Triammonium Phosphate 99% Pure from Canada
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 — Canada → United States
11.5%
Rate breakdown
9903.05.2910%Section 301 (forced labor) — additional 10% ad valorem on products of Canada
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