Monobutyltin Oxide (MBTO)
Monobutyltin Oxide (MBTO) is a non-corrosive organotin compound, appearing as white or pale yellow powder. Some products have a special odor, are non-hygroscopic, and decompose easily under high temperature conditions. This product is insoluble in water and most organic solvents (such as acetone), but soluble in strong alkalis and acids, with a density of approximately 1.46 g/cm³, a boiling point above 350℃, and a melting point of about 210℃. MBTO is a high-efficiency high-temperature esterification catalyst, widely used in the fields of polyester resin synthesis and plastic processing.
- Polyester Resin Synthesis: Mainly used in the production of saturated polyester resins such as powder coatings, coil (steel) coatings, and insulating varnishes. As a high-efficiency esterification catalyst, it can accelerate the reaction process and improve the quality and performance of resin products.
- Unsaturated Polyester Resin: Used in the synthesis of unsaturated polyester resins to improve the polymerization efficiency and finished product performance of the resin.
- Engineering Plastics Production: Used in the synthesis of PBT engineering resins, as well as the preparation of other esterification and transesterification reaction products, to improve the heat resistance and mechanical properties of products.
- Plastic Processing: Used as a raw material for PVC resin stabilizers to enhance the thermal stability and weather resistance of PVC products; it can also be used as a polyurethane catalyst and organotin intermediate [6].
- Other Fields: Used as a catalyst for electrophoretic electrodeposition coatings and a basic raw material for the preparation of materials related to the field of nonlinear optics.
| Appearance | White powder |
| Purity，% | ≥98 |
| Tin content (Sn), % | 56-57 |
| Density g/cm3 @20℃ | 1.46 |
| Chlorine (Cl) content,% | ≤1.0 |
| Tin content (Sn), % | 56-57 |
| Chlorine (Cl) content,% | ≤1.0 |
25kg/drum or according to customer needs.
Hazard Statement:
H315 Causes skin irritation.
H319 Causes serious eye irritation.
H412 Harmful to quatic life with long lasting effects.
Pictograms
| Signal word | Warning |
| Not regulated as dangerous goods. | |
Precautions for safe handling
Keep containers tightly sealed.
Store in cool,dry place in tightly closed containers.
Ensure good ventilation/exhaustion at the workplace.
Conditions for safe storage, including any incompatibilities
Store away from oxidizing agents. Keep container tightly sealed.
Store in cool, dry conditions in well sealed containers.
Specific end uses
No data available
