Tetramethylthiuram Disulfide (TMTD) Fungicide from China
Tetramethylthiuram disulfide (TMTD), commonly known as thiram, is a thiuram compound used as a seed protectant fungicide against seed decay and damping-off diseases. Classified under HTS 2930.90.30.00 as a thiuram pesticide, it inhibits fungal spore germination through multi-site activity. Primarily applied as seed treatment before planting.
Duty Rate — China → United States
41.2%
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
• Provide EPA Establishment Number and product registration; seed treatment formulations require specific residue tolerance data
• Include phytosanitary certificates if imported for agricultural use; avoid residue violations on food crops
• Technical grade TMTD needs 99% purity certification for pesticide classification