Cyanuric Acid (1,3,5-Triazine-2,4,6-triol) from Canada
Cyanuric acid is a triazine ring compound with three hydroxyl groups, falling under HTS 2933.69.6050 as an unfused triazine derivative. It serves as a stabilizer in chlorine bleach powders and swimming pool chemicals.
Duty Rate — Canada → United States
110%
Rate breakdown
9903.04.6096.5%Except as provided in heading 9903.04.61, patented pharmaceutical articles as provided for in subdivisions (c) and (d) of U.S. note 40 to this subchapter
9903.05.2910%Except for products described in headings 9903.05.85–9903.05.93, articles the product of Canada, as provided for in U.S. note 52 to this subchapter
Import Tips
• Include stabilizer content analysis; purity >98% confirms Chapter 29 classification over mixtures
• Hazardous material declaration required (corrosive solid); DOT shipping papers mandatory
• Avoid importing in consumer-ready bleach formulations to prevent reclassification under Chapter 28 or 38