Technical Grade Triammonium Phosphate from China
Technical-grade (NH4)3PO4 powder used in industrial flame retardants for textiles and plastics. Falls precisely under HTS 2835.29.20.00 for triammonium phosphates, as per legal definition excluding other ammonium variants. Chemically defined inorganic compound.
Duty Rate — China → United States
39%
Rate breakdown
9903.05.3112.5%Except for products described in headings 9903.05.85–9903.05.92, articles the product of China, as provided for in U.S. note 52 to this subchapter
9903.88.0325%Except as provided in headings 9903.88.13, 9903.88.18, 9903.88.33, 9903.88.34, 9903.88.35, 9903.88.36, 9903.88.37, 9903.88.38, 9903.88.40, 9903.88.41, 9903.88.43, 9903.88.45, 9903.88.46, 9903.88.48, 9903.88.56, 9903.88.64, 9903.88.66, 9903.88.67, 9903.88.68, or 9903.88.69, articles the product of China, as provided for in U.S. note 20(e) to this subchapter and as provided for in the subheadings enumerated in U.S. note 20(f)
Import Tips
• Submit molecular analysis confirming triammonium structure; customs may test to distinguish from 2835.22 (diammonium)
• Declare end-use in flame retardants if applicable – may qualify for duty exemptions under certain FTAs