PRODUCT DATA SHEET (TDS)
1. Product Identification
| Item | Details |
| Product Name | Monobutyltin Oxide (MBTO) |
| Chemical Formula | C₄H₁₀O₂Sn / BuSnOOH |
| Molecular Weight | 208.8 g/mol |
| CAS No. | 2273-43-0 |
| Appearance | White powder |
2. Typical Specifications
| Analysis Item | Unit | Specification | Typical Test Result |
| Tin Content (Sn) | % | 56.5 ± 0.5 | 56.3 |
| Chlorine Content (Cl) | % | ≤ 1.0 | 0.7 |
| Volatility (Loss on Drying) | % | ≤ 1.0 | 0.7 |
3. Physical & Chemical Properties
| Item | Details |
| Appearance | White powder |
| Melting Point | Decomposes at high temperature (no melting) |
| Solubility | Insoluble in water and most organic solvents; soluble only in strong alkalis and mineral acids |
| Stability | Stable under normal conditions |
4. Applications
- Catalyst for the synthesis of saturated polyester resins
- Catalyst for the production of unsaturated polyester resins
- Used in the manufacturing of polymer plasticizers
5. Packaging
- Packaging Type: 25 kg fiber drums
- Handling Notes: Keep containers sealed; store in a dry, well-ventilated area
6. Storage
- Store in a cool, dry, and well-ventilated warehouse
- Protect from moisture and incompatible materials (strong acids, strong bases, oxidizers)
- Shelf Life: 12 months under proper storage conditions
7. Safety & Handling
- Hazard Classification: Irritant to skin, eyes, and respiratory tract; avoid dust inhalation
- Recommended PPE: Safety goggles, gloves, and dust masks when handling
- Use in well-ventilated areas to avoid dust accumulation
- For complete safety instructions, refer to the product SDS (Safety Data Sheet)
8. Test Methods
- Tin Content: Titration / ICP-OES
- Chlorine Content: Titration / Ion Chromatography
- Volatility (Loss on Drying): Gravimetric method
- Appearance: Visual inspection
