Bis(tributyltin) Oxide from United States
Bis(tributyltin) oxide, also known as TBTO, is a separate chemically defined organo-inorganic compound containing two tributyltin groups linked by an oxygen atom. It falls under tariff item 2931.20.00 as a tributyltin compound, consistent with Chapter 29 rules for organo-inorganic compounds.
Duty Rate — United States → Canada
0%
Import Tips
• Ensure the product is clearly identified as bis(tributyltin) oxide on the commercial invoice to facilitate classification under 2931.20.00
• Verify any regulatory restrictions on biocides, as TBTO may be subject to Canadian environmental controls
• Consult the CBSA tariff classification advice service if uncertain about the product's chemical purity