums.
Special packaging is available on request.
Storage
Store Dibutyltin Oxide in a cool, dry and well-ventilated area and in line with legal requirements.
Keep DBTO away from heat sources and oxidizing agents.
MSDS
A Material Safety Data Sheet (MSDS) is available for ViaCat 4201 (DBTO) 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 | C8H18OSn |
| Molecular weight | 248.94 g/mol |
| Smiles notation | CCCC[Sn](=O)CCCC |
| InChi key | JGFBRKRYDCGYKD-UHFFFAOYSA-N |
| Structural formula |  |
Physicochemical information
| Boiling point | 161.90 °C |
| Density | 1.58 g/cm3 @ 20 ºC |
| Flash point | No data available |
| Melting point | 105 °C |
| log Kow | 5.33 @ 20 °C |
| olubility in water | Insoluble (< 0.1 mg/l) |
| Vapour pressure | 4×10-6 Pa @ 25°C |