Wet Process Phosphoric Acid for DAP Fertilizer from Mexico
Wet-process phosphoric acid derived from phosphate rock, containing 52-54% P2O5 with typical impurities like fluorides and sulfates, used primarily in diammonium phosphate (DAP) production. Classified under HTS 2809.20.00.20 as fertilizer grade 'other' due to its specific formulation and lower purity optimized for fertilizer manufacturing rather than technical applications.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
Import Tips
• Declare wet-process origin and impurity profile in entry docs to distinguish from thermal phosphoric acid
• Comply with EPA fertilizer regulations; provide end-use certificates proving agricultural application