</>Build with Tariff Intelligence|Programmatic access to tariff calculations and HS code classification.Explore Developer Resources →

Triammonium Phosphate 99% Pure from Japan

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 — Japan → United States

12.5%

Rate breakdown

9903.05.4912.5%Section 301 (forced labor) — Japan (col1 rate < 12.5 percent): MFN < 12.5% → total duty capped at 12.5%

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