</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Tributyltin Oxide from China

Tributyltin oxide is an aromatic organotin compound used as a biocide and antifouling agent in marine paints. It falls under HTS 2931.90.60.00 as an other aromatic organo-inorganic compound where tin is directly linked to carbon atoms. This classification applies to its use in industrial applications beyond simple alkyl halides.

Duty Rate — China → United States

44%

Rate breakdown

9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

Import Tips

Verify REACH and TSCA registration for organotin compounds; provide detailed safety data sheets; ensure proper Hazard Class 6.1 labeling for marine transport