Triammonium Phosphate 99% Pure from Mexico
99% purity triammonium phosphate for water treatment pH adjustment and corrosion inhibition. Classifies under HTS 2835.29.20.00 per Chapter 28 definitions for inorganic ammonium phosphates. Chemically defined compound.
Duty Rate — Mexico → United States
11.5%
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
• Water treatment end-use declaration helps with EPA registration under TSCA
• Test for orthophosphate content – impurities can shift classification
• Drum packaging standard; verify UN numbering for phosphate salts