Superphosphoric Acid 105% P2O5 from China
High-concentration superphosphoric acid (105% P2O5) used in liquid fertilizers and chemical synthesis. It is a chemically defined polyphosphoric acid, meeting Chapter 28 Note 1(a), and falls under this tariff item.
Duty Rate — China → Canada
0%
Import Tips
• Verify the P2O5 concentration to ensure it exceeds 72.4% (100% H3PO4 equivalent) to be classified as polyphosphoric acid
• Provide a certificate of analysis for fertilizer-grade purity if used in agriculture
• Check if a Canadian Food Inspection Agency (CFIA) permit is needed for fertilizer imports