Calcium Hydrogenorthophosphate Fertilizer from China
Dicalcium phosphate meeting the 0.2% fluorine threshold, used in animal feed and crop fertilizers. Directly specified in HTS 3103.90.01.00 under note 3(a)(iv) for phosphatic fertilizers.
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
• Dry anhydrous fluorine calculation mandatory; wet basis testing insufficient for classification
• Dual-use documentation if also for animal feed to avoid FDA vs agriculture agency conflicts
• Avoid gypsum admixtures exceeding trace levels to maintain 'other' phosphatic status