Calcium Periodate from China

Calcium periodate (Ca(IO4)2) acts as a disinfectant and oxidizing agent in aquaculture and water purification. It fits HTS 2829.90.61.00 as 'other' periodates of inorganic bases, chemically defined per Chapter notes. Insoluble in water, used in slow-release formulations.

Duty Rate — China → United States

41.2%

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)

9903.05.3112.5%Section 301 (forced labor) — additional 12.5% ad valorem on products of China

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Import Tips

• EPA registration required for antimicrobial claims; submit composition data

• Classify as non-hazardous if stabilized; otherwise UN 3098

• Do not confuse with calcium iodate (2815.90) used in baking