Potassium Phosphate Monobasic from Canada
Potassium dihydrogen phosphate (KH2PO4) is used in fertilizers, pharmaceuticals, and as a buffering agent in lab reagents. Classified in HTS 2835.29.51.00 as other phosphates, it's a chemically defined inorganic potassium salt. High purity grades exceed 99%.
Duty Rate — Canada → United States
14.1%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
Import Tips
• Differentiate from fertilizer grades by providing end-use certificates for non-agricultural imports
• Include REACH-like compliance docs if from EU to align with TSCA requirements
• Monitor for deliquescence; use sealed packaging to prevent quality claims