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Tetramethylthiuram Disulfide (TMTD) Fungicide from Mexico

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 — Mexico → United States

13.7%

Rate breakdown

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 to this subchapter

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