Description and features
Viacat 4100 (Monobutyltin Oxide) is a white powder with the chemical formula C₄H₁₀O₂Sn. It is a non-corrosive organotin compound used in synthesizing saturated polyester for powder coatings, insulating varnishes, and coil coatings.
Additionally, people refer to Monobutyltin Oxide by other names, including butylhydroxostannane, butylstannonic acid, and butylhydroxytin oxide.
Availability
In Europe and the United States, ViaCat 4100 (MBTO) is in stock at our local warehouses. Therefore, our lead time is typically about one week when delivered in 25 KG drums. Additionally, we can expedite delivery based on specific customer requirements or availability.
We can also serve Canada, South America, South Africa, and other markets. Please contact our sales department for more details.
This substance (CAS: 2273-43-0) has been registered under REACH (EC) 1907/2006.
Product Identification
| CAS number | 2273-43-0 |
| EC number | 218-880-1 |
| HS code | 2931 90 00 |
| Sensitivity | Not hygroscopic |
Specification
| Appearance | White powder |
| Tin content | 54.80 – 59.50 % |
| Chlorine content | ≤1.00 % |
| Volatility | ≤1.00 % |
Application
Manufacturers primarily use ViaCat 4100 (MBTO) as a catalyst in the production of unsaturated polyester resins, saturated polyester resins, and polyester polyols. It can also be a catalyst in the production of powder coating resins and polymeric plasticizers.
Packaging
Available packaging: 25 KG fiber drums.
Special packaging is available on request.
Storage
Store Monobutyltin Oxide in a cool, dry, and well-ventilated area, ensuring compliance with legal requirements. Furthermore, keep MBTO away from heat sources and oxidizing agents to maintain safety and product integrity.
MSDS
Vesta Chemicals BV provides a Material Safety Data Sheet (MSDS) for ViaCat 4100 (MBTO) and all other products it supplies.
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 | C4H10O2Sn |
| Molecular weight | 208.83 g/mol |
| Smiles notation | C([Sn](O)=O)CCC |
| InChi key | WIHMDCQAEONXND-UHFFFAOYSA-M |
| Chemical formula |  |
Physicochemical information
| Boiling point | >350 °C |
| Density | 1.46 g/cm3 |
| Flash point | 116.00 °C |
| Auto ignition temperature | -510 °C |
| Partition coefficient (log Pow) | 0.20 |
| Solubility in water | Insoluble (< 0.1 mg/l) |
| Vapour pressure | 0.0000013 kPa |