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Potassium Phosphite from Japan

Potassium phosphite (KH2PO3) serves as a fungicide and plant nutrient in agriculture, promoting plant health. Under HTS 2835.10.00.00 as a phosphonate (phosphite) of potassium, an inorganic base. It is typically supplied as a liquid fertilizer concentrate.

Duty Rate — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

Import Tips

EPA pesticide registration required; provide formulation analysis showing >90% phosphite; distinguish from phosphate fertilizers