Triphenyl phosphorothioate from Japan
A trisubstituted aromatic thiophosphoric ester used as a flame retardant additive and lubricant extreme pressure agent. Classified under HTS 2920.19.40.00 as an 'other' aromatic phosphorodithioate with three phenyl groups. Meets chapter 29 criteria for separate chemically defined organic phosphorus compounds.
Duty Rate — Japan → United States
16.5%
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
• Verify purity exceeds 98% to qualify as chemically defined compound per chapter notes; include REACH/ TSCA compliance docs; avoid bulk packaging that suggests mixtures under heading 3824