Thiram Seed Treatment Fungicide from Canada
Thiram (tetramethylthiuram disulfide) is an aromatic dithiocarbamate organo-sulfur compound used as a seed protectant and soil fungicide. It qualifies for HTS 2930.90.1000 as a pesticide with sulfur-carbon bonds in its aromatic molecular structure per Chapter 29 notes. Commonly imported for treating corn, wheat, and vegetable seeds.
Duty Rate — Canada → United States
16.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Include seed treatment label claims and EPA product code in import documentation
• Test for heavy metal impurities as they affect organo-inorganic classification under heading 2931
• Declare as technical grade only; formulated seed dressings classify differently