Technical Ammonium Nitrate 99.5% Purity from China
High-purity technical grade ammonium nitrate crystals (99.5% NH4NO3) for chemical synthesis and fertilizer production. Classified under HTS 3102.30.00.00 matching pure ammonium nitrate description in heading 3102(a)(ii).
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)
9903.05.860%Articles provided for in subdivision (b) of U.S. note 52 to this subchapter
Import Tips
• Provide assay certificates from accredited labs confirming minimum purity levels
• Use vented packaging to manage decomposition gases during long-term storage
• Avoid contiguity with chlorates; mixed shipments require separate manifests