Tributyltin Oxide from China
Tributyltin oxide, also known as TBTO, is a separate chemically defined organotin compound with three butyl groups and oxygen bound to tin. It is classified under tariff item 2931.20.00 as a tributyltin compound, commonly used as a biocide.
Duty Rate — China → Canada
0%
Import Tips
• Ensure the product is labeled as tributyltin oxide with its CAS number for smooth customs processing
• Be aware that TBTO may be regulated as a biocide under Canadian law, requiring additional documentation
• Contact the CBSA for classification guidance if the product's purity varies