Tributyltin Oxide

Tributyltin oxide (TBTO) is a chemically defined organotin compound where three butyl groups and oxygen are bound to tin, falling under HTS 2931.20.00.00 as a tributyltin compound. It is commonly used as a biocide in antifouling paints for marine vessels.

Import Duty Rates by Country of Origin

Origin CountryMFN RateCh.99 SurchargesTotal Effective Rate
🇨🇳China3.7%+35.0%38.7%
🇲🇽Mexico3.7%+10.0%13.7%
🇨🇦Canada3.7%+10.0%13.7%
🇩🇪Germany3.7%+10.0%13.7%
🇯🇵Japan3.7%+10.0%13.7%

Alternative Classifications

This product could be classified differently depending on its characteristics or intended use.

3808.92.50Higher: 40% vs 38.7%

If formulated as pesticide or biocide preparation

Mixtures containing tributyltin compounds as active ingredients are classified under Chapter 38 as pesticides, not pure compounds.

3208.90.00.00Lower: 38.2% vs 38.7%

If when incorporated into paints or varnishes

Antifouling paints with tributyltin oxide fall under Chapter 32 as synthetic paints rather than separate chemical compounds.

Not sure which classification is right?

Our AI classifier can analyze your specific product and recommend the correct HTS code with confidence.

Import Tips & Compliance

Verify compliance with EPA and international restrictions on organotin compounds due to environmental toxicity

Provide Safety Data Sheets (SDS) and confirm proper hazardous material classification for transport

Check for country-specific bans on tributyltin use in marine applications before importing