Calcium Periodate from Japan
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 — Japan → United States
12.5%
Rate breakdown
9903.05.4912.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of Japan, with an ad valorem (or ad valorem equivalent) rate of duty under column 1 less than 12.5 percent, as provided for in U.S. note 52 to this subchapter
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