Calcium Iodide Tetrahydrate from China
Calcium iodide tetrahydrate (CaI2·4H2O) employed in X-ray contrast media precursors and iodine supplements. Classified in HTS 2827.60.10.00 as calcium iodide meeting chemical definition standards. Hygroscopic crystals requiring sealed packaging.
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%Universal product exemption (U.S. note 52(b))
Import Tips
• Document hydration state precisely; obtain FDA import alert clearance if pharma-destined
• Pitfall: moisture absorption during transit may affect declared purity