Merchant-Impure Phosphoric Acid for Bulk Fertilizers from Mexico
Lower-purity phosphoric acid (52% P2O5) with elevated green/dyellow impurities, sourced for large-scale fertilizer production like triple superphosphate. Under HTS 2809.20.00.20 as fertilizer grade 'other,' it meets chapter notes for chemically defined phosphoric acid used in agriculture.
Duty Rate — Mexico → United States
10%
Rate breakdown
9903.05.5510%Except for products described in headings 9903.05.85–9903.05.92 and 9903.05.94, articles the product of Mexico, as provided for in U.S. note 52 to this subchapter
Import Tips
• Label as 'Fertilizer Grade Only - Not for Food Use' to prevent misclassification or regulatory holds
• Use UN-approved acid-resistant IBCs; declare gross weight accurately for hazmat fees