Calcium Periodate from Mexico
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 — Mexico → United States
13.7%
Rate breakdown
9903.05.5510%Section 301 (forced labor) — additional 10% ad valorem on products of Mexico
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