Superphosphoric Acid 105% P2O5 from Canada
High-concentration superphosphoric acid (105% P2O5) used in high-analysis liquid fertilizers and chemical synthesis. Falls under HTS 2809.20.00 as chemically defined polyphosphoric acids.
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
• Distinguish pure acid from fertilizer blends via P2O5 analysis
• Declare agricultural end-use only if ammoniated or blended