Diphosphorus Pentaoxide Anhydride P2O5 from Canada
Diphosphorus pentaoxide (P2O5), also known as phosphorus pentoxide, is a white, deliquescent powder used primarily as a dehydrating and drying agent in chemical synthesis. It reacts with water to form phosphoric acid, making it essential for producing high-purity phosphates and in organic reactions requiring anhydrous conditions. This chemically defined inorganic compound is specifically classified under HTS 2809.10.00.00 as diphosphorus pentaoxide.
Duty Rate — Canada → United States
10%
Rate breakdown
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
• Ensure packaging complies with UN 1807 hazardous material regulations for corrosive solids; include proper MSDS and labeling
• Verify purity certificate to confirm it meets 'chemically defined' criteria per Chapter 28 Note 1, avoiding reclassification