Bis(4-chlorophenyl) phosphorothioate from Canada
Di-chlorinated aromatic thiophosphoric ester used as synthetic intermediate and flame retardant. Classified HTS 2920.19.40.00 as halogenated 'other' aromatic phosphorodithioate. Dual phenyl substitution maintains chemical definition status.
Duty Rate — Canada → 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
• Chlorine substitution requires additional Stockholm Convention documentation; test for dioxin precursors; use HDPE containers with PTFE liners