Monoammonium Phosphate (MAP) Bulk from China
MAP fertilizer provides 11% nitrogen and 52% P2O5 in granular form for starter fertilizers. It falls under HTS 3103.90.01.00 as an 'other' chemical phosphatic fertilizer meeting Chapter 31 note 3(a)(iv) criteria for phosphorus content.
Duty Rate — China → United States
25%
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)
9903.03.030%Articles the product of any country, as provided for in subdivision (aa)(ii) of U.S. note 2 to this subchapter
Import Tips
• MAP requires lower pH tolerance documentation; specify soil application rates in technical data sheets
• Use covered railcars or ventilated containers to maintain granule integrity against humidity
• Fluorine content testing mandatory if over 0.2%; retain independent lab certificates