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

9903.03.0110%Except for products described in headings 9903.03.02–9903.03.11, articles the product of any country, as provided for in subdivision (aa) of U.S. note 2 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